# STC SA1552NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Univair Aircraft Corp, United States
- Description: Installation of Lycoming IO-360(200 hp) engine, Hartzell constant speed propeller HC-C2YK/7666, and associated changes.
- Applied: January 7, 1982
- Status date: May 13, 1983
- 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/sha256/91/3e/913e7e8e63a7d6ed21508af8d580a7402dfe68fe71de789bb1b8668b682d3ef1
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/018F8811D3E49A5285256CC10082132A.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1552NM

## 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.

A733NMD-DS United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA1552NM This certificate issued to: Univair Aircraft Corporation Route 3, Box 59 Aurora, Colorado 80011 Purt 3 of the CIVIl Air Regulations.

Original Product - Type Bertificate Number: A767 Make: Univair (Stinson) Model: 108-3 Description of Type Design Change:

Installation of Lycoming I0-360 (200 HP) engine, Hartzell Constant Speed Propeller HC-C2YK/7666, and associated changes in accordance with Univair Aircraft Corp.

Drawing List No. 108U9001045, dated 2/18/83, as revised.

This approval should not be extended to other aircraft of these models on which other previously approved modifications are incorporated unless it is determined that the interrelationship between this change and any other previously approved modifications will introduce no adverse effect upon the airworthiness of the aircraft. FAA approved Aircraft Flight Manual Supplement, dated May 13, 1983 or later revision is required.

Date of Application: January 7, 1982 Jute missued:

L'ale if issuance May 13, 1983 Date Amended:

EDERAL AVIATION By Direction of the Administrator World Keyes Woodford R. Boyce, ( Signature TAMINI STRAIG Denver Aircraft Certification Field Office Manager Northwest Mountain Prajon, Aurora, Colorado

47.

## Every issue (1)

- May 13, 1983: Issued, Current. [certificate](https://openairdocs.org/files/sha256/91/3e/913e7e8e63a7d6ed21508af8d580a7402dfe68fe71de789bb1b8668b682d3ef1)

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