# STC SA951NW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Samuel W Bennett, United States
- Description: Installation of Maule Model No 504 wing tips
- Applied: June 4, 1980
- Status date: June 10, 1980
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 1A2](https://openairdocs.org/tcds/1A2)
- Certificate PDF: https://openairdocs.org/files/sha256/d1/8a/d18ab832a1207d74de0b6c17bd4674d54b7d7c7635d30091466b27760d4111cd
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4DBE5CE3EEC8EE8586257A3F005848C3.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA951NW

## ADs that name it (0)

None.

## Approved models (1)

- Piper Aircraft Inc. PA-18S-150 ([TCDS 1A2](https://openairdocs.org/tcds/1A2))

## 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: SA951NW This certificate issued to: Samue] W. Bennett Purt 3 of the CiviI Air Regulations.

Original Product - Type Certificate Number: 1A2 Make: Piper Model: PA-18S "150" Description of Type Design Change: Installation of Maule Model No. 504 wing tips in accordance with Samuel W. Bennett Drawing No. SW-1000 and photographs 1 through 4.

Limitations and Conditions: Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to Piper PA-18S "150", Serial Number 18-8420 only and is intended for installation in the above model with a Lycoming 0-360-A3A engine installed in accordance with David E. Johnson STC SA36RM. A copy of this Certificate shall be maintained as part of the permanent records for the modified aircraft.

Date of Application: June 4, 1980 Date Reissued:

Date of Issuance: . June 10, 1980 Date Amended:

FEDERAL AVIATION TOMINISTRATO Acting Chief, Engineering and Manufacturing Branch (Title)

47.

## Every issue (1)

- June 10, 1980: Issued, Current. [certificate](https://openairdocs.org/files/sha256/d1/8a/d18ab832a1207d74de0b6c17bd4674d54b7d7c7635d30091466b27760d4111cd)

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