Piper PA-18

SM-16 Piper Hours Required For Finishing a Plane

09/21/2021Univair
Actual labor breakdown, in hours, of factory time required to cover and finish 100 each of the Piper PA-18, PA-18A and PA-22 models.

SM-19 Piper PA-18/PA-19 Rigging Procedure

09/29/2021Univair
Rigging procedure for Piper PA-18 and PA-19.

SM-22 Piper Materials to Recover Component Parts

04/13/2022Univair
Approximate list of materials required to cover and finish the various component assemblies of the listed piper planes.

SM-23 Piper Approximate Materials to Recover

04/13/2022Univair
Approximate material required to recover Piper J-3, PA-11, PA-15, PA-17 and PA-18 aircraft using raw fabric and cellulose acetate butyrate dope.

SM-28 Piper Miscellaneous FAA Field Approvals

04/13/2022Univair
The following installations have been FAA approved in the field. The party securing the approval is also listed.

SM-51 Piper PA-18 Specifications and Performance

09/29/2021Univair
Specifications and performance data for Piper PA-18 with Continental 90hp and Lycoming 108hp engines.

VSP-62 Piper Inspection of Impulse Coupling Cam Assemblies

04/13/2022Univair
Addresses a potential for impulse coupling failure, which can result in total loss of engine power.

VSP-98 Piper Reference Lycoming SB No. 486

09/23/2021Univair
Pertains to the inspection of the Single Belt Driven Ring Gear Support Assembly as installed on the affected aircraft above.

VSP-100 Piper Defective Diagrams in Master Cylinder

04/13/2022Univair
Information on replacing an existing diaphragm suspected to be defective in master brake cylinders installed in listed Piper aircraft models.