# STC SA1557NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Delbert Dean Huss Jr., United States
- Description: Installation of Jensen Aircraft fuel valve plug No. 011-1.
- Applied: March 29, 1982
- Status date: January 29, 1999
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1A6](https://openairdocs.org/tcds/1A6)
- Certificate PDF: https://openairdocs.org/files/sha256/4e/2f/4e2faf88dedcce515fda340e58544c2cdd7099342ecb69caa6e2a4c4ec6fef8b
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/CA44D777E9A0C8EB85256CC100821342.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1557NM

## ADs that name it (0)

None.

## Approved models (8)

- Piper Aircraft Inc. PA-22 ([TCDS 1A6](https://openairdocs.org/tcds/1A6))
- Piper Aircraft Inc. PA-22-108 ([TCDS 1A6](https://openairdocs.org/tcds/1A6))
- Piper Aircraft Inc. PA-22-135 ([TCDS 1A6](https://openairdocs.org/tcds/1A6))
- Piper Aircraft Inc. PA-22-150 ([TCDS 1A6](https://openairdocs.org/tcds/1A6))
- Piper Aircraft Inc. PA-22-160 ([TCDS 1A6](https://openairdocs.org/tcds/1A6))
- Piper Aircraft Inc. PA-22S-135 ([TCDS 1A6](https://openairdocs.org/tcds/1A6))
- Piper Aircraft Inc. PA-22S-150 ([TCDS 1A6](https://openairdocs.org/tcds/1A6))
- Piper Aircraft Inc. PA-22S-160 ([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: SA1557NM This certificate issued to: Delbert Dean Huss Jr.

Part 3 of the Civil Air Regulations.

Original Product -Type Certificate Number: JA6 Make: Piper Model: PA-22 Series Description of Type Design Change:

Installation of Jensen Aircraft fuel valve plug No. 011-1 in accordance with Jensen Installation Instructions Form No. 011-B, dated May 3, 1983, or later FAA approved revision.

This approval should not be extended to airplanes 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 airplane.

Date of Application: March 29, 1982 Date Reissued: 2/29/88, 4/14/89, 7/14/97, January 29, 1999 Date of Issuance: July 6, 1983 Date Amended:

FEDERA By Direction of the Administrator iron tray Ronald F. May (Signature) Manager Northwest Mountain Region Denver Aircraft Certification Office (Title)

## Every issue (1)

- January 29, 1999: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/4e/2f/4e2faf88dedcce515fda340e58544c2cdd7099342ecb69caa6e2a4c4ec6fef8b)

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