What it approves
Replacing Continental IO 470 M Engines with Continental IO 520 E engines rated at 300hp for takeoff 285hp continuous, and the installation of Hartzell 3 bladed propellers. EHC A3VF-2B/7636D.
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.
SA340SO Mike Jones Avionics & Maintenance 1926 Memorial Blvd.
Murfreesboro, TN 37129 Part 3 Civil Air Regulations 6A1 Aero Commander 500A Approval of this change in type design applies basically to the standard Aero Commander model 500A aircraft only. This approval should not be extended to other aircraft of the same model on which other approved modifications have been made unless it has first been determined that the interrelationships between these various modifications will have (continued on page 3).
12/08/1965 12/28/2010 04/18/1966 05/03/1966 Michael P. Linegang Manager, East Certification Branch 3 Replacing Continental IO 470 M Engines with Continental IO 520 E engines rated at 300hp for takeoff 285hp continuous, and the installation of Hartzell 3 bladed propellers. EHC A3VF-2B/7636D.
Items required; (1) AFM Supplement "Aero Commander 500A, Super 300 (continued on page 3).
SA340SO 3
SA340SO Description of Type Design Change (cont.)
(modified), Colemill Enterprises, Inc., dated April 18, 1966, (2) hydraulic pumps Aero Commander P/N 4790222 (Eastern Industries), and (3) vacuum pumps, Aro Equipment Corp.
P/N 2127 (Aero Commander P/N 4850176)
Limitations and Conditions (cont.)
no adverse effect on the airworthiness of the aircraft.
Certification Basis: CAR 3 dated May 15, 1956, and Amendments 3-3 and 3-4.
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ADs that name this STC · 0
An AD can apply because an STC is installed, or mention one in its text.
Approved models · 1
| Make | Model | Data sheet |
|---|---|---|
| Twin Commander Aircraft Corporation | 500 Series | 6A1 |
Every issue · 2
DRS keeps each issue of an STC as its own record, with its own certificate and attachments.
| Date | Status | Files |
|---|---|---|
| December 28, 2010 | Issued, current | Certificate |
| April 18, 1996 | Issued, earlier issue | Certificate |