# STC SA3439SW-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Century automatic flight system Model AK944 consisting of a Century I Autopilot
- Applied: February 27, 1986
- Status date: March 18, 1986
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A19](https://openairdocs.org/tcds/3A19)
- Certificate PDF: https://openairdocs.org/files/sha256/92/aa/92aa6d2b0bae24977d4ad5ac1d2ca4bfea2bfe0e838f8b765b52a4149a0b7bba
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E1AB40297D69AA8F85256CC2000A9813.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3439SW-D

## ADs that name it (0)

None.

## Approved models (2)

- Cessna Aircraft Company 152 ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Cessna Aircraft Company A152 ([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: SA34954-D This certificate issued to: Century Flight Systems, Inc.

F.M. 1195 P.O. Box 610 Mineral Wells, IX 76067 Part 3 of the CIV11 Air Regulations.

Original Product - Type Certificate Numben: 3A19 Make: Cessna Model: 152, A152 Description of Type Design Change:

Installation of Century Automatic Flight System Model AK944 consisting of a Century I Autopilot per Bulletin No. 1074, dated 12-16-85 and Master Drawing List No. 87A1153, dated 12-16-85 (28volt system) and/or later FAA approved Limitations and Conditions: The f011owing FAA approved A1rplane Flight Manual Supplement or a later FAA approved revision is required: 685983 Compatibility of this modification with other previously approved modifications must be determined by the installer.

Date of Application: 2-27-86 Date Reissued:

Date of Issuance: 3-18-86 Date Amended:

EDERA VIATION By Direction of the Administrator (Signature) Wi111am L. Johns OMINISTA • DAS Staff Coordinator DAS 7 SW (Title)

47.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) _ (Address of transferee) (2391es preo sequing) (pa da par o15" 1)) from (Name of grantor) (Print or type) (Address of grantor) (Number and sireel ;

(City, Stake, and ZIP code) Extent of Authority (if licensing agreement):

Date of Transfer: - Signature of grantor (In ink): - +118 r. 01. 1098-862-030

## Every issue (1)

- March 18, 1986: Issued, Current. [certificate](https://openairdocs.org/files/sha256/92/aa/92aa6d2b0bae24977d4ad5ac1d2ca4bfea2bfe0e838f8b765b52a4149a0b7bba)

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