# STC SA765SW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Whiteface Aviation Co, United States
- Description: Modified McCauley2D34CT69/84HF-0 propeller and governor installed.
- Applied: January 4, 1967
- Status date: March 8, 1967
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-758](https://openairdocs.org/tcds/A-758)
- Certificate PDF: https://openairdocs.org/files/sha256/46/14/461460f5babb52ad6ae12e811b913efc73fb80c442ededea95b91398d14c5da0
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7B83DDE4A13C9FFF86257FF10076E899.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA765SW

## ADs that name it (0)

None.

## Approved models (1)

- Aircraft Parts & Development Corp. A-9 ([TCDS A-758](https://openairdocs.org/tcds/A-758))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

Jfctoal 3toiation 3tgcncg Supplemental 'Cgpe Certificate SA765SW Project #L08<gSW-S Whiteface Aviation Company Hereford, Texas

•~sl«0M£ad O : Intermovmtain (Cillair) A -9 : Installation of modified McCauley 2D3^CT69/84 HF-0 propeller and governor according to Whiteface Aviation Company Installation Instructions dated January k, 196?, revised February 2^, 196?.

1. Propeller previously modified per STC SP766SW.

2. Modification limited to aircraft in restricted category.

3. Propeller Pitch Settings: High Pitch Setting: 22° Lav Pitch Setting: 12° January 4, 19^7 (Signature) len V). Welsh Chief, Engineering and Manufacturing Brmen (Title)

FAA FORM 81 10-2 (i-66) 0052-657-6000

lit. Xlate, ami ^~IP code) Extent of Authority (if licensing agreement): _ Date of Transfer:.

Signature of grantor (In ink): ___

## Every issue (1)

- March 8, 1967: Issued, Current. [certificate](https://openairdocs.org/files/sha256/46/14/461460f5babb52ad6ae12e811b913efc73fb80c442ededea95b91398d14c5da0)

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