# STC SA632AL

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Wick Air Inc., United States
- Description: Install McCauley 1A1757DM80 propeller.
- Applied: December 12, 1977
- Status date: July 11, 2008
- Product: Aircraft, Single-Engine
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS A-799](https://openairdocs.org/tcds/A-799)
- Certificate PDF: https://openairdocs.org/files/sha256/82/5e/825e8b38a15c560301daa81fca6c66e21fa6dc355f2543972c227d53c5c88f2c
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6BC7D6A28BB8C6E88625748E0060F0A8.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA632AL

## ADs that name it (0)

None.

## Approved models (3)

- The Cessna Aircraft Company 170 ([TCDS A-799](https://openairdocs.org/tcds/A-799))
- The Cessna Aircraft Company 170A ([TCDS A-799](https://openairdocs.org/tcds/A-799))
- The Cessna Aircraft Company 170B ([TCDS A-799](https://openairdocs.org/tcds/A-799))

## 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.

Part 3 of the Civil Air Regulations.

Description of Type Design Change: Installation of McCauley 1A175/DM80 propeller in accordance with Wick Air Inc., FAA approved Instruction Sheet #APS-100 dated May 3, 1978, or later FAA approved revision. The FAA approved Airplane Flight Manual Supplement dated May 3, 1978 or later FAA approved revision is required.

Limitations and Conditions: The approval of this change in type design applies to basic Cessna Model 170 aircraft only. Compatibility of this design change with previously FAA approved modifications must be determined by the installer.

If the holder agrees to permit another person to use this Certificate to alter the product, the holder shall give the other person written evidence of that permission.

Wick Air Inc.

8091 E. Palmer/Wasilla Hwy Palmer, Alaska 99645

799 Make: Cessna Model: 170, 170A & 170B Date of application: December 12, 1977

Date of issuance: May 3, 1978

Date reissued: July 11, 2008

Date amended: July 11, 2008

( Signature) Gregory J. Holt Manager, Aircraft Certification Office Anchorage, Alaska

( Title)

## Every issue (1)

- July 11, 2008: Amended, Current. [certificate](https://openairdocs.org/files/sha256/82/5e/825e8b38a15c560301daa81fca6c66e21fa6dc355f2543972c227d53c5c88f2c)

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