# STC SA5254SW-D

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC System 40/50 single and two axis automatic flight guidance systems Model ST-214-40/50.
- Applied: September 30, 1983
- Status date: April 13, 1998
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A1CE](https://openairdocs.org/tcds/A1CE)
- Certificate PDF: https://openairdocs.org/files/sha256/13/d1/13d1813b3c20598ccfe01a988678ab5fa0608e56df7f743bb57b58e3b2cb31c8
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0FF7E4F83C86802085256CC2001227E2.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA5254SW-D

## ADs that name it (0)

None.

## Approved models (2)

- Beechcraft Corporation C23 ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))
- Beechcraft Corporation C24R ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))

## What the certificate says

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

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number SAS2545W-D This certificate issued to: S-TEC Corporation One S-TEC Way Mineral Wells Municipal Airport Mineral Wells, TX 76067-9236 Part 3 of the Cid d is Begutations.

Original Product Type Certificate Number: AICE Make: BEECH Model: C23 and C24R Description of Type Design Change:

Installation of S-TEC System 40/50 Single and Two Axis Automatic Flight Guidance Systems, Model ST-214-40/50, according to Bulletin No. 314, Revision 2, dated 4-08-98 and Master Drawing List No. 92240, Revision B, dated 4-08-98 or later FAA Approved revisions of the above data (28 Volt System).

FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89328, dated 12-23-83 is required for Beech Model C24R for S-TEC System 40 or later FAA Approved revisions of the above supplement.

(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.

Date of Application: 9-30-83 Date Reissued:

Date of Issuance: 12-23-83 Date Amended: 3-04-85, 4-13-98, Revision 2 By Direction of the Administrator Wicion Thomes TOMINISTRATO William J. Thomas DAS Staff Coordinator, DAS 5 SW (Title)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA52545W-D, Revision 2 Limitations and Conditions: (con't.)

2. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89329, dated 12-23-83 is required for Beech Model C24R for S-TEC System 50 or later FAA Approved revisions of the above supplement.

3. FAA Approved Supplemental Flight Manual, P/N 89579, dated 3-04-85 is required for Beech Model C23 for S-TEC System 40 or later FAA Approved revisions of the above supplement.

4. FAA Approved Supplemental Flight Manual, P/N 89580, dated 3-04-85 is required for Beech Model C23 for S-TEC System 50 or later FAA Approved revisions of the above supplement.

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

FAA Form 8110-2-1 (10-69) - Page 2 ot 2 This certificate may be transferred in accordance with FAR "J.

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 ) from (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)

- April 13, 1998: Amended, Current. [certificate](https://openairdocs.org/files/sha256/13/d1/13d1813b3c20598ccfe01a988678ab5fa0608e56df7f743bb57b58e3b2cb31c8)

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