# STC SA3267SW-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 A-777](https://openairdocs.org/tcds/A-777)
- Certificate PDF: https://openairdocs.org/files/sha256/ab/f2/abf2ea87636c53dfbe14886c7d7bf49aa80d107fde7af89e7240dbdc5042ed46
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/65679E4F9103A4CA86257DB10059ADCC.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3267SW-D

## ADs that name it (0)

None.

## Approved models (5)

- Beechcraft Corporation C35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Beechcraft Corporation D35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Beechcraft Corporation E35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Beechcraft Corporation F35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Beechcraft Corporation G35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))

## 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: SA3267584-8 This certificate issued to: Century Flight Systems, Inc.

F.M. 1195 P. O. Box 610 Mineral Wells, IX 76067 Part 3 of the C1V11 Alt Regulations.

Original Product - Type bertificate Number: A-777 Make: Beech Model:

C35, D35, E35, F35, G35 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.

Limitations and Conditions: P1lot's Operating Handbook & FAA/DAS Approved Airplane Flight Manual Supplement, P/N 68S645 dated 3-3-78 1s required for C35, D35, E35, F35 & G35 aircraft owners with a Pilot's Operating Handbook & FAA Approved Airplane Flight Manual;; FAA/DAS Approved Airplane Flight Manual Supplement P/N 685646 dated 3-3-78 is required for Models C35, D35, E35, F35, G35 aircraft owners with an Airplane Fl1ght Manual and/or later FAA approved revision. Placard P/N 13A660 i8

Date of Application: 2-1-78 Jute meissure: 3-28-84 Date of Issuance: 3-3-78 Date Amended:

FEDERAL AVIATION Don P. Watson (Signature ) DMIMISTRATIO Manager, Aircraft Certification Division Southwest Region (Tille)

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee).

(Address of transferee) (230175 pete sequents") from (Name of grantor) (Print or type) (Address of grantor) ( Number and sireel ;

Date of Transter:

Signature of grantor (In ink):.

+ 11= r. 01.1090-862.180

## Every issue (1)

- March 28, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/ab/f2/abf2ea87636c53dfbe14886c7d7bf49aa80d107fde7af89e7240dbdc5042ed46)

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