# STC SA5142SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC System 60 pitch stabilization system Model ST-122 with optional automatic electric trim system.
- Applied: October 27, 1982
- Status date: March 15, 1985
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A1CE](https://openairdocs.org/tcds/A1CE)
- Certificate PDF: https://openairdocs.org/files/sha256/e7/ff/e7ff9b02348511137e7bd1091799b3063e75daefd84e68720344d0431e5d330e
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/ECB69C282B2E5CF585256CC2001226F5.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA5142SW-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

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.

taMi faftaj Hracrd gtatu of aatrica Bcpartment of Importation -federal Station administration Supplemental t^pc Certificate SA5142SW-D ria* * —— './ySi<f ^e/r£&ca/e'<- S-TEC Corporation Rt. 4, Bldg. 946 Wolters Industrial Complex Mineral Wells, TX 76067 ftf J&e- Jcttloit'ina Awcui *&4j4ttni A 1 C E BEECH C23 and C24R L1V1 I Air ^. / 4A*a, Installation of S-TEC System 60 Pitch Stabilization System, Model ST-122, with Optional Automatic Electric Trim System according to Bulletin No. 222, Revision 1, dated 12-20-84 and Master Drawing List No. 92151, Revision A, dated 12-20-84 and/or later FAA Approved revisions of the above data (28 Volt System).

1. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89167, dated 3-16-83 is required for Beech Model C24R and/or later FAA Approved revisions of the above supplement.

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

J!i^^ SXdmi<nt&fca&>r-J<y.J ': 3-15-85, Revision 1 ^i'a£e ^jp 10-27-82 3-16~83 (Signature) Harold W. Holdeman DAS Staff Coordinator, DAS 5 SW (Title)

This certificate may be transferred in accordance with FAR 21.17.

FAA fo«M •Uft-2 | IO-6I)

ttnitrd 3tacu of 2Lmtrira Bepartment of toansportation-f edtral atriation administration Supplemental t4p Certificate(Continuation £hect) SA5142SW-D, Revision 1 Limitations and Conditions (con't)

2. FAA Approved Supplemental Flight Manual, P/N 89578, dated 3-15-85 is required for Beech Model C23 and/or later FAA Approved revisions of the above supplement.

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

..'•' .' . r. i'f this • trtificat? is punishable by a ]int oj nnl fxce'dins^ Sl,0<)0, or impritunmrni nut i ORM 81102-1 (10-69) '1 his cerlifu-att may be tran\Jerreii in acc.^darmt u-ilft i'AR ~l PAGE 2 Qp2 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, State, and £IP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

U.S. GOVERNMENT PRINTING OFFICE : I 966 OF —205-579

## Every issue (1)

- March 15, 1985: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/e7/ff/e7ff9b02348511137e7bd1091799b3063e75daefd84e68720344d0431e5d330e)

---
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.
