# STC SA5185SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC System 40/50 single and two axis automatic flight guidance systems, Model ST-176-40/50.
- Applied: July 7, 1983
- Status date: October 7, 1991
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 2A13](https://openairdocs.org/tcds/2A13)
- Certificate PDF: https://openairdocs.org/files/sha256/08/34/083462f8a904edb2ec471245fe39c0a0a3ad6dfcf5fa178c4dc86813890aba3d
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9FE8959CC4E9C6B685256CC200122750.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA5185SW-D

## ADs that name it (0)

None.

## Approved models (2)

- Piper Aircraft Inc. PA-28RT-201 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- Piper Aircraft Inc. PA-28RT-201T ([TCDS 2A13](https://openairdocs.org/tcds/2A13))

## 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.

•Department of transportation— federal 3triation administration Supplemental l^pe Certificate */U*m0er' SA5185SW-D S-TEC Corporation Rt. 4, Bldg. 946 Wolters Industrial Complex Mineral Wells, Texas 76067 3 Civil Air : 2A13 . PIPER PA-28RT-201 and PA-28RT-201T Installation of S-TEC System 40/50 Single and Two Axis Automatic Flight Guidance Systems, Model ST-176-40/50, according to Bulletin No. 276, Revision 1, dated 4-16-91 and Master Drawing List No. 92204, Revision A, dated 4-16-91 and/or later FAA Approved revisions of the above data (14 Volt System).

1. Only eligible on Models PA-28RT-201, S/N 28R-7918070 & Up and PA-28RT-201T, S/N 28R-7931100 & Up

2. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89226, dated 8-03-83 is required for S-TEC System 40 and/or later FAA Approved revisions of the above supplement.

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

7-07-83 8-03-83 4-29-91, 10-07-91, Revision 2 WilliarrrJ. Thomas DAS Staff Coordinator, DAS 5 SW (Title) Any alteration ofthil certificate it fntnithable fy a. fine of ml exceeding SlflOO, or imprisonment not exceeding 3ytont or both.

Tkit errtiftttt m*y tt tiuufentd in «nr«bw» willt FAX 21.47.

MA •! lO-l(IO-M)

ttratrd Skatu Bcpartmcnt of Transportation— .federal 3tnaoon administration ^Supplemental ICgpe Certificate(Continuation Sheet) SA5185SW-D, Revision 2 Limitations and Conditions (con't.)

3. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89226-1, dated 4-29-91 is required for S-TEC System 40 and/or later FAA Approved revisions of the above supplement.

4. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89227, dated 8-03-83 is required for S-TEC System 50 and/or later FAA Approved revisions of the above supplement.

5. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89227-1, dated 4-29-91 is required for S-TEC System 50 and/or later FAA Approved revisions of the above supplement.

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

•I HI alteration of this certificate is punishable by a fait of not exceeding SI,000, or imprisonment not exceeding 3 years, or bnih.

AA FORM itio-J-i (to-M) Tlai cettifeatt may bt trmsftmd in aetatdaati with FAR -'/.^* PAGE 2 OF 2 PAGES

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, Slate, and £IP code) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) (City, Stale, and <7/> code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):.

U.S. GOVERNMENT PRINTING OFFICE : I 96« OF —205-579

## Every issue (1)

- October 7, 1991: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/08/34/083462f8a904edb2ec471245fe39c0a0a3ad6dfcf5fa178c4dc86813890aba3d)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.