# STC SA3037SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic flight system model AK457 consisting of Century I autopilot with optional omni tracker system.
- Applied: December 27, 1974
- Status date: August 16, 1984
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A19](https://openairdocs.org/tcds/3A19)
- Certificate PDF: https://openairdocs.org/files/sha256/e6/6d/e66d55652ee543316f93c270e481e8cbd2d2fcecd3e5105676d65ab8316e6f22
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A8FF5E41C653811485256CC2000A9301.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3037SW-D

## ADs that name it (0)

None.

## Approved models (9)

- Cessna Aircraft Company 150D ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Cessna Aircraft Company 150E ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Cessna Aircraft Company 150F ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Cessna Aircraft Company 150G ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Cessna Aircraft Company 150H ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Cessna Aircraft Company 150J ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Cessna Aircraft Company 150K ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Cessna Aircraft Company 150L ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Cessna Aircraft Company 150M ([TCDS 3A19](https://openairdocs.org/tcds/3A19))

## 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 SA3037SW-D This certificate issued to: Century Flight Systems, Inc.

F.M. 1195 P.O. Box 610 Mineral Wells, TX 76067 Part 3 of the CIVIL Aix Regulations Original Product - Type bertificate Number: 3A19 Make: Cessna Model: 150D, 150E, 150F, 150G, 150H, 150J, Description of Type Design Change: 150K, 150L and 150M Installation of Mitchell Automatic Flight System Model AK457 consisting of Century I Autopilot with Optional Omni Tracker System according to Bulletin No. 580, dated 12-20-74 and Master Drawing List No. 87A760, dated 12-20-74.

FAA/DAS Approved Limitation Placard P/N 13A762-457, dated 1-15-75 i8 required, Compatibility of this modification with other previously approved modifications must be determined by the installer.

Date of Application: 12-27-74 Date Reissued: 8-16-84, Revision 1 Date of Issuance: 1-17-75 Date Amended:

FEDERAL AVIATIO -Don P. Watson (Signature ) Manager, Aircraft Certification Division MINISTRAT Southwest Region (Title)

**FAA FOR 8110-2(10-68)**

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) from (Name of grantor) (Print or type) (Address of grantor) (Number & street) (City, State, and ZIP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- August 16, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/e6/6d/e66d55652ee543316f93c270e481e8cbd2d2fcecd3e5105676d65ab8316e6f22)

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