# STC SA3116SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell Automatic Flight System Model AK325, consisting of
Century I Autopilot with Optional Omni Tracker
- Applied: March 2, 1976
- Status date: June 5, 1984
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A-777](https://openairdocs.org/tcds/A-777)
- Certificate PDF: https://openairdocs.org/files/sha256/98/a9/98a9ea58a8ed63131d72a31a1f3dc0bed85e3eed204908fd2ade0f633b77b1af
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/63475354C42E365085256CC2000A9404.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3116SW-D

## ADs that name it (0)

None.

## Approved models (7)

- Beechcraft Corporation A35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Beechcraft Corporation B35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- 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

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

•^Sl&aM/a/u>nA Bcpartmcnt of 'Craasportation -federal atriation administration Supplemental ¥gpe Certificate SA3116SW-D Century Flight Systems, Inc.

F.M. 1195 P. 0. Box 610 Mineral Wells, TX 76067 ^c^J^^t&otvt/n^ 3 *JJ&e< Civil Air A777 Beech A35, B35, C35, D35, E35, F35, G35 Installation of Mitchell Automatic Flight System Model AK325, consisting of Century I Autopilot with Optional Omni Tracker according to Bulletin No. 440, Rev. 12, dated 8-15-78, and Master Drawing List No. 87A537, Rev. H, dated 8-15-78 (14 Volt) and/or later FAA Approved Revisions of the above data.

: The following Airplane Flight Manual Supplements are required for those aircraft having Airplane Flight Manuals and autopilots without interrupt :

P/N 68S734, dated 8-15-78 for Beech Models E35, F35, G35 P/N 68S735, dated 8-15-78 for Beech Models A35, B35, C35, D35 See Continuation Sheet, page 2, a part of this STC modifications 8-15-78, 6-5-84, Revision 2 rfT^5' Mf/iS*t*Xf*f •' Don P. Watson (S'g™"<«) Manager, Aircraft Certification Division Southwest Region (Title)

This certificate may be transferred in accordance with f-AK 21.17.

FAAFou<ailO-2(IO-«l)

ttritd States if Satta department of transportation— federal atriation administration Supplemental 'Cgpe Certificate(Continuation £tat) SA3116SW-D, Revision 2, dtd. 6-5-84 Limitations and Conditions (Cont'd):

The following Airplane Flight Manual Supplements are required for those Aircraft having Airplane Flight Manuals and autopilots with interrupt:

P/N 68S740, dated 8-15-78 for Beech Models E35, F35, G35 P/N 68S741, dated 8-15-78 for Beech Models A35, B35, C35, D35 The following Pilot's Operating Handbook and FAA/DAS Approved Airplane Flight Manual Supplements are required for those aircraft having a Pilot's Operating Handbook and autopilots without interrupt:

P/N 68S746, dated 8-15-78 for Beech Models E35, F35, G35 P/N 68S747, dated 8-15-78 for Beech Models A35, B35, C35, D35 The following Pilot's Operating Handbook and FAA/DAS Approved Airplane Flight Manual Supplement are required for those aircraft having a Pilot's Operating Handbook and autopilots with interrupt:

P/N 68S752, dated 8-15-78 for Beech Models E35, F35, G35 P/N 68S753, dated 8-15-78 for Beech Models A35, B35, C35, D35 and/or later FAA Approved revisions of the above data.

47.

.NSTRUCTIONS: The .ranker endorsement bc.ow may be used ,o notify the appropriate FAA Kcgto-l Office of the transfer of thU Supplemental Type Certificate.

The FAA will reissue the certificate in the name of the transferee and forward it to him.

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

(Address of transferee).

from (Home of grantor) (Print or type).

(Address of grantor) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- June 5, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/98/a9/98a9ea58a8ed63131d72a31a1f3dc0bed85e3eed204908fd2ade0f633b77b1af)

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