# STC SA7802SW-D

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC system 65 two axis automatic flight guidance system, model ST-472.
- Applied: July 12, 1991
- Status date: March 20, 1995
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A9EA](https://openairdocs.org/tcds/A9EA)
- Certificate PDF: https://openairdocs.org/files/sha256/6f/21/6f2136df81c3ece0bbfc1b047c5ba429b39c7681910212a50d729cc3a9a43acb
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/EF925D46066F3C4785256CC20056A4AD.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA7802SW-D

## ADs that name it (0)

None.

## Approved models (3)

- Bombardier-Rotax GmbH DHC-6-100 ([TCDS A9EA](https://openairdocs.org/tcds/A9EA))
- Bombardier-Rotax GmbH DHC-6-200 ([TCDS A9EA](https://openairdocs.org/tcds/A9EA))
- Bombardier-Rotax GmbH DHC-6-300 ([TCDS A9EA](https://openairdocs.org/tcds/A9EA))

## 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.

flood 3tata a 3amca Bepartmrot of Transportation—jfotaal atriation administration Supplemental 'Cgpe Certificate tsuvrrvvw SA7802SW-D S-TEC Corporation 946 Pegram Mineral Wells, TX 76067 ^ ClVl'l Air : A9EA .- DeHavilland .- DHC-6-100, DHC-6-200, and DHC-5-300 Installation of S-TEC System 65 Two Axis Automatic Flight Guidance System, Model ST-472, according to Bulletin No. 572, Revision 1, dated 3-14-95 and Master Drawing List No. 92547, Revision A, dated 3-14-95 with Optional Flight Director/Steering Horizon or FAA Approved revisions of the above data (28 Volt System).

1. Only eligible on Models DHC-6-100 and DHC-6-200 when modified per DHC Mod 6/1077 (Nose Extension).

(See Continuation Sheet, Page 2, a part of this STC.)

^^4<yyi«M&^ ^,^t«^e*^^^ C*tft ...jnHrt'- 3L*.»~*S~(: 3-20-95, Revision 1 William J. Thomas DAS Staff Coordinator, DAS 5 SW Any alteration tftkii artifieate u fninishablt by a fine of not excttding tljDOO, or imprisonment not exteeding 3 ytan, or both.

Ttit ttftijttttf muy be ttvujtm* m wnrdbHcr mlk FAR 21.17.

Starts of 3nrnra Btpartmtnt of Transportation— .federal SLOiation 3dministration Supplemental t^pe Certificate((Tantinuation £tat) SA7802SW-D, Revision 1 Limitations and Conditions (con't.)

2. FAA/DAS Approved Airplane Flight Manual Supplement, P/N 89933, dated 7-19-91 is required for DeHavilland Models DHC-6-100 and DHC-6-200 When Modified Per DHC Mod. 6/1077 (Nose Extension) or later FAA Approved revisions of the above Supplement.

3. FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891154, dated 3-20-95 is required for DeHavilland Model DHC-6-300 or later FAA Approved revisions of the above Supplement.

4. Compatibility of this modification with other previously approved modifications must be determined by the installer.

.Ini alteration of this certified!* if puntshablt by ajau of not excttding tl,000, or imprisonment not txceeding 3 ytars, or haih.

FAA FORM iiio.2-1 do**) TUt arlifitatt mty kt trtmftmd in octordanet unth fAH .7.V~.

**PAOC 2 OP 2 PACKS**

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) {Number and street) (City, State, and ^1P code) from (Name of grantor) (Print or type) (Address of grantor) {.Witmhfr attfi street) ( Cilr. Slnle. and ^_IP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- March 20, 1995: Amended, Current. [certificate](https://openairdocs.org/files/sha256/6f/21/6f2136df81c3ece0bbfc1b047c5ba429b39c7681910212a50d729cc3a9a43acb)

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