# STC SA09871AC

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: General Aviation Modifications, Inc., United States
- Description: Installation of a Hartzell HC-C2YR-1N/NG8301-5 propeller
- Applied: November 10, 2016
- Status date: April 4, 2017
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A20CE](https://openairdocs.org/tcds/A20CE)
- Certificate PDF: https://openairdocs.org/files/sha256/44/60/4460937fcecc4ba056ba91649aee08ef36af19f8f0f4ad6a9a67dde27f05ffd7
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E466959AC3F421C68625810900675CF0.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA09871AC

## ADs that name it (0)

None.

## Approved models (1)

- Textron Aviation Inc. 177RG ([TCDS A20CE](https://openairdocs.org/tcds/A20CE))

## 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.

FAA Form 8110-2 (5/14) Page 1 of

Part of the

Signature

Title General Aviation Modifications, Inc.

2800 Airport Road, Hangar A Ada, OK 74820 3 SA09871AC Federal Aviation Regulations.

23 Textron Aviation Inc.

177RG Installation of a Hartzell HC-C2YR-1N/NG8301-5 propeller in accordance with General Aviation Modifications, Inc. Master Document List, MDLSA09871AC, Revision IR, dated March 29, 2017, or later FAA approved revision.

FAA approved Aircraft Flight Manual Supplement, AFMS 77-7590002, Revision IR, dated April 4, 2017, or later FAA approved revision, is required with this installation.

FAA accepted Instructions for Continued Airworthiness, Report 77-7560003, Revision A, dated March 16, 2017, or later FAA accepted revision, is required.

Compatibility of this modification with other FAA approved modifications, on the specific aircraft being altered, must be evaluated 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.

(Limitations and Conditions continued on Page 3 of 3.)

November 10, 2016 April 4, 2017 A20CE Jim Grigg Manager, Fort Worth Aircraft Certification Office Southwest Region

FAA Form 8110-2 (5/14) Page 2 of

To (Name and address of transferee)

From (Name and address of grantor)

FAA Form 8110-2 (5/14) Page 3 of

Approval of this change in type design applies to the following configurations of aircraft only:

Textron Aviation Inc. (Cessna) 177RG with Lycoming IO-360-A1B6 or IO-360-A1B6D engine Textron Aviation Inc. (Cessna) 177RG with Lycoming IO-360-A1B6 or IO-360-A1B6D engine turbonormalized per STCs SA4081NM and SE4082NM Textron Aviation Inc. (Cessna) 177RG with Lycoming IO-390-A1A6 per STC SA10944SC Textron Aviation Inc. (Cessna) 177RG with Lycoming IO-390-A1A6 per STC SA10944SC and subsequently turbonormalized per STCs SA4081NM and SE4082NM SA09871AC

## Every issue (1)

- April 4, 2017: Issued, Current. [certificate](https://openairdocs.org/files/sha256/44/60/4460937fcecc4ba056ba91649aee08ef36af19f8f0f4ad6a9a67dde27f05ffd7)

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