New Articles

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

    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.
  2. SB-45 Piper J-3 Control System Interference

    Interference of the torque tube with the front seat canvas and of the elevator bellcrank with the rear seat canvas.
  3. SB-46 Piper J-3/J-4 Strainer Attachment Fittings

    Failure of strainer/carburetor attaching fittings which may be attributed metal fatigue.
  4. SB-66 Piper Flexible Hose End Fittings (3/8" Synthetic)

    Testing for secure attachment of flexible hose end fittings.
  5. SB-76 Piper J-3 Windshield Replacement

    Recommended procedure for installing a one-piece Plexiglas windshield.
  6. SB-91 Piper J-3 Fuel Strainer Installation Inspection

    Inspect for proper installation of the fuel strainer port.
  7. SB-99 Piper PA-11 Header Tank Installation

    Installation of the header tank kit to prevent possible malfunctioning of the engine due to insufficient fuel flow in prolonged glides or dives with less than five gallons of fuel in the main tank.
  8. SB-108 Piper PA-11 Front and Rear Seats

    Proper maintenance and inspection of front and rear seat backs to prevent failure due to deformations in seat frames.
  9. SB-143 Piper Magneto Ground Wire Attachment Nut

    Instructions for safetying the terminal attachment nut on the magneto ground wire.
  10. SB-120 Piper J-3/PA-11 Replacement of Front and Rear Lift Strut Forks and Barrels

    Failures of lift struts caused by abuse, failure to replace lift struts after ground accidents, and the use of damaged parts from scrapped airplanes as service replacement parts.