# STC SA1403NW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Rodney Engeman, United States
- Description: Installation of a Lycoming 0-540-J1A5D Engine, A Hartzell HC-C2YR-1BF/F8468A-6R propeller, a baggage box extension, a 1/4 inch thick single piece windshield, 900 X 6 tires, 14 degree flap position, 13/16 inch fin offset to the right, Cessna 185 muffler, Brackett Air Filter, Westac instruments relocated battery and fish pole box
- Applied: August 20, 1981
- Status date: September 21, 1981
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-767](https://openairdocs.org/tcds/A-767)
- Certificate PDF: https://openairdocs.org/files/sha256/1c/65/1c651b175b21ca0a85679a281b9415d4479a17691bde668ce154c3465a4abab4
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E61AD8136270199F862578550041DDD3.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1403NW

## ADs that name it (0)

None.

## Approved models (1)

- Univair Aircraft Corporation 108-3 ([TCDS A-767](https://openairdocs.org/tcds/A-767))

## 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: SA1403NW This certificate issued to: RODNEY ENGEMAN Part 3 of the Regulations.

Original Product - Type bentificate Number: A-767 Make: Univair (Stinson) Model: 108-3 Description of Type Design Change: Installation of a Lycoming 0-540-J1A5D Engine, A Hartzel1 HC-C2YR-1BF/F8468A-6R propeller, a baggage box extension, a ¼ inch thick single piece windshield, 900 X 6 tires, 14° flap position, 13/16 inch fin offset to the right, Cessna 185 muffler, Brackett Air Filter, Westac instruments relocated battery and fish pole box, in accordance with Rodney Engeman Photographs 1 through 4.

Imilalins and bindilions: Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation in Univair (Stinson) 108-3, Serial No. 4566 only. A copy of this Certificate and Addendum No. 1403NW shall be maintained as part of the permanent records for the modified aircraft.

Late sapplicalien: August 20, 1981 Jule wissued:

Date of Issuance: September 21, 1981 Sale umended:

FEDERAL AVIATION By Direction of the Administrator Lesen ( Signature ) TOMINISTRANO Chief, Seattle Area Aircraft Certification Office, ANW-100S (Title)

47.

**FAA FOR 8110-2 (10-68)**

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA1403NW Supplemental Type Certificate ADDENDUM NO. SA1403NW The conditions and limitations of Type Certificate Data Sheet Number A-767 apply except where superseded by the following:

Supplemental Type Certificate Data Sheet, which is part of STC SA1403NW prescribes the conditions and limitations under which the product for which the STC was issued meets the airworthiness requirements of the Civil Air Regulations:

Supplemental Type Certificate HOLDER: Rodney Engeman UNIVAIR (STINSON) 108-3 (LANDPLANE AND SEAPLANE, NORMAL CATEGORY) AS MODIFIED BY STC SA1403NW Engine: Lycoming 0-540 J1A5D Engine Limits: 235 Hp @ 2400 rpm takeoff and maximum continuous Fuel: 91/96 or 100/130 aviation gasoline Propeller: Landplane and Seaplane:

Hartzell HC C2YR-1BF/F8468A-6R Serial Number Eligible: 4566 only Placard: Adjacent to the fish pole box cover, install the following:

**FISHING POLES ONLY**

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

## Every issue (1)

- September 21, 1981: Issued, Current. [certificate](https://openairdocs.org/files/sha256/1c/65/1c651b175b21ca0a85679a281b9415d4479a17691bde668ce154c3465a4abab4)

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