What it approves
Installation of the following: Engines: Lycoming IO-540-A1A5 or Lycoming IO-540-G1A5; Propellers: Hartzell HC-A3XK-2C/8433-10 or HC A3XK-2B/7636D-4; Data required: Doyn approved Drawing List 2200.
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.
Installation of the following: Engines: Lycoming IO-540-A1A5 or Lycoming IO-540-G1A5; Propellers: Hartzell HC-A3XK- 2C/8433-10 or HC—A3XK-2B/7636D-4; Data required: Doyn approved Drawing List 2200.
Doyn Airplane Flight Manual Supplement dated November 15, 1963, for Lycoming IO-540-A1A5 engines & Hartzell HC-A3XK- 2C/8433-10 propellers; Doyn Airplane Flight Manual Supplement dated September 23, 1964, for all items listed on this STC. See applicable Flight Manual Supplement for additional limitations.
Fuel Filler Placard: Change Octane to 100/130.
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 1A10 Make : Piper Model : PA-23-250 Date of application : August 7, 1963
Date of issuance : November 15, 1963
Date reissued : 1/25/66; 5/17/78; 3/9/79; 5/12/11; 7/14/11
Date amended : 1/9/64; 9/23/64
( Signature) Melvin D. Taylor Manager Atlanta Aircraft Certification Office
( Title)
ADs that name this STC · 1
An AD can apply because an STC is installed, or mention one in its text.
Approved models · 1
| Make | Model | Data sheet |
|---|---|---|
| Piper Aircraft Inc. | PA-23-250 (Navy UO-1) | 1A10 |
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 |