# STC SA8402SW-D

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC System 55/55X two axis automatic flight guidance system, Model ST-548
- Applied: July 21, 1994
- Status date: November 20, 2000
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 2A13](https://openairdocs.org/tcds/2A13)
- Certificate PDF: https://openairdocs.org/files/sha256/90/06/90065f16d651e852c0e8feb6f1a582d6a878b26fdf3c5ff013abd8cd7d7d53b2
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6F6973C74A73797E85256CC20058E792.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA8402SW-D

## ADs that name it (0)

None.

## Approved models (4)

- The New Piper Aircraft Inc. PA-28-161 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28-181 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28-236 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28R-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.

ifoaet/fo fit a/ S/le r/tne/iae fji tfH?ast (0f <A«trt«i ratt»p0rfcrftxm - Jlfeberal jA&tatum (Abnttm etratum (Esrttf tcate SA8402SW-D S-TEC Corporation One S-TEC Way Mineral Wells Municipal Airport Mineral Wells, TX 76067-9236 //f asit/ r&/tafofosij fa c .>" a/'/tfe 2A13 Piper PA-28-161, PA-28-181, PA-28-201T, and PA-28-236 MtjW Installation of S-TEC System 55/55X Two Axis Automatic Flight Guidance System, Model ST-548, according to Bulletin No. 648, Revision 11, dated 11-20-00, and Master Drawing List No. 92699, Revision K, dated 11-20-00, (Field Installation) or Master Drawing List No. 92699-1, Revision G, dated 11-20-00 (Piper Factory Installation) or later FAA Approved revisions of the above data (28 Volt System).

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

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.

a fatjttfjta/fc/t //i<< .

• 7-21-94 7-29-94 .• 6-18-98, 10-05-98, 11-20-00 (Signature) Michael Keiman DAS Staff Coordinator. DAS 5 SW (Title)

FAA Form 3110-2(10-68) Page 1 of 3 Tnis certificate may ije transferred in accordance with FAJ? 21.47.

Pnttib ^tatca <§f .JWrica nf 'CEransportaiTOtt - Jifeberai (Afrtaitott JMmrimsiraltnn upptemetttal tEgps (Eerttfttate (OLcmimttatton Limitations and Conditions (con't.)

1. FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891087. dated 7-29-94 for Piper Models PA-28-161, PA-28-181, and PA-28-236 or later FAA Approved revisions of the above supplement.

2. FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891088. dated 7-29-94 for Piper Model PA-28-201T 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 891087. Revision 1, dated 6-18-98 is required for Piper Models PA-28-161, PA-28-181, and PA-28-236 or later FAA Approved revisions of the above supplement.

4. FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891088. Revision 1, dated 6-18-98 is required for Piper Model PA-28-201T or later FAA Approved revisions of the above supplement.

5. FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891752, dated 6-18-98 is required for Piper Model PA-28-181 WITH TRIM MONITOR or later FAA Approved revisions of the above supplement.

6. FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891087. Revision 2, dated 10-05-98 is required for Piper Models PA-28-161, PA-28-181, and PA-28-236 or later FAA Approved revisions of the above supplement.

7. FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891088. Revision 2, dated 10-05-98 is required for Piper Model PA-28-201T or later FAA Approved revisions of the above supplement.

8. FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891752, Revision 1, dated 10-05-98 is required for Piper Model PA-28-181 WITH TRIM MONITOR or later FAA Approved revisions of the above supplement.

9. FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891087. Revision 3, dated 11-20-00 is required for Piper models PA-28-161, PA-28-181, and PA-28-236 for S-TEC System 55/55X or later FAA Approved revisions of the above supplement.

10. FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891088. Revision 3, dated 11-20-00 is required for Piper model PA-28-201T for S-TEC System 55/55X or later FAA Approved revisions of the above supplement.

FAA Form 8110-2-1(10-69) Page 2 of 3

department of ^ransportatTott - Jlfehsrai ^aiatton ^brmmsiraitoit Olcrttftcate SA8402SW-D Limitations and Conditions (con't.)

11. FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891752, Revision 2, dated 11-20-00 is required for Piper model PA-28-181 WITH TRIM MONITOR for S-TEC System 55/55X or later FAA Approved revisions of the above supplement.

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

FAA Form 8110-2-1(10-69) Page 3 of 3

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) (Number and street) (City, State, and ^IP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- November 20, 2000: Amended, Current. [certificate](https://openairdocs.org/files/sha256/90/06/90065f16d651e852c0e8feb6f1a582d6a878b26fdf3c5ff013abd8cd7d7d53b2)

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