Popular Articles

  1. SB-102 Piper PA-12 Electrical System

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-12
    Summary of service difficulties experienced with the electrical system in the Model PA-12 and recommendations as to how to remedy these difficulties.

  2. SM-50 Piper PA-16 Specifications and Performance

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-16
    General specifications and performance data for Piper Clipper PA-16.

  3. Stinson Axle Nuts

    Last Updated: 10/11/2021 in Technical Information Stinson
    Corrections to the Stinson Parts Manual regarding the axle nuts.

  4. AD 46-44-05 Engine Mounting Bolts

    Last Updated: 09/08/2021 in Airworthiness Directives Cessna 120, 140 and 170 Series
    Replace each of the four internal wrenching bolts which attach the engine to the engine mount with an AN 6 bolt and a special offset washer.

  5. SB-44 Piper J-3 Operation of Airplanes with Enclosure Door Open

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper J-3
    Possibility that the upper enclosure door may be torn from the airplane and cause damage to other parts of the airplane when flying with the door open.

  6. AD 46-30-01 Control Stick Horn Adjustment Screw

    Last Updated: 09/08/2021 in Airworthiness Directives Luscombe 8 Series
    Replace the adjustment screw in the lower end of the control stick horn, with an AN 520-10-44 screw in order to prevent interference with the lower fuselage skin.

  7. SM-29 Piper PA-12 CAA Field Approvals for Engines

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-12
    Field approvals for Piper PA-12 engines not listed in the CAA specifications.

  8. AD 48-04-02 Wing Rib Rework

    Last Updated: 09/08/2021 in Airworthiness Directives Aeronca, Champion, Citabria, Bellanca
    Inspect the wing leading edge for buckled nose ribs or loose PK screws.

  9. EB-21 Luscombe Reinforcement of Rudder Horn

    Last Updated: 12/15/2021 in Service Bulletins, Letters and Memos Luscombe
    Reinforcing the rudder horn to prevent the rudder from breaking loose during takeoff.

  10. SM-17 Piper J-3 Gross Weight Increase

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper J-3
    Structural changes required for gross weight increases in model J3C-65 airplanes.
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