# STC SA767SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic flight system Model AK239 consisting of Century III autopilot with optional automatic pitch trim system and radio coupler.
- Applied: March 6, 1967
- Status date: June 25, 1984
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A20](https://openairdocs.org/tcds/3A20)
- Certificate PDF: https://openairdocs.org/files/sha256/d1/f8/d1f846b0d4b40dab09c9879538308fbd9f2ed7d3f3e866cd420319bb13f1b6c9
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/AD151F9C6929AF2F85256CC20056A431.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA767SW

## ADs that name it (1)

- [AD 70-15-18](https://openairdocs.org/ad/70-15-18): Automatic Pilot and Automatic Aileron Stabilizer Instruments · Mitchell Industries Auto Pilot Systems Instruments. Effective Aug 31, 1970. Cited in the text

## Approved models (7)

- Raytheon Aircraft Company 65 (L-23F) ([TCDS 3A20](https://openairdocs.org/tcds/3A20))
- Raytheon Aircraft Company 65-80 ([TCDS 3A20](https://openairdocs.org/tcds/3A20))
- Raytheon Aircraft Company 65-A80-8800 ([TCDS 3A20](https://openairdocs.org/tcds/3A20))
- Raytheon Aircraft Company 65-B80 ([TCDS 3A20](https://openairdocs.org/tcds/3A20))
- Raytheon Aircraft Company 70 ([TCDS 3A20](https://openairdocs.org/tcds/3A20))
- Raytheon Aircraft Company A65 ([TCDS 3A20](https://openairdocs.org/tcds/3A20))
- Raytheon Aircraft Company A65-8200 ([TCDS 3A20](https://openairdocs.org/tcds/3A20))

## 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.

^Department of transportation —federal aoiation administration Supplemental 'Cjp Certificate SA767SW <Jlea*&ut&*>nA.

Century Flight Systems, Inc.

P.M. 1195 P. 0. Box 610 Mineral Wells, TX 76067 ./foJa*>iL^^ 3 Civil Air 3A20 Beech 65, A65, 65-80, 65-A80-8800, 65-B80, A65-8200 and 70 Installation of Mitchell Automatic Flight System Model AK239 consisting of Century III Autopilot with Optional Automatic Pitch Trim System and Radio Coupler according to Bulletin No. 349, Revision 8, dated 5-15-72, and installation of Glide Slope Coupler Model AK262 according to Bulletin No. 366, dated 7-16-68 and installation of Mitchell Radio Coupler Model 1C388-3 according to Bulletin No. 611, dated 4-16-74 and Master Drawing List No. 87A708, Revision A, dated 4-16-74.

See Continuation Sheet, Page 2, a part of this STC Previously approved modifications m&/i(>n March 6, 1967 March 10, 1967 *<*>«*</: 4-17-68; 10-23-68; 12-13-68; 5-1-69;

12-30-69; 6-6-72; 4-16-74; 6-25-84, .*„*,<*/«/ Revision 8 > - f 4." f •'* f '--'^* i-''-' -^ ' *~£ *"'•• Don P. Watson Manager, Aircraft Certification Division Southwest Region (Title)

47.

FAA FO«M 1110-2 (10-68)

lilted £tutli Bcpartmcnt of transportation—itdcral atriation administration 3upplemtntal ICgpe Ccrtificatt(Continuation £heet) SA767SW, Revision 8, dated 6-22-84 Limitations and Conditions:

The following Mitchell Industries, Inc. FAA Approved Airplane Flight Manual Supplements are required:

1. AFMS, dated March 10, 1967 for Beech Model A65

2. AFMS, dated April 17, 1968 for Beech Models 65, 65-80 and 65-A80-8800

3. AFMS, dated October 10, 1968 for Beech Model 65-B80

4. AFMS, dated December 13, 1968 for Beech Model A65-8200

5. AFMS, dated November 7, 1969 for Beech Model 70

6. AFMS, P/N 68S168, dated April 16, 1974 for Mitchell Radio Coupler Model 1C388-3

FAA FORM 8HO-2-1 (10-69) THs certificate may bt trmsfmtd in accmdanct with FAR 21.47.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, Stale, and <7P cade) from (Name of grantor) (Print or type) (Address of grantor) {.Wiinihfr and sired) I ('.lit. Stale, and ^JP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- June 25, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/d1/f8/d1f846b0d4b40dab09c9879538308fbd9f2ed7d3f3e866cd420319bb13f1b6c9)

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