# STC SA3098SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell Automatic Flight System Model AK306consisting of Century I Autopilot with Optional Omni Tracker.
- Applied: January 8, 1976
- Status date: August 16, 1984
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15)
- Certificate PDF: https://openairdocs.org/files/sha256/6e/16/6e16eb608c3da5f45fd3d32a1c51c473c39f1f238d8d2c3ed279da2103ca1963
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B604718E0D7E27D585256CC2000A93C7.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3098SW-D

## ADs that name it (0)

None.

## Approved models (6)

- Beechcraft Corporation 35-33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation 35-A33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation 35-B33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation 35-C33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation E33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation F33 ([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.

niced States of SucTice Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA30985W-D This certificate issued to: Century P1ight Systems, Inc.

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

Original Product - Type bertificate Numben: ЗА15 Beech Model: 35-33*, 35-А33, 35-833, 35-633, E33, F33 Description of Type Design Change:

Installation of Mitchell Automatic Flight System Model AK306 consisting of Century I Autopilot with Optional Omni Tracker according to Bulletin No. 414, Revision 5, dated 1-7-76 and Master Drawing List No. 87A515, Revision D, dated Limitations and Conditions:

*Eligible only on Beech Models 35-33 with wing rib assembly P/N 35-115079-604, instead of P/N 35-115079-SA2/ FAA/DAS Approved Airplane Flight Manual Supplement, P/N 685156-2, dated 1-12-76 is required.

Compatibility of this modification with other previously approved modifications must be determined by the installer.

Date of Application: 1-8-76 Date Reissued: 8-16-84, Revision 1 Date of Issuance: 1-12-76 Date Amended:

FEDERA AVIATION TION Don P. Watson Manager, Aircraft Certification Division (Signature) Southwest Region (Title)

47.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) _ (Address of transferee) - (Yumber and street) (City, State, and 2IP code) from (Name of grantor) (Print or type) - (Address of grantor) (Number and sireel ;

(City, Stale, 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/sha256/6e/16/6e16eb608c3da5f45fd3d32a1c51c473c39f1f238d8d2c3ed279da2103ca1963)

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