1. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 11 Introduction to UH-60 INTRODUCTION to UH-60 CW5 Victor Figliuolo Ops-O / AASF1-NY SP / AASF1-NY SP/ 42 nd CAB References TM 1-1520-237-10 / CL Fort Rucker Handout INTRODUCTION to UH-60 CW5 Victor Figliuolo Ops-O / AASF1-NY SP / AASF1-NY SP/ 42 nd CAB References TM 1-1520-237-10 / CL Fort Rucker Handout

2. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 22 Introduction to UH-60 OUTLINE 1.Identify the characteristics of the UH-60 Blackhawk Helicopter 2.Identify the UH-60 Fuselage Section Special Features 3.Identify the UH-60 Cockpit Special Features 4.Identify the operational characteristics of the UH-60 Power Train System 5.Identify the operational characteristics of the UH-60 Landing Gear System OUTLINE 1.Identify the characteristics of the UH-60 Blackhawk Helicopter 2.Identify the UH-60 Fuselage Section Special Features 3.Identify the UH-60 Cockpit Special Features 4.Identify the operational characteristics of the UH-60 Power Train System 5.Identify the operational characteristics of the UH-60 Landing Gear System

3. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 33 Introduction to UH-60 TERMINAL LEARNING OBJECTIVE: Identify major components / characteristics of the UH-60 Blackhawk Helicopter TERMINAL LEARNING OBJECTIVE: Identify major components / characteristics of the UH-60 Blackhawk Helicopter

4. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 44 Introduction to UH-60 LEARNING STEP 1: Identify the characteristics of the UH-60 Blackhawk Helicopter Army rotary-wing aircraft model designation: UH-60A+/L Designer and model designation: Sikorsky, S-70 Number and kind of engines: two; General Electric Company Model T700-GE-701D Turbo shaft Fully articulated, four-bladed, main rotor head; rigid crossbeam, canted tail rotor-- two blades, four paddles Non-retractable landing gear consists of two main gear assemblies and a tail wheel assembly LEARNING STEP 1: Identify the characteristics of the UH-60 Blackhawk Helicopter Army rotary-wing aircraft model designation: UH-60A+/L Designer and model designation: Sikorsky, S-70 Number and kind of engines: two; General Electric Company Model T700-GE-701D Turbo shaft Fully articulated, four-bladed, main rotor head; rigid crossbeam, canted tail rotor-- two blades, four paddles Non-retractable landing gear consists of two main gear assemblies and a tail wheel assembly

5. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 55 Introduction to UH-60 LEARNING STEP 1: Identify the characteristics of the UH-60 Blackhawk Helicopter Crew required Minimum--pilot - copilot Normal Pilot--right side of cockpit Copilot--left side of cockpit Crew chief/gunner--right side forward of cabin LEARNING STEP 1: Identify the characteristics of the UH-60 Blackhawk Helicopter Crew required Minimum--pilot - copilot Normal Pilot--right side of cockpit Copilot--left side of cockpit Crew chief/gunner--right side forward of cabin

6. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 66 Introduction to UH-60 LEARNING STEP 1: Identify the characteristics of the UH-60 Blackhawk Helicopter Mission Troop assault Aero-medical evacuation Aerial recovery Internal and external cargo LEARNING STEP 1: Identify the characteristics of the UH-60 Blackhawk Helicopter Mission Troop assault Aero-medical evacuation Aerial recovery Internal and external cargo

7. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 77 Introduction to UH-60 LEARNING STEP 1: Identify the characteristics of the UH-60 Blackhawk Helicopter Aircraft weights Empty--approximately 11,000 pounds Design weight--16,825 pounds Maximum gross weight--22,000 pounds (modified) Fuel load--approximately 360 gallons, two main tanks full (180 gallons each tank) LEARNING STEP 1: Identify the characteristics of the UH-60 Blackhawk Helicopter Aircraft weights Empty--approximately 11,000 pounds Design weight--16,825 pounds Maximum gross weight--22,000 pounds (modified) Fuel load--approximately 360 gallons, two main tanks full (180 gallons each tank)

8. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 88 Introduction to UH-60 LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features

9. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 99 Introduction to UH-60 LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Primary Structure - The primary structure is aluminum alloy. Some titanium and steel are used for firewalls and various fittings. Nonstructural members are primarily made of reinforced plastic The fuselage may be broken down into the following sections: Nose section, Mid fuselage, Aft fuselage or transition section, Tail cone, Tail Rotor Pylon, Main Rotor Pylon LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Primary Structure - The primary structure is aluminum alloy. Some titanium and steel are used for firewalls and various fittings. Nonstructural members are primarily made of reinforced plastic The fuselage may be broken down into the following sections: Nose section, Mid fuselage, Aft fuselage or transition section, Tail cone, Tail Rotor Pylon, Main Rotor Pylon

10. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 10 Introduction to UH-60

11. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 11 Introduction to UH-60 LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Nose or cockpit section Cockpit canopy, a kevlar reinforced plastic and aluminum structure Pilots and copilots windshields. Shatter resistant and scratchproof glass Electrically heated for defogging and anti-icing Center windshield- laminated glass, electrically anti-iced LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Nose or cockpit section Cockpit canopy, a kevlar reinforced plastic and aluminum structure Pilots and copilots windshields. Shatter resistant and scratchproof glass Electrically heated for defogging and anti-icing Center windshield- laminated glass, electrically anti-iced

12. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 12 Introduction to UH-60 LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Nose or cockpit section Pilots and copilots cockpit doors - Aluminum, hinged, and capable of being jettisoned in an emergency - Contains either a fixed slide-open, or push open vent. The doors that have the push open vent window are designed so the pilot can pull the entire window into the cockpit for egress Avionics Compartment Avionics compartment door hinges up from bottom Held open in two positions by support strut LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Nose or cockpit section Pilots and copilots cockpit doors - Aluminum, hinged, and capable of being jettisoned in an emergency - Contains either a fixed slide-open, or push open vent. The doors that have the push open vent window are designed so the pilot can pull the entire window into the cockpit for egress Avionics Compartment Avionics compartment door hinges up from bottom Held open in two positions by support strut

13. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 13 Introduction to UH-60 LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Cabin / Mid Fuselage Includes crew chief/gunner stations and the troop-cargo compartment Two outward facing seats are for the crew chief/gunners. Crew chief/gunner stations may have machine guns installed Provisions for a maximum of 12 troop seats. Provisions for MEDEVAC pedestal with a capacity of four to six litter patients LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Cabin / Mid Fuselage Includes crew chief/gunner stations and the troop-cargo compartment Two outward facing seats are for the crew chief/gunners. Crew chief/gunner stations may have machine guns installed Provisions for a maximum of 12 troop seats. Provisions for MEDEVAC pedestal with a capacity of four to six litter patients

14. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 14 Introduction to UH-60 LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features

15. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 15 Introduction to UH-60 LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Cabin / Mid Fuselage Forward sliding crewchief/gunners window incorporates a nonflammable, stretchplex window split vertically into two panels Defogged by heater outlet air directed from outer duct assembly onto window. Sliding cargo doors on each side that cannot be jettisoned Cargo door windows are jettisonable for use as for emergency exits. Moving the EMERGENCY EXIT handle aft, releases both windows. It may be necessary to push windows free LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Cabin / Mid Fuselage Forward sliding crewchief/gunners window incorporates a nonflammable, stretchplex window split vertically into two panels Defogged by heater outlet air directed from outer duct assembly onto window. Sliding cargo doors on each side that cannot be jettisoned Cargo door windows are jettisonable for use as for emergency exits. Moving the EMERGENCY EXIT handle aft, releases both windows. It may be necessary to push windows free

16. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 16 Introduction to UH-60 LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Cabin / Mid Fuselage Emergency Equipment consists of: - Three first aid kits - Two hand held (portable) fire extinguishers -Crash axe in cabin The pilot and copilot flight controls are routed up each side of cabin The main landing gear struts are mounted on each side of the helicopter, just aft of the crewchief/gunners windows LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Cabin / Mid Fuselage Emergency Equipment consists of: - Three first aid kits - Two hand held (portable) fire extinguishers -Crash axe in cabin The pilot and copilot flight controls are routed up each side of cabin The main landing gear struts are mounted on each side of the helicopter, just aft of the crewchief/gunners windows

17. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 17 Introduction to UH-60 LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Cabin / Mid Fuselage Electrical junction boxes and relay panels located in cabin ceiling Either a 9.5 Amp Hour Sealed Lead Acid Battery (SLAB) or a 5.5 Amp Hour Nickel Cadmium (NICAD) battery is located in forward cabin, left-hand side, aft of copilots seat Cargo floor upper skin, cross-ply, unidirectional fiberglass; core is Nomex; bottom skin is woven fiberglass. Deck load limit is 300 pounds per square foot. Cargo hook--8,000 pounds capacity Two pitot tubes LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Cabin / Mid Fuselage Electrical junction boxes and relay panels located in cabin ceiling Either a 9.5 Amp Hour Sealed Lead Acid Battery (SLAB) or a 5.5 Amp Hour Nickel Cadmium (NICAD) battery is located in forward cabin, left-hand side, aft of copilots seat Cargo floor upper skin, cross-ply, unidirectional fiberglass; core is Nomex; bottom skin is woven fiberglass. Deck load limit is 300 pounds per square foot. Cargo hook--8,000 pounds capacity Two pitot tubes

18. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 18 Introduction to UH-60 LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Aft Fuselage / Aft Transition Section Two main fuel tanks #1 on left and #2 on right Two equipment compartments located above fuel tanks, 20 by 20 by 40 inches, separated by fuel tanks enclosure, maximum capacity is 125 pounds each side. Cargo net restraints are available to restrain equipment LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Aft Fuselage / Aft Transition Section Two main fuel tanks #1 on left and #2 on right Two equipment compartments located above fuel tanks, 20 by 20 by 40 inches, separated by fuel tanks enclosure, maximum capacity is 125 pounds each side. Cargo net restraints are available to restrain equipment

19. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 19 Introduction to UH-60 LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Aft Fuselage / Aft Transition Section Auxiliary Power Unit (APU) Hydraulic Accumulator or Accumulators Used to start the APU using hydraulic pressure Normally automatically re-pressurized by the backup hydraulic pump The hand pump is used to manually re-pressurize the APU accumulator if it is below minimum required pressure for APU start or if the APU fails to start LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Aft Fuselage / Aft Transition Section Auxiliary Power Unit (APU) Hydraulic Accumulator or Accumulators Used to start the APU using hydraulic pressure Normally automatically re-pressurized by the backup hydraulic pump The hand pump is used to manually re-pressurize the APU accumulator if it is below minimum required pressure for APU start or if the APU fails to start

20. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 20 Introduction to UH-60 LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features

21. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 21 Introduction to UH-60 LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Aft Fuselage / Aft Transition Section Steps on outside provide access to engines and APU above on left and right sides of aircraft LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Aft Fuselage / Aft Transition Section Steps on outside provide access to engines and APU above on left and right sides of aircraft

22. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 22 Introduction to UH-60 LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Tail Cone The tail cone, interconnecting the transition section and tail rotor pylon (station 644.62), supports the tail rotor drive shaft and tail pylon Access panels allow inspection of tail landing gear attachments, pylon attachment bolts, tail rotor flight control cables and hydraulic lines, and tail landing gear Tail rotor drive shafts mounted on top under hinged drives shaft covers LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Tail Cone The tail cone, interconnecting the transition section and tail rotor pylon (station 644.62), supports the tail rotor drive shaft and tail pylon Access panels allow inspection of tail landing gear attachments, pylon attachment bolts, tail rotor flight control cables and hydraulic lines, and tail landing gear Tail rotor drive shafts mounted on top under hinged drives shaft covers

23. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 23 Introduction to UH-60 LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Tail Rotor Pylon The tail pylon is supported by and hinged to the tail cone section which allows folding of the pylon to the right for air transport - The hinges are not critical structural members, because the tail pylon is secured to the tail cone in the flight position through the use of four bolts - Eight close-tolerance bushings on the tail pylon hinge align with eight tapered pins in the tail cone hinge to ensure proper alignment LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Tail Rotor Pylon The tail pylon is supported by and hinged to the tail cone section which allows folding of the pylon to the right for air transport - The hinges are not critical structural members, because the tail pylon is secured to the tail cone in the flight position through the use of four bolts - Eight close-tolerance bushings on the tail pylon hinge align with eight tapered pins in the tail cone hinge to ensure proper alignment

24. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 24 Introduction to UH-60 LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Tail Rotor Pylon Provides mounting points for the intermediate gearbox, the connecting drive shaft, the tail gearbox, the tail rotor assembly, the stabilator, and the dual electrical stabilator actuators The drive shaft cover has a VHF/FM antenna built in to provide communications, this cover, opens to provide access to the tail drive shaft Removable fairings on the pylon are provided for access to the intermediate and tail gear boxes, and tail rotor flight controls LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Tail Rotor Pylon Provides mounting points for the intermediate gearbox, the connecting drive shaft, the tail gearbox, the tail rotor assembly, the stabilator, and the dual electrical stabilator actuators The drive shaft cover has a VHF/FM antenna built in to provide communications, this cover, opens to provide access to the tail drive shaft Removable fairings on the pylon are provided for access to the intermediate and tail gear boxes, and tail rotor flight controls

25. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 25 Introduction to UH-60 LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Tail Rotor Pylon The trailing edge of the pylon has an aerodynamically shaped fairing, with a 7 degree camber to help unload tail rotor in forward flight Retractable telescoping steps / hand-holds allow easy access to the tail rotor area. Accessed by pushing and rotating the cap 90 degrees counterclockwise, releasing the spring loaded tread, allowing the tread to extend LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Tail Rotor Pylon The trailing edge of the pylon has an aerodynamically shaped fairing, with a 7 degree camber to help unload tail rotor in forward flight Retractable telescoping steps / hand-holds allow easy access to the tail rotor area. Accessed by pushing and rotating the cap 90 degrees counterclockwise, releasing the spring loaded tread, allowing the tread to extend

26. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 26 Introduction to UH-60 LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Tail Rotor Pylon The helicopter has a variable angle of incidence stabilator to enhance handling qualities Level trim Optimum attitude for flight LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Tail Rotor Pylon The helicopter has a variable angle of incidence stabilator to enhance handling qualities Level trim Optimum attitude for flight

27. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 27 Introduction to UH-60 LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Main Rotor Pylon LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Main Rotor Pylon

28. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 28 Introduction to UH-60 LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Main Rotor Pylon Covers area forward and around main gearbox. Front area of main rotor pylon slides forward on two tracks; gives access to servos, mixing unit, heater, hydraulic pumps, and various other hydraulic components. Allow smooth airflow induction for cooling aircraft major subsystem components Steps and walkways aid in inspection and maintenance of the helicopter. Opening the engine doors and sliding the forward fairing forward reveals additional designated walkways/steps. Designated STEP AREAS have a non skid coating applied LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Main Rotor Pylon Covers area forward and around main gearbox. Front area of main rotor pylon slides forward on two tracks; gives access to servos, mixing unit, heater, hydraulic pumps, and various other hydraulic components. Allow smooth airflow induction for cooling aircraft major subsystem components Steps and walkways aid in inspection and maintenance of the helicopter. Opening the engine doors and sliding the forward fairing forward reveals additional designated walkways/steps. Designated STEP AREAS have a non skid coating applied

29. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 29 Introduction to UH-60 LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Main Rotor Pylon Various types of latches are used to secure fairings, cowlings, and doors Aft Main Rotor Pylon fairings hinge open to give access to APU, transmission oil cooler, two engine fire extinguisher containers/bottles, and the fuel selector valves Oil Cooler. The oil cooler access panels open to allow inspection of various fuel lines, piping, valves and oil cooler and blower LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Main Rotor Pylon Various types of latches are used to secure fairings, cowlings, and doors Aft Main Rotor Pylon fairings hinge open to give access to APU, transmission oil cooler, two engine fire extinguisher containers/bottles, and the fuel selector valves Oil Cooler. The oil cooler access panels open to allow inspection of various fuel lines, piping, valves and oil cooler and blower

30. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 30 Introduction to UH-60 LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Main Rotor Pylon Auxiliary Power Unit (APU) is aft and left of main gearbox Provides pneumatic power for main engine starting and cabin heating Electrical power for ground operations and in-flight emergency electrical power LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Main Rotor Pylon Auxiliary Power Unit (APU) is aft and left of main gearbox Provides pneumatic power for main engine starting and cabin heating Electrical power for ground operations and in-flight emergency electrical power

31. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 31 Introduction to UH-60 LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Main Rotor Pylon Onboard Fire Extinguishing System Controlled by either the pilot or copilot Both bottles/containers may be used in either main engine or APU compartment Thermal discharge indicator on the right side of aft fuselage will rupture, indicating that one or both containers experienced a thermal discharge LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Main Rotor Pylon Onboard Fire Extinguishing System Controlled by either the pilot or copilot Both bottles/containers may be used in either main engine or APU compartment Thermal discharge indicator on the right side of aft fuselage will rupture, indicating that one or both containers experienced a thermal discharge

32. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 32 Introduction to UH-60 LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Main Rotor Pylon Onboard Fire Extinguishing System LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Main Rotor Pylon Onboard Fire Extinguishing System

33. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 33 Introduction to UH-60 LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Main Rotor Pylon Sliding Access Cover slides forward on two tracks; gives access to servos, mixing unit, heating system, hydraulic pumps, flight controls, main AC generators, and various other hydraulic components Heater Mixing Unit is located on the forward right side, under the sliding main rotor pylon. The heater mixing unit is used to heat the cockpit and cabin and is operated by bleed air from the main engines, APU, or external source LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Main Rotor Pylon Sliding Access Cover slides forward on two tracks; gives access to servos, mixing unit, heating system, hydraulic pumps, flight controls, main AC generators, and various other hydraulic components Heater Mixing Unit is located on the forward right side, under the sliding main rotor pylon. The heater mixing unit is used to heat the cockpit and cabin and is operated by bleed air from the main engines, APU, or external source

34. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 34 Introduction to UH-60 LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Main Rotor Pylon Engine Cowling/Work Platform The engine compartment doors hinge open, and provide a flat surface for maintenance use and inspection Capable of supporting a static weight of 250 pounds LEARNING STEP 2: Identify the UH-60 Fuselage Section Special Features Main Rotor Pylon Engine Cowling/Work Platform The engine compartment doors hinge open, and provide a flat surface for maintenance use and inspection Capable of supporting a static weight of 250 pounds

35. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 35 Introduction to UH-60 LEARNING STEP 3: Identify the UH-60 Cockpit Special Features A full set of flight controls for both pilot and co pilot Energy Absorbing (EA) Pilot Seats are ballistic tolerant against 7.62 mm rounds WARNING: Do not store any items below seats. Seats stroke downward during a crash and any obstruction will increase the probability and severity of injury. To prevent injury to personnel, do not release either the normal or emergency vertical adjust levers unless someone is sitting in the seat. The extension springs are under load at all times. With seat at lowest position, the vertical preload on the seat could be as high as 150 pounds. If no one is in the seat and vertical adjust lever (s) is released, the seat will be snapped to the highest stop. Anyone leaning over the seat or with hands on guide tubes above linear bearings, will be seriously injured. LEARNING STEP 3: Identify the UH-60 Cockpit Special Features A full set of flight controls for both pilot and co pilot Energy Absorbing (EA) Pilot Seats are ballistic tolerant against 7.62 mm rounds WARNING: Do not store any items below seats. Seats stroke downward during a crash and any obstruction will increase the probability and severity of injury. To prevent injury to personnel, do not release either the normal or emergency vertical adjust levers unless someone is sitting in the seat. The extension springs are under load at all times. With seat at lowest position, the vertical preload on the seat could be as high as 150 pounds. If no one is in the seat and vertical adjust lever (s) is released, the seat will be snapped to the highest stop. Anyone leaning over the seat or with hands on guide tubes above linear bearings, will be seriously injured.

36. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 36 Introduction to UH-60 LEARNING STEP 3: Identify the UH-60 Cockpit Special Features Energy Absorbing (EA) Pilot Seats NOTE: The seats energy attenuators allow the seat to move vertically about 12 inches at between 14 and 19 Gs. Emergency Vertical Release Levers allows crewmember to lower the seat to its lowest position Emergency Tilt Release Levers allows crewmember to tilt seat aft to remove a disabled pilot Horizontal and vertical adjustment levers allow seat adjustment of approximately 5 inches Armored wing slides forward on outboard side LEARNING STEP 3: Identify the UH-60 Cockpit Special Features Energy Absorbing (EA) Pilot Seats NOTE: The seats energy attenuators allow the seat to move vertically about 12 inches at between 14 and 19 Gs. Emergency Vertical Release Levers allows crewmember to lower the seat to its lowest position Emergency Tilt Release Levers allows crewmember to tilt seat aft to remove a disabled pilot Horizontal and vertical adjustment levers allow seat adjustment of approximately 5 inches Armored wing slides forward on outboard side

37. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 37 Introduction to UH-60 LEARNING STEP 3: Identify the UH-60 Cockpit Special Features The NO. 1 AC Primary and DC circuit breaker panels are located over the copilot's head; the NO. 2 AC Primary, AC Essential and NO. 2 DC Primary circuit breaker panels are located over the pilot's head The Battery Bus circuit breaker panel is located on the lower center console on the aft left hand side The DC Essential Bus circuit breaker panels are located on the rear of the upper overhead center console LEARNING STEP 3: Identify the UH-60 Cockpit Special Features The NO. 1 AC Primary and DC circuit breaker panels are located over the copilot's head; the NO. 2 AC Primary, AC Essential and NO. 2 DC Primary circuit breaker panels are located over the pilot's head The Battery Bus circuit breaker panel is located on the lower center console on the aft left hand side The DC Essential Bus circuit breaker panels are located on the rear of the upper overhead center console

38. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 38 Introduction to UH-60 LEARNING STEP 3: Identify the UH-60 Cockpit Special Features Instrument Panel. Engine and dual flight instruments are located on the one-piece instrument panel tilted forward 30°. Pilot and copilot instruments on outboard panels with identical layout. Non flight instrument display on center panel Caution Advisory Panel just to the left of center with 82 indicator capsules. Cautions lights are amber, advisory lights are green Master Warning Panels one in front of each pilot on the glare shield contain the following capsules labeled: MASTER CAUTION PRESS TO RESET (amber), #1 ENG OUT, #2 ENG OUT, FIRE, and LOW ROTOR RPM LEARNING STEP 3: Identify the UH-60 Cockpit Special Features Instrument Panel. Engine and dual flight instruments are located on the one-piece instrument panel tilted forward 30°. Pilot and copilot instruments on outboard panels with identical layout. Non flight instrument display on center panel Caution Advisory Panel just to the left of center with 82 indicator capsules. Cautions lights are amber, advisory lights are green Master Warning Panels one in front of each pilot on the glare shield contain the following capsules labeled: MASTER CAUTION PRESS TO RESET (amber), #1 ENG OUT, #2 ENG OUT, FIRE, and LOW ROTOR RPM

39. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 39 Introduction to UH-60 LEARNING STEP 3: Identify the UH-60 Cockpit Special Features Vertical Instrument Display System (VIDS) consists of a vertical strip Central Display Unit (CDU), two vertical strip Pilot Display Units (PDU), and two Signal Data Converters (SDC) (PDUs) for both pilots displays the engine power turbine speed (% RPM 1 and 2), rotor speed (% RPM R), and torque (% TRQ 1 and 2). When the TEST switch is pressed, all PDU scale lamps should light and digital readouts should display 188. Three overspeed lights at the top will appear from left to right when a corresponding rotor speed of 127%, 137%, and 142% is reached LEARNING STEP 3: Identify the UH-60 Cockpit Special Features Vertical Instrument Display System (VIDS) consists of a vertical strip Central Display Unit (CDU), two vertical strip Pilot Display Units (PDU), and two Signal Data Converters (SDC) (PDUs) for both pilots displays the engine power turbine speed (% RPM 1 and 2), rotor speed (% RPM R), and torque (% TRQ 1 and 2). When the TEST switch is pressed, all PDU scale lamps should light and digital readouts should display 188. Three overspeed lights at the top will appear from left to right when a corresponding rotor speed of 127%, 137%, and 142% is reached

40. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 40 Introduction to UH-60 LEARNING STEP 3: Identify the UH-60 Cockpit Special Features The (CDU) contains instruments that display fuel quantity, transmission oil temperature and pressure, engine oil temperatures and pressures, turbine gas temperature (TGT), and gas generator speed (Ng) readings. When the Lamp Test Switch is pressed all CDU scale lamps should illuminate and the digital readouts should display 888 LEARNING STEP 3: Identify the UH-60 Cockpit Special Features The (CDU) contains instruments that display fuel quantity, transmission oil temperature and pressure, engine oil temperatures and pressures, turbine gas temperature (TGT), and gas generator speed (Ng) readings. When the Lamp Test Switch is pressed all CDU scale lamps should illuminate and the digital readouts should display 888

41. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 41 Introduction to UH-60 LEARNING STEP 3: Identify the UH-60 Cockpit Special Features The (CDU): Digital readouts are also installed on the TOTAL FUEL, TGT, and Ng indicators The No. 1 and No. 2 fuel quantity is displayed on the analog scales and the total fuel is displayed on a digital readout The CDU and PDUs contain photocells that automatically adjust the lighting of the indicators with respect to ambient light LEARNING STEP 3: Identify the UH-60 Cockpit Special Features The (CDU): Digital readouts are also installed on the TOTAL FUEL, TGT, and Ng indicators The No. 1 and No. 2 fuel quantity is displayed on the analog scales and the total fuel is displayed on a digital readout The CDU and PDUs contain photocells that automatically adjust the lighting of the indicators with respect to ambient light

42. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 42 Introduction to UH-60 LEARNING STEP 3: Identify the UH-60 Cockpit Special Features The (CDU): A failure of any SDC or CDU processing circuit, display driver module, or logic power supply, will cause the associated display channel to turn off or switch to the backup processor, and will light the associated CHANNEL failure light Failure of the lamp power supply within a SDC, will cause every second display light on the CDU to go off. If a digital processor fails, all digital displays will go off LEARNING STEP 3: Identify the UH-60 Cockpit Special Features The (CDU): A failure of any SDC or CDU processing circuit, display driver module, or logic power supply, will cause the associated display channel to turn off or switch to the backup processor, and will light the associated CHANNEL failure light Failure of the lamp power supply within a SDC, will cause every second display light on the CDU to go off. If a digital processor fails, all digital displays will go off

43. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 43 Introduction to UH-60 LEARNING STEP 3: Identify the UH-60 Cockpit Special Features

44. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 44 Introduction to UH-60 LEARNING STEP 3: Identify the UH-60 Cockpit Special Features The Upper Console, overhead between pilot and copilot, contains engine controls, fire emergency controls, heater and windshield wiper controls, internal and external light controls, electrical systems, and miscellaneous helicopter system controls The Lower Console, next to the base of the instrument panel and extending through the cockpit between the pilot and copilot, is easily reached by either pilot. The console is arranged with communication panels, navigational panels, and flight attitude/stability controls LEARNING STEP 3: Identify the UH-60 Cockpit Special Features The Upper Console, overhead between pilot and copilot, contains engine controls, fire emergency controls, heater and windshield wiper controls, internal and external light controls, electrical systems, and miscellaneous helicopter system controls The Lower Console, next to the base of the instrument panel and extending through the cockpit between the pilot and copilot, is easily reached by either pilot. The console is arranged with communication panels, navigational panels, and flight attitude/stability controls

45. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 45 Introduction to UH-60 LEARNING STEP 3: Identify the UH-60 Cockpit Special Features Miscellaneous Switch Panel consists of three push-button switches marked FUEL IND TEST, TAIL WHEEL, and GYRO ERECT, and one toggle switch marked TAIL SERVO/NORMAL/BACKUP LEARNING STEP 3: Identify the UH-60 Cockpit Special Features Miscellaneous Switch Panel consists of three push-button switches marked FUEL IND TEST, TAIL WHEEL, and GYRO ERECT, and one toggle switch marked TAIL SERVO/NORMAL/BACKUP

46. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 46 Introduction to UH-60 LEARNING STEP 3: Identify the UH-60 Cockpit Special Features The FUEL IND TEST SWITCH, when pressed in and held, causes digital readout and strip indicators to change and caution lights to flash, to test the fuel quantity indicating system The TAIL WHEEL switch unlocks and locks the TAIL WHEEL in a trail position, and indicates LOCK or UNLK The GYRO ERECT initiates a higher voltage to the attitude indicating system's vertical gyros TAIL SERVO NORMAL/BACKUP Switch allows selection of #1 or #2 tail rotor servo LEARNING STEP 3: Identify the UH-60 Cockpit Special Features The FUEL IND TEST SWITCH, when pressed in and held, causes digital readout and strip indicators to change and caution lights to flash, to test the fuel quantity indicating system The TAIL WHEEL switch unlocks and locks the TAIL WHEEL in a trail position, and indicates LOCK or UNLK The GYRO ERECT initiates a higher voltage to the attitude indicating system's vertical gyros TAIL SERVO NORMAL/BACKUP Switch allows selection of #1 or #2 tail rotor servo

47. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 47 Introduction to UH-60 LEARNING STEP 3: Identify the UH-60 Cockpit Special Features Stabilator/Automatic Flight Control Panel The panel contains a MAN SLEW switch, a TEST button, and AUTO CONTROL RESET switch with a push-to-reset feature. The automatic flight control portion of the panel controls the Automatic Flight Control System(AFCS) which enhances the stability and handling qualities of the helicopter. LEARNING STEP 3: Identify the UH-60 Cockpit Special Features Stabilator/Automatic Flight Control Panel The panel contains a MAN SLEW switch, a TEST button, and AUTO CONTROL RESET switch with a push-to-reset feature. The automatic flight control portion of the panel controls the Automatic Flight Control System(AFCS) which enhances the stability and handling qualities of the helicopter.

48. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 48 Introduction to UH-60 LEARNING STEP 4: Identify the operational characteristics of the UH-60 Power Train System The UH-60 employs two General Electric T700-GE-700 Turbo Shaft engines with an input drive shaft that is approximately 18 inches long and connects the engines power turbine output to the input module on main gearbox The engine is divided into four modules: cold section, hot section, power turbine section, and accessory section LEARNING STEP 4: Identify the operational characteristics of the UH-60 Power Train System The UH-60 employs two General Electric T700-GE-700 Turbo Shaft engines with an input drive shaft that is approximately 18 inches long and connects the engines power turbine output to the input module on main gearbox The engine is divided into four modules: cold section, hot section, power turbine section, and accessory section

49. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 49 Introduction to UH-60 LEARNING STEP 4: Identify the operational characteristics of the UH-60 Power Train System The main transmission is mounted on top of the cabin between the two engines The main transmission assembly consists of five modules - The Main Module - Two Input Modules - Two Accessory Modules (drives the following accessories): The No. 1 & 2 Hydraulic Pump Modules The No. 1 & 2 AC Generators LEARNING STEP 4: Identify the operational characteristics of the UH-60 Power Train System The main transmission is mounted on top of the cabin between the two engines The main transmission assembly consists of five modules - The Main Module - Two Input Modules - Two Accessory Modules (drives the following accessories): The No. 1 & 2 Hydraulic Pump Modules The No. 1 & 2 AC Generators

50. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 50 Introduction to UH-60 LEARNING STEP 4: Identify the operational characteristics of the UH-60 Power Train System Intermediate gearbox is bolted to top of pylon, changes angle of drive, and reduces RPM The tail gear box mounts the tail rotor and enables pitch changes of tail rotor blades, changes angle of drive and gives a gear reduction LEARNING STEP 4: Identify the operational characteristics of the UH-60 Power Train System Intermediate gearbox is bolted to top of pylon, changes angle of drive, and reduces RPM The tail gear box mounts the tail rotor and enables pitch changes of tail rotor blades, changes angle of drive and gives a gear reduction

51. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 51 Introduction to UH-60 LEARNING STEP 4: Identify the operational characteristics of the UH-60 Power Train System

52. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 52 Introduction to UH-60 LEARNING STEP 4: Identify the operational characteristics of the UH-60 Power Train System Two independent hydraulic systems and a backup hydraulic system. Backup hydraulic pump is mounted to and driven by an AC electric motor The automatic flight control system (AFCS) enhances the stability and handling qualities of the helicopter The UH60 employs a fully articulated main rotor head The main rotor hub is machined from titanium forging Four, non-lubricated, elastomeric, spindle module assemblies allow hunting, flapping, and pitch change of the four main blades LEARNING STEP 4: Identify the operational characteristics of the UH-60 Power Train System Two independent hydraulic systems and a backup hydraulic system. Backup hydraulic pump is mounted to and driven by an AC electric motor The automatic flight control system (AFCS) enhances the stability and handling qualities of the helicopter The UH60 employs a fully articulated main rotor head The main rotor hub is machined from titanium forging Four, non-lubricated, elastomeric, spindle module assemblies allow hunting, flapping, and pitch change of the four main blades

53. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 53 Introduction to UH-60 LEARNING STEP 4: Identify the operational characteristics of the UH-60 Power Train System Tail rotor (XBR) Crossbeam Rotor The two blade spars bolted together at their centers make an assembly of four ridged paddles The counterclockwise rotating tail rotor, canted 20º upward provides approximately 2.5% lift of gross weight, and allows for: - Shorter nose - Aft CG capability - Low profile - Greater hover and low speed flight stability LEARNING STEP 4: Identify the operational characteristics of the UH-60 Power Train System Tail rotor (XBR) Crossbeam Rotor The two blade spars bolted together at their centers make an assembly of four ridged paddles The counterclockwise rotating tail rotor, canted 20º upward provides approximately 2.5% lift of gross weight, and allows for: - Shorter nose - Aft CG capability - Low profile - Greater hover and low speed flight stability

54. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 54 Introduction to UH-60 LEARNING STEP 5: Identify the operational characteristics of the UH-60 Landing Gear System The helicopter has conventional, non-retractable landing gear system, consisting of two main gear assemblies and a tail wheel assembly The interchangeable drag beams, attaches to the airframe at one end and to the shock strut at the other, and transmits landing loads to the airframe and shock strut A static ground wire is clamped to the left axle retaining bolt only to assist in dissipating static electricity while on the ground. A static bonding jumper is connected to the airframe and to the drag beam on both main landing gears to ensure there is a good path for any static electricity buildup to the static ground wire connected to the left axle retaining bolt LEARNING STEP 5: Identify the operational characteristics of the UH-60 Landing Gear System The helicopter has conventional, non-retractable landing gear system, consisting of two main gear assemblies and a tail wheel assembly The interchangeable drag beams, attaches to the airframe at one end and to the shock strut at the other, and transmits landing loads to the airframe and shock strut A static ground wire is clamped to the left axle retaining bolt only to assist in dissipating static electricity while on the ground. A static bonding jumper is connected to the airframe and to the drag beam on both main landing gears to ensure there is a good path for any static electricity buildup to the static ground wire connected to the left axle retaining bolt

55. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 55 Introduction to UH-60 LEARNING STEP 5: Identify the operational characteristics of the UH-60 Landing Gear System A landing gear weight-on-wheels (WOW) switch is installed on the left landing gear to control operation of selected systems Main shock strut is a two-stage, nitrogen-oil shock strut. It strokes approximately 24 inches and is covered with a fiberglass panel Two-stage struts are in tandem. Lower stage compresses first to absorb shock loads up to 10 feet per second (fps); upper strut starts to compress above 10 fps LEARNING STEP 5: Identify the operational characteristics of the UH-60 Landing Gear System A landing gear weight-on-wheels (WOW) switch is installed on the left landing gear to control operation of selected systems Main shock strut is a two-stage, nitrogen-oil shock strut. It strokes approximately 24 inches and is covered with a fiberglass panel Two-stage struts are in tandem. Lower stage compresses first to absorb shock loads up to 10 feet per second (fps); upper strut starts to compress above 10 fps

56. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 56 Introduction to UH-60 LEARNING STEP 5: Identify the operational characteristics of the UH-60 Landing Gear System

57. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 57 Introduction to UH-60 LEARNING STEP 5: Identify the operational characteristics of the UH-60 Landing Gear System Each stage has three variable-size oil chambers and a floating piston with a nitrogen charge in the struts which gives a spring action as the aircraft lands and taxies; hydraulic fluid (MIL-H-5606) in each stage will regulate the rate of compression and extension At design weight (16,825 pounds), struts should prevent the fuselage from contacting the ground when landing at approximately 11.25 gs LEARNING STEP 5: Identify the operational characteristics of the UH-60 Landing Gear System Each stage has three variable-size oil chambers and a floating piston with a nitrogen charge in the struts which gives a spring action as the aircraft lands and taxies; hydraulic fluid (MIL-H-5606) in each stage will regulate the rate of compression and extension At design weight (16,825 pounds), struts should prevent the fuselage from contacting the ground when landing at approximately 11.25 gs

58. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 58 Introduction to UH-60 LEARNING STEP 5: Identify the operational characteristics of the UH-60 Landing Gear System The system incorporates a jack and kneel feature that permits manual raising or lowering of the fuselage for air transportability Maximum forward touchdown speed is limited to 60 knots ground speed on level terrain Do not exceed a touchdown sink rate of 540 feet-per minute on level terrain and 360 feet-per minute on slopes with gross weights of up to 16,825 pounds; above 16,825 pounds gross weight 300 feet-per-minute on level terrain and 180 feet-per-minute on slopes LEARNING STEP 5: Identify the operational characteristics of the UH-60 Landing Gear System The system incorporates a jack and kneel feature that permits manual raising or lowering of the fuselage for air transportability Maximum forward touchdown speed is limited to 60 knots ground speed on level terrain Do not exceed a touchdown sink rate of 540 feet-per minute on level terrain and 360 feet-per minute on slopes with gross weights of up to 16,825 pounds; above 16,825 pounds gross weight 300 feet-per-minute on level terrain and 180 feet-per-minute on slopes

59. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 59 Introduction to UH-60 LEARNING STEP 5: Identify the operational characteristics of the UH-60 Landing Gear System Main Wheel Assembly Each wheel consists of a 26 x 10.0-11 tubeless tire, that is serviced with nitrogen, a forged aluminum two section wheel rim (inner diameter -11 inches; outer, 13 inches) On the inner wheel half, seven (7) drive keys engage the two rotating steel, key-slotted disks (part of the brake system) to the wheel Both main wheels have a self-adjusting, double disc, three-cavity brake assembly, which includes a visual brake lining wear indicator LEARNING STEP 5: Identify the operational characteristics of the UH-60 Landing Gear System Main Wheel Assembly Each wheel consists of a 26 x 10.0-11 tubeless tire, that is serviced with nitrogen, a forged aluminum two section wheel rim (inner diameter -11 inches; outer, 13 inches) On the inner wheel half, seven (7) drive keys engage the two rotating steel, key-slotted disks (part of the brake system) to the wheel Both main wheels have a self-adjusting, double disc, three-cavity brake assembly, which includes a visual brake lining wear indicator

60. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 60 Introduction to UH-60 LEARNING STEP 5: Identify the operational characteristics of the UH-60 Landing Gear System Brake Assemblies Has four master cylinders--one on each anti-torque control pedal Two slave mixer valves under the pilots seat Parking brake valve under the pilots seat Parking brake T-handle is on the aft center console NOTE: To set the parking brakes, press on either the pilot or the copilot toe brake pedals, pulling the parking brake handle to its fully extended position, then releasing the toe brakes while holding the handle out LEARNING STEP 5: Identify the operational characteristics of the UH-60 Landing Gear System Brake Assemblies Has four master cylinders--one on each anti-torque control pedal Two slave mixer valves under the pilots seat Parking brake valve under the pilots seat Parking brake T-handle is on the aft center console NOTE: To set the parking brakes, press on either the pilot or the copilot toe brake pedals, pulling the parking brake handle to its fully extended position, then releasing the toe brakes while holding the handle out

61. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 61 Introduction to UH-60 LEARNING STEP 5: Identify the operational characteristics of the UH-60 Landing Gear System Brake Assemblies Pressing either pilot or copilot left brake will release the parking brakes. When releasing the parking brakes with the rotor systems turning, ensure that pressure is applied to both pedals to prevent inadvertently pushing the pedals and changing pitch in the tail rotor blades LEARNING STEP 5: Identify the operational characteristics of the UH-60 Landing Gear System Brake Assemblies Pressing either pilot or copilot left brake will release the parking brakes. When releasing the parking brakes with the rotor systems turning, ensure that pressure is applied to both pedals to prevent inadvertently pushing the pedals and changing pitch in the tail rotor blades

62. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 62 Introduction to UH-60 LEARNING STEP 5: Identify the operational characteristics of the UH-60 Landing Gear System Brake housing with wear indicators bolted to each drag beam Two visual brake lining wear indicators are located on both brake housings The wear indicators are spring loaded in the retracted position to ensure they do not drag on the disk during normal operation Pushing on the spring loaded wear indicator pin until it touches the brake disk then observing the amount of the pin height remaining above the nut indicates the level of wear of the brake pads (pucks). If the wear pin becomes flush with nut, replacement of the brake pads is required LEARNING STEP 5: Identify the operational characteristics of the UH-60 Landing Gear System Brake housing with wear indicators bolted to each drag beam Two visual brake lining wear indicators are located on both brake housings The wear indicators are spring loaded in the retracted position to ensure they do not drag on the disk during normal operation Pushing on the spring loaded wear indicator pin until it touches the brake disk then observing the amount of the pin height remaining above the nut indicates the level of wear of the brake pads (pucks). If the wear pin becomes flush with nut, replacement of the brake pads is required

63. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 63 Introduction to UH-60 LEARNING STEP 5: Identify the operational characteristics of the UH-60 Landing Gear System Tail Wheel Assembly The tail wheel swivels 360° locks in the trail position and encompasses a two-stage tandem nitrogen-oil shock strut Lower stage compresses to absorb normal taxi and landing loads up to 10 feet per second. The upper strut compresses above 10 feet per second The fixed tail landing gear secures to the rear tail cone structure and provides rear support of the helicopter. The upper end of the strut is bolted to the tail cone with the lower end of the nitrogen-oil shock strut bolted to the yoke LEARNING STEP 5: Identify the operational characteristics of the UH-60 Landing Gear System Tail Wheel Assembly The tail wheel swivels 360° locks in the trail position and encompasses a two-stage tandem nitrogen-oil shock strut Lower stage compresses to absorb normal taxi and landing loads up to 10 feet per second. The upper strut compresses above 10 feet per second The fixed tail landing gear secures to the rear tail cone structure and provides rear support of the helicopter. The upper end of the strut is bolted to the tail cone with the lower end of the nitrogen-oil shock strut bolted to the yoke

64. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 64 Introduction to UH-60 LEARNING STEP 5: Identify the operational characteristics of the UH-60 Landing Gear System Tail Wheel Assembly LANDING SPEED LIMITATIONS - Maximum forward touchdown speed is limited to 60 knots ground speed on level terrain LEARNING STEP 5: Identify the operational characteristics of the UH-60 Landing Gear System Tail Wheel Assembly LANDING SPEED LIMITATIONS - Maximum forward touchdown speed is limited to 60 knots ground speed on level terrain

65. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 65 Introduction to UH-60 LEARNING STEP 5: Identify the operational characteristics of the UH-60 Landing Gear System Tail Wheel Lock System An electrically operated actuator, secured to the yoke assembly, secures the tail wheel in the trailing position when the helicopter is parked or in flight The lock pin actuator is controlled by the tail wheel lock control switch in the miscellaneous switch (MISC SW) panel. When the tail wheel control switch is pushed in, power from the DC essential bus energizes the actuator to the extended position which will move the spring cylinder and the lockpin bellcrank aft, inserting the lockpin down into the hole of the fork which prevents the fork from swiveling LEARNING STEP 5: Identify the operational characteristics of the UH-60 Landing Gear System Tail Wheel Lock System An electrically operated actuator, secured to the yoke assembly, secures the tail wheel in the trailing position when the helicopter is parked or in flight The lock pin actuator is controlled by the tail wheel lock control switch in the miscellaneous switch (MISC SW) panel. When the tail wheel control switch is pushed in, power from the DC essential bus energizes the actuator to the extended position which will move the spring cylinder and the lockpin bellcrank aft, inserting the lockpin down into the hole of the fork which prevents the fork from swiveling

66. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 66 Introduction to UH-60 LEARNING STEP 5: Identify the operational characteristics of the UH-60 Landing Gear System Tail Wheel Lock System LEARNING STEP 5: Identify the operational characteristics of the UH-60 Landing Gear System Tail Wheel Lock System

67. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 67 Introduction to UH-60 SUMMARY 1.Identify the characteristics of the UH-60 Blackhawk Helicopter 2.Identify the UH-60 Fuselage Section Special Features 3.Identify the UH-60 Cockpit Special Features 4.Identify the operational characteristics of the UH-60 Power Train System 5.Identify the operational characteristics of the UH-60 Landing Gear System SUMMARY 1.Identify the characteristics of the UH-60 Blackhawk Helicopter 2.Identify the UH-60 Fuselage Section Special Features 3.Identify the UH-60 Cockpit Special Features 4.Identify the operational characteristics of the UH-60 Power Train System 5.Identify the operational characteristics of the UH-60 Landing Gear System

68. UNCLASSIFIED SLIDE - AASF1-NY Standards - 27 Feb 12 68 Introduction to UH-60