Popular Articles

  1. LPC-1 Amendment A Mandatory Landing Gear Product Improvement

    Last Updated: 04/11/2022 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-22
    To preclude the possibility of failure at the upper shock strut-drag tube area of the LPC 1012 series landing gear vees used in the STC-SA45RM taildragger modification, a second gusset has been added to the upper end of the streamline brace tube.

  2. SM-55A Ercoupe Installation of Trim Tab Stop and Springs

    Last Updated: 12/15/2021 in Service Bulletins, Letters and Memos Ercoupe and Forney
    Instructions and materials list for the installation of elevator trim tab stops and springs on early Ercoupes.

  3. FSB-109 Ercoupe Addition of Drain Holes

    Last Updated: 12/15/2021 in Service Bulletins, Letters and Memos Ercoupe and Forney
    Provisions for expelling water and gasoline from the forward belly regions of the aircraft for all normal parking attitudes.

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

    Last Updated: 12/14/2021 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.

  5. SM-24 Ercoupe Torque Wrench Application to Propeller Hub Bolts

    Last Updated: 12/15/2021 in Service Bulletins, Letters and Memos Ercoupe and Forney
    Covers the tightening of the propeller hub bolts on the Continental hub used with the Continental C-75 and C-85 engines.

  6. SB-86 Piper J-3 Lift Struts and Lift Strut Clevis Bolts

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper J-3
    Inspect the lift strut clevis bolts for evidence of abuse. If such evidence is noted, the bolts shall be replaced.

  7. SB-218 Piper Replacement of Vacuum Pump Splined Coupling

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-18
    Reports of the vacuum pump splined coupling on Airborne Mechanisms Vacuum Pumps Models 113A5 and 113A8 may fail prematurely as a result of over-curing.

  8. FAR 45.11 Removal of Data

    Last Updated: 10/08/2021 in Technical Information Federal Aviation Regulations (FARs)
    Reference: 45.11 (b) Removal of data plate.

  9. AD 53-04-01 Control Stick Attachment

    Last Updated: 09/09/2021 in Airworthiness Directives Piper J-4 thru PA-22 and PA-25
    How to prevent the control stick inadvertently pulling out of the socket.

  10. AD 47-43-08 Propeller Blade Retainer Ferrule

    Last Updated: 09/08/2021 in Airworthiness Directives Cessna 120, 140 and 170 Series
    Removing the R003-201 propeller blades and visually inspecting the propeller blade retainer ferrule for cracks.
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