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Physiology of Flight Objective: Know the protective equipment used in actual flight.

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Presentation on theme: "Physiology of Flight Objective: Know the protective equipment used in actual flight."— Presentation transcript:

1 Physiology of Flight Objective: Know the protective equipment used in actual flight

2 Protective Equipment: Overview Describe the protective equipment used by pilots and astronauts. Todays lesson will focus on: Oxygen Systems Pressure Suits Cabin Pressurization G Suits Ejection Seats

3 Protective Equipment Protective Clothing and Equipment Three types of oxygen breathing systems. Continuous-flow Diluter-demand Pressure-demand Oxygen masks are used above 10,000 feet in unpressurized Air Force aircraft.

4 Protective Equipment Protective Clothing and Equipment Oxygen was first supplied by an oxygen mask then by a pressure suit. The pressure suit is the basis for space suits. Partial Pressure suit Pressurization to chest and head, partial to arms and legs Full Pressure Suit Incases the entire body, generally includes a self contained oxygen generator to assist in movement

5 Protective Equipment Pressurized Cabins The first American-built pressurized cabin was developed in 1937 with the XC-35. The difference in pressure between the atmosphere in the cabin and that on the outside is called the pressure differential. The Federal Aviation Agency (FAA) mandates that cabin altitude cannot exceed 8,000 feet on civilian airliners Most military and civilian cargo aircraft keep the cabin altitude a little higher to lessen the impact of decompression Empty bottle of air closed at 8000 ft cabin pressure at sea level

6 Protective Equipment Protective Clothing and Equipment Modern G-suits Blood Pressure

7 Protective Equipment Escape Equipment Parachutes Ejection seat

8 Protective Equipment Escape Equipment Ejection-seat system Usually equipped with harness, guardrails, a footrest, and a headrest Aces II Zero/Zero Seat

9 Protective Equipment Timing an Ejection 0 seconds - Pilot pulls cord; canopy is jettisoned or shattered; catapult initiates, sending seat up rails seconds - Seat clears ejection rails at 50 feet (15 m) per second and is clear of surrounding cockpit; rocket catapult ignites; yaw motor fires, inducing slight yaw to assure man-seat separation. (Burn time of all motors equals 0.10 seconds.) 0.50 seconds - Seat has lifted to about 100 to 200 feet (30.5 to 61 m) from ejection altitude seconds - Seat-man-separator motor fires; cartridge fires to release crewmember and his equipment from seat; drogue gun fires parachute 2.5 to 4 seconds - Main parachute is fully deployed.

10 Flight Simulators Barany Chair A rotating chair with a large bearing system to ensure smooth operation. Allows trainee to both experience and witness the effects of spatial disorientation.

11 Aircrew Training Ejection Seat Training Parachute Training

12 Aircrew Training G-Force Training and Simulator

13 Aircrew Training Water Survival Training

14 Physiology of Flight Objective: Know the protective equipment used in actual flight


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