# STC SA5251SW-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC manual electric trim system Model ST-154.
- Applied: December 2, 1983
- Status date: December 16, 1983
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15)
- Certificate PDF: https://openairdocs.org/files/sha256/9b/f8/9bf84f6d3ee31babe0b1642608fb5f66b13802c844cbe63f181cb3700bccbde8
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4C1ABA0A4FF4EB9F85256CC2001227DE.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA5251SW-D

## ADs that name it (0)

None.

## Approved models (12)

- Beechcraft Corporation 35-33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation 35-A33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation 35-B33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation 35-C33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation 35-C33A ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation E33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation E33A ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation E33C ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation F33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation F33A ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation F33C ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation G33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))

## 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.

Unfed £tatu of anmca Btpartmcnt of 'Crarsportation— Jfedcral atriation administration Supplemental t^pe Certificate SA5251SW-D S-TEC Corporation Rt. 4, Bldg. 946 Wolters Industrial Complex :

Mineral Wells, TX 76067 anf^J&t'fcituxtfvrbajhfixiuf^JviJn ^fLe,JtmjSa/ismiL mnftfj*n-r/</i'*nA *ef4*»erru*iA,^'&»»i 3 y^ ClVl'l Air

•Slta4i/a£ 3A15 BEECH 35-33, 35-A33, 35-B33, 35-C33, 35-C33A, E33, E33A, E33C, F33, F33C, G33 AND F33A Installation of S-TEC Manual Electric Trim System, Model ST-154, according to Bulletin No. 254, dated 11-30-83 and Master Drawing List No. 92266, dated 11-30-83 and/or later FAA Approved revisions of the above data, (14 Volt System).

1. Eligible only on Model F33A, S/N CE-315 and below.

2. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89381, dated 12-16-83 is required and/or later FAA Approved revisions of the above Supplement.

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

£Xdrru/njA&<i/ci^*xJA* 12-2-83 12-16-83 (Signature) Harold W. Holdeman DAS Staff Coordinator, DAS 5 SW (Till*)

This artificatt may tt traxtftrnd in •cordkjicr Ljith FAR 21.47.

ttitittfl £tatta of amcrira Bepartment of transportation— federal 2toiation administration Supplemental ICgpe Certificate(Continuation &heet) SA5251SW-D Limitations and Conditions (con't)

3. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89382, dated 12-16-83 is required and/or later FAA Approved revisions of the above Supplement.

4. Compatability of this modification with other previously installed modifications must be determined by the installer.

.•!«v alteration of this certificate is punishable by a fine of not exceeding SI, OOP, or imprisonment not exceeding 3 years, or both.

FAA FORM siio-2-1 (1O-69) This certificate may be transjcrred in accordance with FAR L'i.-)'.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, State, and ^IP 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)

- December 16, 1983: Issued, Current. [certificate](https://openairdocs.org/files/sha256/9b/f8/9bf84f6d3ee31babe0b1642608fb5f66b13802c844cbe63f181cb3700bccbde8)

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