# STC SA768NW

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Hesser, Gregory N., United States
- Description: Installation oif a McCauley propeller on a Lycoming engine and Goodyear wheels and brakes
- Applied: March 29, 1979
- Status date: July 8, 1980
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A-768](https://openairdocs.org/tcds/A-768)
- Certificate PDF: https://openairdocs.org/files/sha256/1b/e7/1be7db3b5a2fd5da9608b4a33ab693e29b2e3f691cb248d6b634877b56c73c5d
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/22A3CF6C0431AF0386257A44006C5DDE.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA768NW

## ADs that name it (0)

None.

## Approved models (1)

- Cessna Aircraft Company 140 ([TCDS A-768](https://openairdocs.org/tcds/A-768))

## 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: SA768NW This certificate issued to: Gregory Hesser Part 4a of the Civi1 Air Regulations.

Original Product -Type Certificate Number: A-768 Make: Cessna Model: 140 Description of Type Design Change: Installation of a McCau1sy Mode1 1A170/GM 7457 propeller on a Lycoming 0-290-D2 engine and Goodyear 6.50-6 wheels and brakes in accordance with Gregory Hesser photographs 1 and 2.

Limitations and Conditions: Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation in Cessna 140, Serial Number 9764 only. A copy of this Certificate and Addendum No. SA768NW shall be maintained as part of the permanent records for the modified aircraft.

Addendemn unchanged

Date of Application: March 29, 1979 Date Reissued:

Date of Issuance: . May 15, 1979 Date Amended: July 8, 1980 FEDERAL AVIATION Charts Editroede (Signature ) TOMINISTRAIO Chief, Engineering and Manufacturing Branch (Title)

47.

## Every issue (1)

- July 8, 1980: Amended, Current. [certificate](https://openairdocs.org/files/sha256/1b/e7/1be7db3b5a2fd5da9608b4a33ab693e29b2e3f691cb248d6b634877b56c73c5d)

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