Piper Apache
AIRPLANE SERVICE MANUAL
PA-23-150
PA-23-160
Piper Service Manual/ Piper Maintenance Instructions Manual
Part Number 752-422 (ORG) dated 1950 with revision to October 5, 1999.
Revisions to this service manual 752 422, originally published (on paper only) in 1954, reissued (on paper only) on March 15, 1968, and published on microfiche on May 28, 1976.