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Maintenance Forum, Safety, Operational Issues, Formation flying.

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Presentation on theme: "Maintenance Forum, Safety, Operational Issues, Formation flying."— Presentation transcript:

1 Maintenance Forum, Safety, Operational Issues, Formation flying

2 NWOC 2014 Moderator Rick Siegfried Anyone using this session to renew AI Topics – Avionics – Propellers – Engine – Airframe – Airworthiness Directives – Operational

3 North American Texan T6, SNJ, Harvard Please register on sign-in sheet Any new Texan owners Any prospective owners Standard Category Experimental/Exhibition Category Importance of Type Clubs – NATA membership – EAA Warbirds of America membership

4 North American T-6/SNJ Texan Maintenance Forum

5 Avionics Anyone ADS-B Compliant Automatic Dependent Surveillance-Broadcast – Required by January 1, 2020 – Traffic, Weather, Terrain, Flight information Safety – Situational Awareness – Improved Visibility

6 Propeller Hamilton Standard 12D20 Hub Blades 6101-12 t0 -14 Overhaul Issues Lubrication

7 Engine Pratt and Whitney R1340 Cylinders Camshafts Crankshafts Oil Filtration

8 Engine Failure resulted in Off Airport Landing …Pilot Safe

9 Fuel Pump Drive housing

10 Housing seemed to crystallize

11 AirFrame Annual Inspections – Intergranular corrosion – Fabric Surfaces – Steel Tube Structure Preflight Inspections

12 Corrosion



15 T-6 Right Wing upper surface


17 T-6 Right Side looking forward

18 T-6 Left Side looking aft

19 Airworthiness Directives PropellerN/A Engine – AD 56-06-02 Cylinder and Stud Failures – AD 99-11-02 Cylinder Head Cracking AirFrame – AD 46-17-01 Flap Control Universal Pins – AD 50-38-01 Fuselage Structure Corrosion – AD 2005-12-51 Upper & Lower Wing Attach Angles

20 Airworthiness Directives Appliance – Accessories – Instruments – Magnetos – Carburetor – Governor – Avionics – Seats – Etcetera

21 Operational Issues Proper Aircraft Checkout Preflight Starting issues Recent Currency – FAR Required Flight Review – Night Currency – Carrying Passengers – Formation Flying

22 Safety Record for Warbirds 2014 Sadly, we lose an average of 10 friends each year in Warbird accidents 2013/14 Had 10 Fatalities in 6 accidents – 7 Non-fatal accidents Air Shows, Low Level Flying, Continued Flight into Poor Weather, Bad Decision Making So what happened in 2013/2014 Can we see a trend

23 10 Friends Lost in Warbird Accidents CJ-6… 2 Fatal Maneuvering Flight GNAT... 1 Fatal Low Approach, Acro, Control Loss Bell UH-1… 2 Fatal in-flight breakup Cessna T-50… 2 Fatal continued Flight IMC P51.. 2 Fatal Terrain FW 149… 1 Fatal continued Flight IMC

24 North American T6, SNJ, Harvard Flight Characteristics Preflight Starting Ground Handling Takeoff Stall Characteristics Approach Landing Securing Aircraft

25 Clinics are a safe way to learn Formation Flying

26 91.111 Operating near other aircraft (a) No person may operate an aircraft so close to another aircraft as to create a collision hazard. (b) No person may operate an aircraft in formation flight except by arrangement with the pilot in command of each aircraft in the formation. (c) No person may operate an aircraft, carrying passengers for hire, in formation flight.

27 91.119 Minimum safe altitudes: General Except when necessary for takeoff or landing, no person may operate an aircraft below the following altitudes: (a) Anywhere. An altitude allowing, if a power unit fails, an emergency landing without undue hazard to persons or property on the surface. (b) Over congested areas. Over any congested area of a city, town, or settlement, or over any open air assembly of persons, an altitude of 1,000 feet above the highest obstacle within a horizontal radius of 2,000 feet of the aircraft. (c) Over other than congested areas. An altitude of 500 feet above the surface, except over open water or sparsely populated areas. In those cases, the aircraft may not be operated closer than 500 feet to any person, vessel, vehicle, or structure. (d) Helicopters, powered parachutes, and weight-shift-control aircraft. If the operation is conducted without hazard to persons or property on the surface (1) A helicopter may be operated at less than the minimums prescribed in paragraph (b) or (c) of this section, provided each person operating the helicopter complies with any routes or altitudes specifically prescribed for helicopters by the FAA; and (2) A powered parachute or weight-shift-control aircraft may be operated at less than the minimums prescribed in paragraph (c) of this section.

28 91.303 Aerobatic Flight No person may operate an aircraft in aerobatic flight (a) Over any congested area of a city, town, or settlement; (b) Over an open air assembly of persons; (c) Within the lateral boundaries of the surface areas of Class B, Class C, Class D, or Class E airspace designated for an airport; (d) Within 4 nautical miles of the center line of any Federal airway; (e) Below an altitude of 1,500 feet above the surface; or (f) When flight visibility is less than 3 statute miles. For the purposes of this section, aerobatic flight means an intentional maneuver involving an abrupt change in an aircraft's attitude, an abnormal attitude, or abnormal acceleration, not necessary for normal flight.

29 91.307 Parachutes and Parachuting (a) No pilot of a civil aircraft may allow a parachute that is available for emergency use to be carried in that aircraft unless it is an approved type and has been packed by a certificated and appropriately rated parachute rigger (1) Within the preceding 180 days, if its canopy, shrouds, and harness are composed exclusively of nylon, rayon, or other similar synthetic fiber or materials that are substantially resistant to damage from mold, mildew, or other fungi and other rotting agents propagated in a moist environment; or (2) Within the preceding 60 days, if any part of the parachute is composed of silk, pongee, or other natural fiber or materials not specified in paragraph (a)(1) of this section. (b) Except in an emergency, no pilot in command may allow, and no person may conduct, a parachute operation from an aircraft within the United States except in accordance with part 105 of this chapter. (c) Unless each occupant of the aircraft is wearing an approved parachute, no pilot of a civil aircraft carrying any person (other than a crewmember) may execute any intentional maneuver that exceeds (1) A bank of 60 degrees relative to the horizon; or (2) A nose-up or nose-down attitude of 30 degrees relative to the horizon. (d) Paragraph (c) of this section does not apply to (1) Flight tests for pilot certification or rating; or (2) Spins and other flight maneuvers required by the regulations for any certificate or rating when given by (i) A certificated flight instructor; or (ii) An airline transport pilot instructing in accordance with §61.67 of this chapter. (e) For the purposes of this section, approved parachute means (1) A parachute manufactured under a type certificate or a technical standard order (C–23 series); or (2) A personnel-carrying military parachute identified by an NAF, AAF, or AN drawing number, an AAF order number, or any other military designation or specification number.

30 Questions

31 What is wrong with picture




35 T-6 Wing Attach Angles Have we heard enough about this yet ?

36 Spot Facing Tool

37 Spot facing tool aligning with hole

38 Spot Facing on Attach Angle

39 Elongated Holes in Attach Angle

40 NATA AMOC The North American Trainer Association – Holds an AMOC, Alternate Method of Compliance to AD 2005-12-51 Extends inspection interval for upper and lower wing attach angles for all NA T6,SNJ, and Harvard aircraft 1000 hours for upper wing attach angles 500 hours for most of lower wing attach angles 200 hours for 7 to 11 forward inches of lower wing attach angles

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