# STC SA610SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: General Aviation Concepts, United States
- Description: Installation of Lycoming O-320 and O-360 series engine with Hartzell propeller.
- Applied: September 9, 1965
- Status date: April 6, 2019
- Product: Aircraft, Small Airplane
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS 3A12](https://openairdocs.org/tcds/3A12), [TCDS 3A17](https://openairdocs.org/tcds/3A17)
- Certificate PDF: https://openairdocs.org/files/sha256/3a/6a/3a6a42055de71c708d94e13ca843bf53ec657e010218f539b33c43bf13dd6f92
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A5C3BF9DBAA88EA386258432005E1E9C.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA610SW

## ADs that name it (1)

- [AD 82-07-02](https://openairdocs.org/ad/82-07-02): Engine Crankcase Breather · Lycoming O-360-A1A engine and Hartzell HC-C2YK-1B/7666A-2… (Avcon Industries STC SA1324CE or 14 others). Effective Apr 8, 1982. Named in the applicability

## Approved models (10)

- Textron Aviation Inc. 172B ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172C ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172D ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172E ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172F (USAF T-41A) ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172G ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 175 ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- Textron Aviation Inc. 175A ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- Textron Aviation Inc. 175B ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- Textron Aviation Inc. 175C ([TCDS 3A17](https://openairdocs.org/tcds/3A17))

## 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 Aviation Regulations.

Description of Type Design Change: Install Lycoming O-320 or O-360 Series engine with Hartzell HC-82XL-7636D-4 propeller according to RFB Company, Inc. data on Drawing Lists of December 2, 1966, Revision C, dated November 12, 1967; install Lycoming O-360-B2A engine and Sensenich M-74-DM-0-60 propeller according to Drawing List Revision D, dated October 14, 1968.

Limitations and Conditions: Installation of Lycoming O-320-B2A engine and Sensenich M-74-DM-0-60 propeller restricted to Cessna Model 175A, Serial No. 56330, Registration No. N6830E, only.

The installer must determine whether this design change is compatible with previously approved modifications. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission

Date of application: September 9, 1965 Date of issuance: January 17, 1967

General Aviation Concepts 3033 Taxilane A North Pole, AK 99705 3A12, 3A17 Cessna 172B, S/N 17247747 and up, -C, -D, -E, -F, -G;

175, 175A, 175B, and 175C Date reissued: February 20, 2018; April 6, 2019 Date amended: September 20, 1967; March 15, 1968;

April 1, 1969

(Signature) August A. Asay Manager, Anchorage ACO Branch

(Title)

## Every issue (3)

- April 6, 2019: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/3a/6a/3a6a42055de71c708d94e13ca843bf53ec657e010218f539b33c43bf13dd6f92)
- February 20, 2018: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/55/63/55638c0057c7d1fb8116d096ca887132fc22a8a7d86b672f79e74a902a43688d)
- April 1, 1969: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/a8/ba/a8ba8bec8d536ba91e62500b2bb791ad1463122f223de89607b0a234b74da55f)

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From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.