# STC SA09060SC

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Texas Skyways Inc, United States
- Description: Install Teledyne Continental GTSIO-520-D engine.
- Applied: May 24, 1995
- Status date: July 10, 1995
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A7CE](https://openairdocs.org/tcds/A7CE)
- Certificate PDF: https://openairdocs.org/files/sha256/57/e3/57e38fd1823322d27560e35a396e628b67621df0a9f5051cc782bb180221b560
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/74EB4FB5ACEB5A0D85256CC1007F39B8.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA09060SC

## ADs that name it (0)

None.

## Approved models (2)

- Cessna Aircraft Company 421 ([TCDS A7CE](https://openairdocs.org/tcds/A7CE))
- Cessna Aircraft Company 421A ([TCDS A7CE](https://openairdocs.org/tcds/A7CE))

## 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.

Pwiteft ^States <©f of ^Transportation - $eberal JX&iation jAommtstratton (EeritficaiiProject No. ST3917SC-A (KAW) SA09060SC Texas Skyways, Inc.

308 Boerne Stage Airfield Boerne, TX 76006 Air Civil A7CE Cessna 421,421A Install Teledyne Continental GTSIO-520-D engine modified under STC SE09058SC in accordance with Texas Skyways, Inc. Installation Procedures SK421A, dated 05/01/95, or later FAA approved revision.

Compatibility of this design change with previously approved modifications must be determined by the installer. A copy of this Certificate must be maintained as part of the permanent records for the modified aircraft.

- May 24, 1995 .- July 10, 1995 (Signature) A. J. Merrill Manager, Special Certification Office Southwest Region (Title)

FAA Form 8110-2(10-68) This certificate may be transferred in accordance with FAR 21,47.

INSTRUCTIONS: The ti'ansfff pndt-'irsfmc nt b--luw may tif listed to untiiy t IIP H[j|jL-ijjjr 1,-itt- FAA Regional Office of thf tt'^nsffL' of t he ^upplement ii 1 Type ^ertificdt^.

The FAA will reissue the- oert ificdt f in the njme o£ tlif t I'diisffffe -ni'id furwdf'1 jt "•: linn.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Cectificate Number to (Name of transferee} (.Address of transferee] __ __ __ __ __ (Number and street] [Cjry, sr.ite, and 2IP oodej from (Warns of grantor)(Print or type!

(Address of grantor) (Number & street) (City, :;tnle, and ZIP codr* \ Extent of Authority (if licensing agreement):

Signature of grantor (In ink}

## Every issue (1)

- July 10, 1995: Issued, Current. [certificate](https://openairdocs.org/files/sha256/57/e3/57e38fd1823322d27560e35a396e628b67621df0a9f5051cc782bb180221b560)

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