# STC SA6058SW-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-355.
- Applied: March 14, 1986
- Status date: March 19, 1986
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A1EA](https://openairdocs.org/tcds/A1EA)
- Certificate PDF: https://openairdocs.org/files/sha256/b4/6b/b46bd0ba77170c273de2c7793c78ff6f55257c2370559c8d57d897ae5c1dc352
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/01D596F3603D4BB685256CC200569E3C.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA6058SW-D

## ADs that name it (0)

None.

## Approved models (2)

- Piper Aircraft Inc. PA-30 ([TCDS A1EA](https://openairdocs.org/tcds/A1EA))
- Piper Aircraft Inc. PA-39 ([TCDS A1EA](https://openairdocs.org/tcds/A1EA))

## 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: SA60585W-D This certificate issued to: 11. S-TEC Corporation Rt. 4, Bldg. 946 Wolters Industrial Complex Mineral Wells, TX 76067 Part 3 of the CIVIT Air

•Regulations.

Original Product - Type tientificate Number: AlEA Make: PIPER Model: PA-30 AND PA-39 Description of Type Design Change:

Installation of S-TEC Manual Electric Trim System, Model ST-355, according to Bulletin No. 455, dated 3-13-86 and Master Drawing List No. 923/1, dated 3-13-86 and/or later FAA Approved revisions of the above data (14 Volt System).

1. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89664, dated 3-19-86 is required for Piper Models PA-30 and PA-39 and/or later FAA Approved revisions of the above supplement.

2. Compatability of this modification with other previously approved modifications must be determined by the installer.

Date of Application: 3-14-86 Date Reissued:

Date of Issuance: . 3-19-86 Date Amended:

FEDERAL AVIATIO By Direction of the Administrator lasted 1. 74 mo (Signature) TAMIN STRATO Harold W. Holdeman DAS Staff Coordinator, DAS 5 SW (Title)

47.

BA& Fan 81129(102ARI

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) _ (Address of transferee) (Number and streel) (Cirj, Stake, and RIP code) from (Name of grantor) (Print or sype) (Address of grantor) (Number and sireel) (City, State, and ZIP code, Extent of Authority (if licensing agreement):

Signature of grantor (In ink): - 020

## Every issue (1)

- March 19, 1986: Issued, Current. [certificate](https://openairdocs.org/files/sha256/b4/6b/b46bd0ba77170c273de2c7793c78ff6f55257c2370559c8d57d897ae5c1dc352)

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