# STC SA7211SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC System 60 single axis automatic flight guidance system, model ST-277.
- Applied: April 3, 1990
- Status date: October 15, 1990
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A16EA](https://openairdocs.org/tcds/A16EA)
- Certificate PDF: https://openairdocs.org/files/sha256/95/00/9500b2ce614f7b38d228b755343559a7d77dcecdbf1717b824af4d105087a1b5
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/1830A060B6CCC5D285256CC20056A211.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA7211SW-D

## ADs that name it (0)

None.

## Approved models (1)

- Tiger Aircraft LLC AG-5B ([TCDS A16EA](https://openairdocs.org/tcds/A16EA))

## 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.

m 9JKHC8 Bepartmnit of Transportation —federal atriation administration Supplemental Hugpe Certificate tSuvrrvvev SA7211SW-D S-TEC Corporation Rt. 4, Bldg. 946 Wolters Industrial Complex Mineral Wells, Texas 76067 23 y^k Federal Aviation A16EA

GULFSTREAM AEROSPACE AG-5B Installation of S-TEC System 60 Single Axis Automatic Flight Guidance System, Model ST-455, according to Bulletin No. 555, Revision 1, dated 10-04-90 and Master Drawing List No. 92507, Revision A, dated 10-04-90 and/or later FAA Approved revisions of the above data (28 Volt System).

1. FAA/DAS Approved Supplemental Flight Manual, P/N 89851, dated 4-13-90 is required for Gulfstream Aerospace (Grumman American) Models AA-5, AA-5A, and AA-5B and/or later FAA Approved revisions of the above supplement.

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

_^«^r^5r^.4^/yi*>»^>t^,*z^<^,«Vti<y£.^,^^,/*i<l^y2^,^^^ -£e^Tn*^a/i^i>da&^j>£rifrw<^^A£a6&iA*d^y *£&£ JXamintA 4-03-90 3L&.*~u~J: 10-15-90, Revision 1 4-13-90 (Signature^ Harold W. Holdeman DAS Staff Coordinator, DAS 5 SW (Title) Any alteration of I hit certificale is punishable by a fine of not exceeding SI,000, or imprisonment not exceeding 3 years, or both.

nit ctrtijlcale may be traruferriJ m accordance with FAR 21.17.

fAAFo*. II)»-}(10-41)

ttnitrd Statrs of 3mtnra Bepartmcnt of Transportation— Jfederal Sdiation administration Supplemental t^pe Certificate(Continuation £heet) SA7211SW-D, Revision 1 Limitations and Conditions (con't.)

2. FAA/DAS Approved Supplemental Flight Manual, P/N 89851-1, dated 10-15-90 is required for Gulfstream Aerospace Model A6-5B and/or later FAA Approved revisions of the above supplement.

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

.-I'M iiitfrtitiun nf this certificate is punishable by a fine of not exceeding 11,000, or imprisonment not exceeding j rears, nr hnih.

FAA FORM ano-2-1 (io-s») Thit ctrtificati may bi trans/crrtd in accordant! with l-'.-IR .'l.-l?

INSTRUCTIONS : The transfer endorsement below may be used to notify the appropriate FAA Regional Office of the transfer of this Supplemental Type Certificate.

The FAA will reissue the certificate in the name of the transferre and forward it to him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to ($(ame of transferee) __ (Address of transferee) (y^anier anf street) (City, State, anCZlf cade) from (9*(ame of grantor) (Trint or type) _ (Address of grantor) (9{um6er and street) (City, State, aniZVP axle) Exent of Authority (if licensing agreement) :

Signature of grantor (In inQ : _ Page 2 of 2

## Every issue (1)

- October 15, 1990: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/95/00/9500b2ce614f7b38d228b755343559a7d77dcecdbf1717b824af4d105087a1b5)

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