# STC SA1181NW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Christensen, Roger D., United States
- Description: Installation of Antique Tire and Rubber Company Tundra Tire and Cleveland wheels and brakes
- Applied: February 5, 1981
- Status date: February 13, 1981
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 1A2](https://openairdocs.org/tcds/1A2)
- Certificate PDF: https://openairdocs.org/files/sha256/74/5d/745d3fe52fce646daad0981e9dfa2bcbe50e9265bfeea4ecda205f6a9e0fa9d4
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F919B5E7FE9C134186257A3A00636A3C.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1181NW

## ADs that name it (0)

None.

## Approved models (1)

- Piper Aircraft Inc. PA-18-150 ([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: SA1181NW This certificate issued to: Roger Christensen Part 3 of the Civil Air Regulations Original Product -Typelertificate Number: 1A2 Make: Piper Model: PA -18 "150" (So pix fedantes (tubeless) and Cleveland model 40-750 wheels and e: Installation of Antique Tire and Rubber Company model 30-52D brakes in accordance with Roger Christensen Installation Instructions Number 18-101.

NOTE: This approval is intended for the installation in the above model with Light Plane Components Alaskan Gear Legs installed in accordance with STC SA17RM.

Limilations and bondilina: Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation in Piper PA-18 "150", Serial Number 18-7809142 only. A copy of this Certificate and Roger Christensen Installation Instructions 18-101 shall be maintained as part of the permanent records for the modified aircraft.

Date of Application: February 5, 1981 Date Reissued:

Date of Issuance: . February 13, 1981 Date Amended:

FEDERAL AVIATION Shakes C Seh Shareder (Signature ) TEMINISTRAIOR Acting Chief, Seattle Area Aircraft Certification Office (Title)

## Every issue (1)

- February 13, 1981: Issued, Current. [certificate](https://openairdocs.org/files/sha256/74/5d/745d3fe52fce646daad0981e9dfa2bcbe50e9265bfeea4ecda205f6a9e0fa9d4)

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