What it approves
Installation of Lycoming O-320 and O-360 series engine with Hartzell propeller.
What the certificate says
From the PDF’s text layer, without the form’s printed wording. Layout and order may 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)
ADs that name this STC · 1
An AD can apply because an STC is installed, or mention one in its text.
Approved models · 10
| Make | Model | Data sheet |
|---|---|---|
| Textron Aviation Inc. | 172B | 3A12 |
| Textron Aviation Inc. | 172C | 3A12 |
| Textron Aviation Inc. | 172D | 3A12 |
| Textron Aviation Inc. | 172E | 3A12 |
| Textron Aviation Inc. | 172F (USAF T-41A) | 3A12 |
| Textron Aviation Inc. | 172G | 3A12 |
| Textron Aviation Inc. | 175 | 3A17 |
| Textron Aviation Inc. | 175A | 3A17 |
| Textron Aviation Inc. | 175B | 3A17 |
| Textron Aviation Inc. | 175C | 3A17 |
Every issue · 3
DRS keeps each issue of an STC as its own record, with its own certificate and attachments.
| Date | Status | Files |
|---|---|---|
| April 6, 2019 | Reissued, current | Certificate |
| February 20, 2018 | Reissued, earlier issue | Certificate |
| April 1, 1969 | Reissued, earlier issue | Certificate |