STC SA1590NM

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA1590NM This certificate issued to: Delbert Dean Huss Jr.

Part 3 of the Civil Air Regulations.

Original Product -Type Certificate Number: 1A1 Make: Piper Model: PA-16 Description of Type Design Change:

Installation of replacement long-life lift strut in accordance with FAA sealed Jensen Aircraft Master Drawing List No. 006, dated May 15, 1984, FAA approved June 7, 1984, or subsequent FAA approved revision.

1. This approval should not be extended to aircraft of these models on which other previously approved modifications are incorporated unless it is determined that the interrelationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft.

2. It has been determined that this modification has sufficiently reduced stresses such that AD 81-25-05 compliance is not required. The "no-step" placard as specified in 3(c) of AD 81-25-05 is required.

Date of Application: March 29, 1982 Date Reissued: 2/29/88, 4/14/89, 7/14/97, January 29, 1999 Date of Issuance: June 7, 1984 Date Amended:

FEDERAL AVIATIO Ronald F. May (Signature) Manager *OMINIST RATIOT Northwest Mountain Region Denver Aircraft Certification Office (Title)