# STC SE09773SC

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Texas Skyways Inc, United States
- Description: Modification of Teledyne Continental Motors O-470-U engine.
- Applied: August 31, 2000
- Status date: March 6, 2002
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS E-273](https://openairdocs.org/tcds/E-273)
- Certificate PDF: https://openairdocs.org/files/sha256/eb/e7/ebe782a038fe84065396cc39daeeae5244fe18c42cd72f0f1071893aab22a4e1
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9D35047E9795E95685256CC2005A741A.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SE09773SC

## ADs that name it (0)

None.

## Approved models (1)

- Teledyne Continental Motors O-470-U ([TCDS E-273](https://openairdocs.org/tcds/E-273))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Project No. ST6458SC-E (RDK) Number: SE097135C This certificate issued to: Texas Skyways, Inc 308 Boerne Stage Airfield Boerne, TX 78006 Certifies that the change in the type design for the following product with the limitations and conditions therofor as specified hereon meet's the airvorthiness requirement's of Part 13 of the Civil Air Poegulations.

Original Product Type Certificate Number: E-273 Make: Teledyne Continental Make: 0-470-U Description of Type Design Change: Modification of Teledyne Continental Motors 0-470-U engine to a Texas Skyways, Inc. O-520-U/TS engine in accordance with Texas Skyways, Inc. Drawing Number TS000105, Revision B, dated March 6, 2002, or later FAA approved revision.

Limitations and Conditions: 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: August 31, 2000 Date Reissued:

Date of Issuance: March 06, 2002 Date Amended:

FEDERA AVIATION By Direction of the Administrator Ma Lum fe ignatur S. Frances Cox TOMINISTRATO Manager, Special Certification Office Southwest Region (Title)

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) _ (Address of transferee) (1391)s pro sequens) (po die papers de)) from (Name of grantor) (Print or type) (Address of grantor) I Number and streel;

(City, Stake, and ZIP code) Extent of Authority (if licensing agreement):

Date of Transfer: - Signature of grantor (In ink):.

1040-949-170

## Every issue (1)

- March 6, 2002: Issued, Current. [certificate](https://openairdocs.org/files/sha256/eb/e7/ebe782a038fe84065396cc39daeeae5244fe18c42cd72f0f1071893aab22a4e1)

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