Piper PA-15 & PA17 VagabondTwo 12-gallon Wing Fuel Tanks
Remove Fuselage Nose Tank
Single Selector Valve (Andair)
FAA-DER Approved Drawing to be used in support of Major Alteration via 337 return-to-service by your A&P/I.A. sign-off.
Drawing includes instructions for fuel flow test and unusable fuel determination.