04/13/2022Univair
Revises compliance time, purpose, and instructions for inspection and/or replacement of wing lift strut assembly. Also announces the availability of new sealed lift struts.
04/12/2022Univair
A recent fuel tank collapse was attributed to inadequate venting, caused by obstruction of the cap vent holes installed per Piper Service Bulletin No. 522.
04/12/2022Univair
Compromised structural integrity of the fuselage due to excessive rust and corrosion between steel tubing and preformed sheet steel material.
04/12/2022Univair
Steps to preclude failure of the U12694 series throttle cables, which could cause loss of full travel of the throttle control.
04/13/2022Univair
Outlines the repair of Univair STC'd Stamped Ribs in accordance with the original STC and FAA Advisory Circular AC 43.13-1B.
04/12/2022Univair
Recommended modifications for winter operations of Piper J-3, PA-11 and PA-12 aircraft.
09/22/2021Univair
A kit is now available to provide replacement of the standard PA-12 Carburetor Air Box with a Ram-type Box which improves the efficiency of the engine operation and a higher rate of climb.
09/22/2021Univair
Recommended parts for reinforcing the landing gear on all of the PA-12 airplanes in the field.
09/22/2021Univair
Correction to the PA-12 Weight and Balance Form regarding the propeller installation arm.
09/22/2021Univair
Discussion concerning the useful life of the eight rubber engine support bushings, Lycoming part number 60883.
09/22/2021Univair
Information concerning the use of safety belts which do not have TSO approval.
04/12/2022Univair
This letter is to advise all concerned that as of September 1st, 1962, the Piper Aircraft Corporation considers the following aircraft models obsolete inasmuch as they have been out of production for at least seven years.
09/22/2021Univair
Material list and instructions to reinforce the area where the fabric attaches to the fuselage under the windshield top and/or directly over the rear edge of the windshield top attachment channel.
09/22/2021Univair
The round upper and lower tail brace tie rod assemblies, part numbers 10555-02 and 10556-02, respectively, have been approved to replace the upper and lower streamline tail brace tie rod assemblies in the listed aircraft.
04/13/2022Univair
Table showing the type of brake fluid used in airplanes manufactured by the Piper Aircraft Corporation.
09/22/2021Univair
Rigging and leveling procedures for Piper PA-12.
09/22/2021Univair
Instructions for installing shock cords on Piper PA-12 and PA-14 aircraft.
04/13/2022Univair
Shock cord application chart for listed Piper models.
04/13/2022Univair
Approximate list of materials required to cover and finish the various component assemblies of the listed piper planes.
09/22/2021Univair
Approximate amount of material required to recover PA-12 Model using cellulose acetate butyrate dope and raw fabric.