# STC SA2639NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: David O. Dickson, United States
- Description: Install a Lycoming 0-320-E2A
- Applied: June 29, 1984
- Status date: August 16, 1984
- Product: Aircraft
- Certification basis: Part 21
- Data sheets: [TCDS 3A12](https://openairdocs.org/tcds/3A12)
- Certificate PDF: https://openairdocs.org/files/sha256/79/f1/79f163395715b5529d418ad464144624b5f42b54ccdb25804846be0f8642afac
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F2CFB9DBA8CE156A862579DD0047D6BE.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2639NM

## ADs that name it (0)

None.

## Approved models (1)

- Cessna Aircraft Company 172M ([TCDS 3A12](https://openairdocs.org/tcds/3A12))

## 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: SA2639NM This certificate issued to:

DAVID O. DICKSON Purt 3 of the CiVil Air Regulations. Effective November 1, 1949, as amended by 3-1 through 3-12.

Original Product - Type berlificale Number: A312 Make: Cessna Mertel: 172M Description of Type Design Change:

Install a Lycoming 0-320-E2A engine and McCauley 1C160/CTM propeller to replace the original Lycoming 0-320-E2D engine installation in accordance with William Kyle Photographs 1 through 13.

Lirilaluns and Cinditions:

Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation in Cessna 172-M aircraft, Serial Number 17261193. A copy of this Certificate shall be maintained as part of the permanent records for the modified aircraft.

Date of Application: June 29, 1984 Jule reissued:

Date of Issuance: August 16, 1984 I ate unendad:

FEDERAL AVIATION By direction of the Idennis talen OMINISTRATO ning Manager, Seattle Aircraft Certification Office (Title) Any alteration of this certificate is punishable by a fine of not exceeding 81,000, or imprisonment not exceeding 3 years, or bott This certificate may be transferred in accordance with FAR 21-47 FAR FoR 8110-2 (10-68)

## Every issue (1)

- August 16, 1984: Issued, Current. [certificate](https://openairdocs.org/files/sha256/79/f1/79f163395715b5529d418ad464144624b5f42b54ccdb25804846be0f8642afac)

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