# STC SA3269SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic flight system model AK727 consisting of Century III autopilot with optional radio coupler and glide slope coupler
- Applied: February 1, 1978
- Status date: March 28, 1984
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15)
- Certificate PDF: https://openairdocs.org/files/sha256/3e/c6/3ec6c066ed6777091b2a506fe152d44572624d93d61cc5c788c0e8ff042195b2
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9AB1342823C8843E86257DB1005A133F.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3269SW-D

## ADs that name it (0)

None.

## Approved models (6)

- Beechcraft Corporation H35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation J35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation K35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation M35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation N35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation P35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA326954-D This certificate issued to: Century Flight Systems, Inc.

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

Original Product - Type bertificate Number: 3A15 Make: Beech Model: H35, J35, K35, M35, N35, P35 Description of Type Design Change:

Installation of Mitchell Automatic Flight System Model AK727 consisting of Century III Autopilot with Optional Radio Coupler and Glide Slope Coupler according to Bulletin No. 862, dated 1-31-78 and Master Drawing List No. 87A983 dated 1-31-78 (14 Volt System), or later FAA approved revision.

Pilot's Operating Handbook and FAA/DAS Approved Airplane Flight Manual Supplement, P/N 685647 dated 3-3-78 is required for Model H35 owners with a Pilot's Operating Handbook and FAA Approved Airplane Flight Manual.

FAA/DAS Approved Airplane Flight Manual Supplement, P/N 68S648 dated 3-3-78 1s required for Beech H35 aircraft owners with an Airplane Flight Manual.

compatIMINATION his modițication with other previously approved modifications A PART OF THIS STC.

Tust bedetermthe supp ting as which is the basis fur appre val shull remain in effect until sur, vendered, suspended, veroked, or a lermination date is therwise es tabdished by the Administrate r of the Federal Aviation Administration .

Date of Application: 2-1-78 Jule missued: 3-28-84 Revision 1 Date of Issuance: Salesmended:

3-3-78

FEDERAL AVIATION Don P. Watson ( Signature ) TO MINISTRATO Manager, Aircraft Certification Division Southwest Region (Title) 47 FAA FORM 8110-2 (10-68)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA326954-D Revision 1 Limitations and Conditions:

Pilot's Oporating Handbook and FAA/DAS Approved Airplane Flight Manual Supplement, P/N 68S649, dated 3-3-78 is required for Beech Models J35, K35, M35, N35, & P35 aircraft owners with a Pilot's Operating Handbook and FAA Approved Airplane Flight Manual FAA/DAS Approved Airplane Flight Manual Supplement, P/N 68S650, dated 3-3-78 is required for Beech Models J35, K35, M35, N35 and P35 aircraft owners with an Airplane Flight Manual and/or later FAA Approved Revisions of the above Supplements Placard, P/N 13A660 is required for an Airplane Flight Manual Placard, P/N 131660-1 is required for a Pilot's Operating Handbook

**A FORM 8110-2-1 (10-69) PAGE 2 OF 2 PAGES FAA AC 72-4435**

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) - (Address of transferee) (270195 preo sequen) from (Name of grantor) (Print or type) (Address of grantor) ( parts pur sequent) Extent of Authority (if licensing agreement):

Date of Transfer: - Signature of grantor (In ink): - + 11= r. 0~. 1090-262.080

## Every issue (1)

- March 28, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/3e/c6/3ec6c066ed6777091b2a506fe152d44572624d93d61cc5c788c0e8ff042195b2)

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