# STC SA7209SW-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC System 60 Two Axis Automatic /Flight Guidance System with Optional Autotrim System Model ST-314.
- Applied: June 16, 1990
- Status date: April 6, 1990
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A6CE](https://openairdocs.org/tcds/A6CE)
- Certificate PDF: https://openairdocs.org/files/sha256/bd/dd/bdddde5bdca48bc3b56087c0f7d3fe2b9acade991663b0defed0271362a449ab
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3B056F4F9B71DE3B85256CC20056A20A.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA7209SW-D

## ADs that name it (0)

None.

## Approved models (12)

- The Cessna Aircraft Company 337D ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- The Cessna Aircraft Company 337E ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- The Cessna Aircraft Company 337F ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- The Cessna Aircraft Company 337G ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- The Cessna Aircraft Company 337H ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- The Cessna Aircraft Company P337H ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- The Cessna Aircraft Company T337D ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- The Cessna Aircraft Company T337E ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- The Cessna Aircraft Company T337F ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- The Cessna Aircraft Company T337G ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- The Cessna Aircraft Company T337H ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- The Cessna Aircraft Company T337H-SP ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))

## What the certificate says

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

Anita States • A cric Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA72095W-D This certificate issued to: S-TEC Corporation Rt. 4, Bldg. 946 Wolters Industrial Complex *Mineral Wells, Texas 76067 Part 23 of the Federal Aviation Rogulations:

Original Product Type Contificate Numben: AGCE Make: Cessna Model: 337D, T337D, 337Е, T337Е, 337F, T337F, 337G, T337G 337H, P337H, Т337H, Т337H-SP Description of Type Design Change: .

Installation of S-TEC System 60 Two Axis Automatic Flight Guidance System with Optional Autotrim System Model ST-314, according to Bulletin No. 414, dated 3-14-90 and Master Drawing List No. 92503, dated 3-14-90 and/or later FAA Approved revisions of the above data (28 Volt System).

1. Also eligible on the above models when modified per STC SA937CE (Horton STOL Craft Conversion).

2. Also eligible on the above models when modified per STC SA1627WE (Robertson STOL Conversion).

vendered, suspended, revoked, or a termination date is horvise established by the Idministrator of the Federal Aviation Administration .

Date of Application: 3-16-90 Daloveissued:

Date of Issuance: 4-06-90 Date Amended:

FEDERAL AVIAT By Direction of the Administrator Gasold N iSoldeman (Signature) T MINISTRATION Harold W. Holdeman DAS Staff Coordinator, DAS 5 SW

47.

тАЛ коки 81 10-2 (10-68)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA7209SW-D Limitations and Conditions: (con't.)

3. 1558, 394, 5634, 735 and 394:59 en edificed Per St SAl 9 5.

(Robertson STOL Conversion) and/or later FAA Approved revisions of the above supplement.

4. FAA/DAS Approved Supplemental Flight Manual, P/N 89846, dated 4-06-90 is required for Cessna Models 337D, T337D, 337E, T337E, 33/F, 1337F, 33/G, 133/G, 33/H, P33/N, 1337H and T337H-SP And The Above Models When Modified Per STC SA937CE (Horton STOL Craft Conversion) and/or later FAA Approved revisions of the above supplement.

5. Compatability of this modification with other previously approved modifications must be determined by the installer.

47.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, State, and ZIP code) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) (City, State, and ZIP code) Exent of Authority (if licensing agreement) :

Signature of grantor (In ink) :

## Every issue (1)

- April 6, 1990: Issued, Current. [certificate](https://openairdocs.org/files/sha256/bd/dd/bdddde5bdca48bc3b56087c0f7d3fe2b9acade991663b0defed0271362a449ab)

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