# STC SA00246BO

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Aerodyme Corp, United States
- Description: Installation of a Lycoming IO-540-T4B5 engine.
- Applied: October 23, 2006
- Status date: December 4, 2006
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21, Part 23
- Data sheets: [TCDS A12SO](https://openairdocs.org/tcds/A12SO)
- Certificate PDF: https://openairdocs.org/files/sha256/95/40/954008e47d4df307954bb9e7cbe0bd15c13ce05cf874c3dd4827bfeaef8a7e4b
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/5524613DB4014BDF8625723C0059F90F.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA00246BO

## ADs that name it (0)

None.

## Approved models (2)

- Commander Aircraft Company 114 ([TCDS A12SO](https://openairdocs.org/tcds/A12SO))
- Commander Aircraft Company 114A ([TCDS A12SO](https://openairdocs.org/tcds/A12SO))

## 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.

This Certificate issued to Aerodyme Corp.

274 Valley Road South Burlington, VT 05403

Part 23 of the Federal Aviation Regulations.

Original Product Type Certificate Number : A12SO Make : Commander Model : 114, 114A

Installation of a Lycoming IO-540-T4B5 engine in accordance with Aerodyme IO-540 Engine Supersedure Installation Instructions, dated November 2, 2006, or later FAA-approved revisions.

1. This installation is to be maintained in accordance with Aerodyme IO-540 Engine Supersedure Instructions for Continued Airworthiness, dated November 2, 2006, or later FAA-approved revisions.

2. Compatibility of this design change with previously approved modifications must be determined by the installer.

If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Date of application : October 23, 2006

Date of issuance : December 4, 2006 Date reissued :

( Signature) Robert G. Mann Manager Boston Aircraft Certification Office

( Title)

FAA Form 8110-2-1(10-69) Page 2 of 2

Number SA00246BO

Certification Basis:

The certification basis for this STC as shown on TCDS A12SO is:

FAR 23, effective February 1, 1965, including Amendments 1 thru 7. FAR 36, effective February 3, 1975, Models 114, 114A, 114B and 114TC.

This STC amends the Model 114 and Model 114A listings on TCDS A12SO as follows:

Engine Lycoming IO-540-T4B5

-END-

## Every issue (1)

- December 4, 2006: Issued, Current. [certificate](https://openairdocs.org/files/sha256/95/40/954008e47d4df307954bb9e7cbe0bd15c13ce05cf874c3dd4827bfeaef8a7e4b)

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