# STC SA3478SW-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Century Command Electric Trim System Model AK985.
- Applied: September 2, 1988
- Status date: September 16, 1988
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 2A3](https://openairdocs.org/tcds/2A3)
- Certificate PDF: https://openairdocs.org/files/sha256/6f/d2/6fd2d68127c4f147f89cfea221d7d51da14983a5fb6b37a95670aede75f109ce
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/25AC6ABD422F954385256CC2000A9875.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3478SW-D

## ADs that name it (0)

None.

## Approved models (1)

- Mooney International Corporation M20J ([TCDS 2A3](https://openairdocs.org/tcds/2A3))

## 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: SA34785W-D This certificate issued to: Century F11ght Systems, InC.

F.M. 1195 P.O. Box 610 Mineral Wells, Ix 76067 Certifies that the change in the type design for the folowing product with the limitations and conditions therefor as specified hereon meets the airvorthiness reguirements of Part 3 of the CIV11 AIX Regulations.

Original Product Type Certificate Number: 2A3 Make: Mooney Model: M20J Description of Type Design Change:

Installation of Century Command Electric Trim System Model AK985 according to Bulletin No. 2042, dated 9-01-88 and Master Drawing List No. 87A1196, dated 9-01-88 (14 Volt System) and/or later FAA approved revision.

FAA/DAS Approved Pilot's Operating Handbook and FAA/DAS approved Airplane Flight Manual Supplement, P/N 68S1023, dated 9-01-88 and/or later FAA/DAS approved revision. Placard P/N 13A990-1 is required.

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

Date of Application: 9-02-88 Date Reissued:

Date of Issuance: 9-16-88 Date Amended:

•EDERAL AVIATIO By direction of ther aminis pator Werent (Signature ) * MINISTRATO William J. Thomas Staff Coordinator DAS 7 SW (Title)

47.

**FAA FORM 8110-2. (10-68)**

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) _ (Address of transferee) (Number and streel) (CIty, State, and RIP rode) from (Name of grantor) (Print or type) (Address of grantor) ( Number and sireel;

(City, State, and ZIP codes Extent of Authority (if licensing agreement):

Date of Transter:.

Signature of grantor (In ink): - +11 < r. 0~. 1080-842-080

## Every issue (1)

- September 16, 1988: Issued, Current. [certificate](https://openairdocs.org/files/sha256/6f/d2/6fd2d68127c4f147f89cfea221d7d51da14983a5fb6b37a95670aede75f109ce)

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