New Articles

  1. SL-406 Piper PA-20/PA-22 Revision to Owner's Handbook

    Created On: 09/30/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-20
    Correction to Owner's Handbooks for the listed models.

  2. SM-25 Piper PA-20/PA-22 Approximate Materials to Recover

    Created On: 09/30/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-20
    Approximate amount of materials required to recover PA-20 and PA-22 models using raw fabric and cellulose acetate butyrate dope.

  3. SM-60 Piper PA-22 Specifications and Performance

    Created On: 09/30/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-22
    Specifications and performance data for Piper PA-22 "125" and "135" airplanes.

  4. SM-73 Piper PA-22 Nose Wheel Oleo Boot Assembly

    Created On: 09/30/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-22
    Installation of this boot will reduce the possibility of moisture accumulating between the oleo assembly and the oleo housing.

  5. SB P-2 Univair Inspection of Landing Gear Hydrasorb Shock Struts

    Created On: 10/04/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-25
    Procedure for examining both left and right Univair hydrasorb (U486-604-1) for any possible cracks or irregularities.

  6. SB P-1 Univair Throttle Inspection in Piper Airplanes

    Created On: 10/04/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper J-3
    Steps to preclude failure of the U12694 series throttle cables, which could cause loss of full travel of the throttle control.

  7. AD 72-20-06 Aerobatic Flight Placard

    Created On: 08/30/2021 in Airworthiness Directives Aeronca, Champion, Citabria, Bellanca
    Prevent flight controls malfunction including possible loss of control due to cable failure.

  8. SB-01 Alon Engine Breather Fitting

    Created On: 09/02/2021 in Service Bulletins, Letters and Memos Alon and Mooney M-10
    To reduce the amount of oil passing through the breather tube and exhausting on the under-side of the aircraft, Continental Motors Corporation has a newly designed engine fitting which extends further into the engine case.

  9. SB-02 Alon Alternate Air Source

    Created On: 09/02/2021 in Service Bulletins, Letters and Memos Alon and Mooney M-10
    In order to supply an alternate source of breather air to eliminate the possibility of pressurizing the engine case in the event that icing occurs at the breather tube end, a slot has been added to the lower portion of the breather tube.

  10. SB-03 Alon Wire Change

    Created On: 09/02/2021 in Service Bulletins, Letters and Memos Alon and Mooney M-10
    A correction in the wiring on current models has been incorporated to completely eliminate the possibility of overheating the generator if the master switch is turned off in flight for a prolonged period of time.
Copyright © 2023 Univair Aircraft Corporation. All rights reserved.