# STC SA2137NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Steve Pankonin, United States
- Description: Installation of an AVCO Lycoming 0-360-A4A engine and a Sensenich Model 76EMM-60
- Applied: March 31, 1983
- Status date: August 12, 1983
- Product: Aircraft
- Certification basis: Part 21
- Data sheets: [TCDS 1A6](https://openairdocs.org/tcds/1A6)
- Certificate PDF: https://openairdocs.org/files/sha256/60/c0/60c0f1671a095035bdd09b39e470e77d12e05ad2be5247c6614f3553aeb92ec2
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B852B524B47661C9862579DB0076DB68.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2137NM

## ADs that name it (0)

None.

## Approved models (1)

- Piper Aircraft Inc. PA-22-150 ([TCDS 1A6](https://openairdocs.org/tcds/1A6))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA2137NM This certificate issued to: Steve Pankonin Purt 3 of the CiVil Air Regulations:

Original Product - Type bertificate Number: 1A6 Make: Piper Model: PA-22-150, Normal Category Only Description of Type Design Change: Installation of an AVCO Lycoming 0-360-A4A engine and a Sensenich Model 76EMM-60 propeller in accordance with FAA approved Pankonin Descriptive Data Package, dated August 5, 1983, or later FAA approved revision.

Limitations and Conditions: Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation of the AVCO Lycoming Model 0-360-A4A engine and Sensenich Model 76EMM-60 propeller on Piper Model PA-22-150 airplane, serial number 22-4042 only. The modified airplane must be operated in accordance with FAA approved Airplane Flight Manual Supplement dated August 12, 1983, or later FAA approved revision. A copy of this certificate and the Airplane Flight Manual Supplement must be carried in the airplane at all times

Date of Application: March 31, 1983 Sude missued:

Date of Issuance: August 12, 1983 Date Amended:

FEDERAL AVIATION By Direction of the Administrator Serenan (Signature) TOMINISTRANTO Manager, Seattle Aircraft Certification Office (Title) 47 FAA FOR 8110-2 (10-68)

## Every issue (1)

- August 12, 1983: Issued, Current. [certificate](https://openairdocs.org/files/sha256/60/c0/60c0f1671a095035bdd09b39e470e77d12e05ad2be5247c6614f3553aeb92ec2)

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