# STC SA5198SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC System 60 two axis automatic flight guidance system Model ST-024.
- Applied: August 19, 1983
- Status date: March 3, 1986
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A24](https://openairdocs.org/tcds/3A24)
- Certificate PDF: https://openairdocs.org/files/sha256/12/8d/128d7d97ca04143b97de67536424c4a49f2161c5ffc14b83b72f21029f2612e2
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E9BFDBAD68D1415C85256CC20012276E.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA5198SW-D

## ADs that name it (0)

None.

## Approved models (8)

- Cessna Aircraft Company 185 ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- Cessna Aircraft Company 185A ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- Cessna Aircraft Company 185B ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- Cessna Aircraft Company 185C ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- Cessna Aircraft Company 185D ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- Cessna Aircraft Company 185E ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- Cessna Aircraft Company A185E ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- Cessna Aircraft Company A185F ([TCDS 3A24](https://openairdocs.org/tcds/3A24))

## What the certificate says

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

Aniceu Scares of Suerica Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA51985W-0 This certificate issued to: S-TEC Corporation Route 4, Building 946 wolters Industrial Complex Mineral Wells, TX 76067 Part 3 of the CIVIl Air Pegulations Original Product - Type tertificate Numben: ЗА24 Make: CESSNA Model: 185, 185A, 185B, 185C, 185D, 185E, A185E AND A185F Description of Type Design Change:

Installation of S-TEC System 60 Two Axis Automatic Flight Guidance System, Model SI-024, according to bulletin No. 127, Revision 8, dated 12-30-85 and Master Drawing List No. 9224, Revision H, dated 12-30-85 and/or later FAA Approved revisions of the above data, (14 Volt System).

1. Also Eligible on the above models when modified in accordance with STC SA2529WE.

(Internal Tip Tanks), and/or STC SA1441WE (Robertson STOL Conversion) (Landplane and Floatplane Configurations).

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

Date of Application: 8-19-83 Dalurissued: 10-26-83, 3-03-86, Revision 2 Date of Issuance: . 8-29-83 Date Amended:

EDERAL AVIATION By Direction of the Administrator carlos 79. 74enon (Signature, *MINISTRATION DAS Staff Coordinator, DAS 5 SW farold w. Holdemar (Title)

47.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA51935W-D, Revision 2 Limitations and Conditions: (con't)

2. FAA Approved Supplemental Flight Manual, P/N 8921-1, dated 8-29-83 is required for Cessna Models 185, 185A, 185B, 185C, 185D, 185E, A185E and A185F, S/N SA2529WE (Wing Tip Tanks-Internal) Landplane Only, and/or later FAA Approved revisions of the above supplement.

3. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 8931-1, dated 8-29-83 is required for Cessna Model A185F, S/N 18503684 and on, and the above model when modified in accordance with STC SA2529WE (Wing Tip Tanks-Internal) Landplane Only, and/or later FAA Approved revisions of the above supplement.

4. FAA Approved Supplemental Flight Manual, P/N 8921-2, dated 10-26-83 is required for Cessna Models 185, 185A, 185B, 185C, 185D, 185E, A185E and A185F, S/N 18503683 and below, and the above models when modified in accordance with STC SA2529WE (Wing Tip Tanks-Internal) and/or STC SA1441WE Robertson STOL Conversion, (Landplane and Floatplane), 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 8931-2, dated 10-26-83 is required for Cessna Model A185F, S/N 18503684 and on, and the above model when modified in accordance with STC SA2529WE (Wing Tip Tanks-Internal),_and/or STC SA1441WE Robertson STOL Conversion, (Landplane and Floatplane)s and/or later FAA Approved revisions of the above supplement.

6. FAA Approved Supplemental Flight Manual, P/N 8921-3, dated 3-03-86 is required for Cessna Models 185, 185A, 185B, 185C, 185D, 185E, A185E and A185F, S/N 18503683 and below, and the above models when modified in accordance with STC SA2529WE (Wing Tip Tanks-Internal) and/or STC SA1441WE Robertson STOL Conversion, (Landplane and Floatplane), and/or later FAA Approved revisions of the above supplement.

7. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 8931-3, dated 3-03-86 is required for Cessna Model A185F, S/N 18503684 and on, and the above model when modified in accordance with STC SA2529WE (Wing Tip Tanks-Internal), and/or STC SA1441WE Robertson STOL Conversion, (Landplane and Floatplane), and/or later FAA Approved revisions of the above supplement.

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

**47 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, State, and ZIP code ) trom (Name of grantor) (Print or type).

(Address of grantor) (Number and street ) (City, State, and ZIP code ) Extent of Authority (if licensing agreement):

Date of Transfer: - Signature of grantor (In ink):

U.S. GOVERNMENT PRINTING OFFICE: 1966 OF-205-579

## Every issue (1)

- March 3, 1986: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/12/8d/128d7d97ca04143b97de67536424c4a49f2161c5ffc14b83b72f21029f2612e2)

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