What it approves
Lycoming O-340-A1A engine and Hartzell HC-82XG-1DB/8433-12 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.
This certificate issued to
Part 3 of the Civil Air Regulations.
1. Lycoming O-340-A1A engine, together with the standard Lycoming accessories, replaces the Continental C-145 originally installed;
2. Constant-speed Hartzell propeller, HC-82XG-1DB/8433-12, replaces the fixed-pitch McCauley propeller. Installation must be made in accordance with Doyn Aircraft “Kit Installation” Drawing No. 1099.
Compatibility of this modification with other previously approved modifications must be determined by the installer.
D’Shannon Products, Ltd.
1309 County Road 134 Buffalo, MN 55313 3A12 Make : Cessna Model : 172 Date of application :
Date of issuance : November 15, 1957
Date reissued : 1/25/66; 5/17/78; 5/12/11; 7/14/11
( Signature) Melvin D. Taylor Manager Atlanta Aircraft Certification Office
( Title)
ADs that name this STC · 2
An AD can apply because an STC is installed, or mention one in its text.
Approved models · 1
| Make | Model | Data sheet |
|---|---|---|
| Cessna Aircraft Company | 172 | 3A12 |
Every issue · 2
DRS keeps each issue of an STC as its own record, with its own certificate and attachments.
| Date | Status | Files |
|---|---|---|
| July 14, 2011 | Reissued, current | Certificate |
| May 12, 2011 | Reissued, earlier issue | Certificate |