# STC SA1238NW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Handerson, Ronald J., Sr., United States
- Description: Installation of a Lycoming O-320-B2A and a Sensenich M74DM61 propeller.
- Applied: March 20, 1981
- Status date: May 12, 1981
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 1A6](https://openairdocs.org/tcds/1A6)
- Certificate PDF: https://openairdocs.org/files/sha256/d6/ef/d6efe7c255edd75d4027127a770e21aa737af03b0bf0e9aae55e701c1fc3aed1
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6BB63EFDC4460E4986257A3D004A124C.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1238NW

## 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 SA1238NW This certificate issued to: Ronald J. Handerson Furt 3 of tie Civil Air Kuqululind: › November 1, 1949, and amendments 3-1 through 3-5, June 4, 1951.

Prizinal Induct - Type bertificate Number: 1A6 Make: Piper lutel: PA-22-150 Tucriplin/ Type Design Change: Installation of a Lycoming 0-320-P2A and a Sensenich M74DM61 propeller in accordance with Ronald J. Handerson photographs 1 through 3.

LimilatinaundCundilion: Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation in Piper PA-22-150 , Serial Number 22-3351 only. A copy of this Certificate and Addendum No. SAl238NW shall be maintained as part of the permanent records for the modified aircraft.

Jules/ upplicution: March 20, 1981 Date Reissued:

Date of Issuance: May 12, 1981 Date Amended:

FEDERAL AVIATION Charlie Etitiveler THIN STRATOR Acting Chief, Seattle Area Aircraft Certification Office ( Title ) 47 FAA FoR 8110-2 (10-68)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) May 12, 1981 Number SA1238NW Supplemental Type Certificate ADDENDUM NO. SA1238NW The conditions and limitations of Type Certificate Data Sheet Number lA6 apply except where superseded by the following:

Supplemental Type Certificate Data Sheet, which is part of SIC SA1238NW, prescribes the conditions and limitations under which the SIC was issued meets the airworthiness requirements of the Civil Air Regulations.

Supplemental Type Certificate HOLDER: Ronald J. Handerson PIPER PA-22-150 (4PCLM, NORMAL CATEGORY) AS MODIFIED BY SIC SA1238NW Engine: . Lycoming 0-320-B2A Engine Limits: 160 Hp @ 2700 rpm fuel: 91/96 or 100/130 octane aviation gasoline Propeller: Sensenich M74DM61 Propeller Limits: 165 Hp @ 2800 rpm Diameter: Maximum 74" Pitch Setting: 66" to 48"

**AVOID CONTINUOUS OPERATION BETWEEN 2150 RPM AND 2250 RPM ON THE GROUND AND IN FLIGHT.**

Placard: Place a red radial line at 2700 rpm and a yellow arc between 2150 and 2250 rpm on the tachometer.

**ALL ELSE IS THE SAME AS TYPE CERTIFICATE DATA SHEET 1A6.**

- END -

**FAA FORM 8110-2-1 (10-69) PAGE 3 OF 3 PAGES C FAA AC 73-2651**

## Every issue (1)

- May 12, 1981: Issued, Current. [certificate](https://openairdocs.org/files/sha256/d6/ef/d6efe7c255edd75d4027127a770e21aa737af03b0bf0e9aae55e701c1fc3aed1)

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