# STC SA5147SW-D

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC System 60 pitch stabilization system ST-125 with optional automatic electric trim system.
- Applied: December 10, 1982
- Status date: November 28, 1984
- Product: Aircraft, Single-Engine
- Certification basis: Part 1, Part 21
- Data sheets: [TCDS A1CE](https://openairdocs.org/tcds/A1CE)
- Certificate PDF: https://openairdocs.org/files/sha256/3f/83/3f8353c7788b90c319f688525bd885f5fca2519d55e8c16efa99719620b5cea6
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3C87FCF401A178AE85256CC2001226FD.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA5147SW-D

## ADs that name it (0)

None.

## Approved models (10)

- Beechcraft Corporation 23 ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))
- Beechcraft Corporation A23 ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))
- Beechcraft Corporation A23-24 ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))
- Beechcraft Corporation A23A ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))
- Beechcraft Corporation A24 ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))
- Beechcraft Corporation A24R ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))
- Beechcraft Corporation B23 ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))
- Beechcraft Corporation B24R ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))
- Beechcraft Corporation C23 ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))
- Beechcraft Corporation C24R ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))

## 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.

tinted &tatu of amenta Bcpartmtnt of Transportation —federal 2toiation administration Supplemental t^pe Certificate SA5147SW-D S-TEC Corporation Rt. 4, Bldg. 946 Welters Industrial Complex Mineral Wells, TX 76067 ^a* * ClVM Air aMan-nA .

Al C E BEECH C23 , A24R, B24R, C24R, 23, A23, A23A, A23-24, B23 AND A24 njz& .

Installation of S-TEC System 60 Pitch Stabilization System, Model ST-125 with Optional Automatic Electric Trim System according to Bulletin No. 225, Revision 1, dated 10-10-84 and Master Drawing List No. 92164, Revision A, dated 10-10-84 and/or later FAA Approved revisions of the above data (14 Volt System),

1. Eligible only on Beech Models 23, A23, A23A, A23-24, B23 and A24 when modified in accordance with Beech Service News Letter Volume XX, No. 11 and Beech Service Instructions No. 0253-151.

2. Optional Automatic Electric Trim System not eligible on Beech Model A24R.

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

12-10-82 Q)^**^^ ': 11-28-84, Revision 1 (Signature) Harold W. Holdeman DAS Staff Coordinator, DAS 5 SW _ ^^ Any alteration of this certificalr is punishable by a fine of not txettding $1,000, or imprisonment not exceeding 3 years, or '1 k.s certificate may tx transftrrid in accvrd-.nrt inith FAR ?1.47.

[O«M 81 10-2(ia-63)

linitrd £tat« of Btpartmtnt of ICransportation— federal aoiation administration supplemental IKgpe Certificate(Continuation £heet) SA5147SW-D, Revision 1 Limitations and Conditions (con't)

3. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89178, dated 3-22-83 is required for Beech Model A24R (without autotrim) 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 89179, dated 3-22-83 is required for Beech Models B24R and C24R and/or later FAA Approved revisions of the above supplement.

5. FAA Approved Supplemental Flight Manual, P/N 89534, dated 11-28-84 is required for Beech Model C23 and Models 23, A23, A23A, A23-24, B23 and A24 when modified in accordance with Beech Service News Letter Volume XX, No. 11 and Beech Service Instructions No. 0253-151 and/or later FAA Approved revisions of the above supplement.

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

•:''.:n i,J this i'erlif.caif is f>:tr:; .hable by a jint nj r; .! rxitfling SI,000, nr imprisonment nut ..•- f ORM aiiy-2-i do-69) This cirtifu'att m.i> fit liamjtm,! in acc.irdiiru-t LI ilk /.I/-.' -'/ ' 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 <JP code) from (Name of grantor) (Print or type) .

(Address of grantor) (Number and street) (City, State, and <7/> code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

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

## Every issue (1)

- November 28, 1984: Amended, Current. [certificate](https://openairdocs.org/files/sha256/3f/83/3f8353c7788b90c319f688525bd885f5fca2519d55e8c16efa99719620b5cea6)

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