SB-55 Piper J-4/J-5 Fuel Tank Vents

Piper Service Bulletin No. 55


  • J-4E serial numbers 4-1378, 4-1385 and up
  • J-5 serial numbers 5-784 and up

System: Fuel

Issue Date: February 20, 1946

Subject: Fuel Tank Vents

Summary: Reports of the listed model airplanes that the engine will not operate properly with low fuel in the 7 gallon header tank.

Open PDF: PIP_SB55.pdf