# STC SA5359SW-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-258.
- Applied: November 29, 1984
- Status date: December 5, 1984
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A20CE](https://openairdocs.org/tcds/A20CE)
- Certificate PDF: https://openairdocs.org/files/sha256/68/88/68888bf9ff4f1d033cd12f5b1299c377d6ca086826f2ff9805df5e444561af82
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/70E7B2F905E0D8C585256CC20012289A.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA5359SW-D

## ADs that name it (0)

None.

## Approved models (1)

- Cessna Aircraft Company 177RG ([TCDS A20CE](https://openairdocs.org/tcds/A20CE))

## 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: SA53595W-D This certificate issued to: 1. S-TEC Corporation Rt. 4, Bldg. 946 Wolters Industrial Complex Mineral Wells, TX 76067 Part 23 of the Federal Aviation Regulations.

Original Product - Iype trertificate Numben: AZOCE Make: CESSNA Model: 177RG Description of Type Design Change:

Installation of S-TEC Manual Electric Trim System, Model ST-258, according to Bulletin No. 358, dated 11-26-84 and Master Drawing List No. 92304, dated 11-26-84 and/or later FAA Approved revisions of the above data (14 Volt System).

1. FAA Approved Supplemental Flight Manual, P/N 89562, dated 12-5-84 is required for Cessna Model 177RG, S/N 177RG0787 and Below and/or later FAA Approved revisions of the above supplement.

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

Date of Application: 11-29-84 Date Reissued:

Date of Issuance: 12-05-84 Date Amended:

FEDERA AVIATION By Direction of the Administrator (Signature ) TAIN STRATO Harold W. Holdeman DAS Staff Coordinator, DAS 5 SW 47 FAA FIX 9110-2 (10-08)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA53595W-D Limitations and Conditions: (con't)

2. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89563, dated 12-5-84 is required for Cessna Model 177RG, S/N 177RG0788 thru S/N 177RG1266 and/or later FAA Approvec revisions of the above supplement.

3. Compatability of this modification with other previously approved modifications must be determined by the installer, I aton of this certificate is punishable by a fine of not excerding SL,000, or umprammert rat exceeding 3 years, re ha

• I.: iRM 81102-1 (10-69) This certificate may be transferred in accordance testh L'AR 21 1 PAGE 20F 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 OF-205-579

## Every issue (1)

- December 5, 1984: Issued, Current. [certificate](https://openairdocs.org/files/sha256/68/88/68888bf9ff4f1d033cd12f5b1299c377d6ca086826f2ff9805df5e444561af82)

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