# STC SA3146SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell Automatic Flight System Model AK602 consisting of Century IIB Autopilot with Optional Radio Coupler.
- Applied: June 16, 1976
- Status date: June 6, 1984
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 5A6](https://openairdocs.org/tcds/5A6)
- Certificate PDF: https://openairdocs.org/files/sha256/dd/74/dd74604379503c2623f83a73d88f4d30c6a245f6873e118be50cf39c355cab7e
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/71A339B68527466A85256CC2000A9476.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3146SW-D

## ADs that name it (0)

None.

## Approved models (5)

- Textron Aviation Inc. 180F ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180G ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180H ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180J ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180K ([TCDS 5A6](https://openairdocs.org/tcds/5A6))

## 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.

Btpartmtnt of transportation -federal dotation administration upplcmental 'Cpe Certificate *5'£eG4&Cti&i& O^wwnaJ \J* SA3146SW-D Century Flight Systems, Inc.

F.M. 1195 P. 0. Box 610 Mineral Wells, TX 76067 jfa /-yfi^deAsJOM f^^A^fi -.4w;a*WJM>i&'W ~> Air 5A6 Cessna 180F, 180G, 180H, 180J, 180K Installation of Mitchell Automatic Flight System Model AK602 consisting of a Century IIB Autopilot with Optional Radio Coupler according to Bulletin No. 726, Revision 1, dated 4-19-78 and Master Drawing List No. 87A868, Revision A, dated 4-19-78 (14 Volt System) and/or later FAA Approved revisions of the above data.

Also eligible on Cessna Models 180F, 180G, 180H, 180J, and 180K When Modified In Accordance with STOL STC SA995SW and/or STC SA1705WE (Auxiliary Fueld Tanks). The following FAA/DAS Approved Supplemental Flight Manuals are required:

P/N 68S392-1-S, dated 4-27-78 for Cessna Models 180F, 180G, 180H, and 180J, S/N 18052620 and below and Any Of The Above Models When Modified In Accordance With STOL STC SA995SW and/or STC SA1705WE (Auxiliary Fueld Tanks);

See Continuation Sheet, Page 2, a part of this STC.

-PProved modifications 6-16-76 6 — 24 — 76 4-27-78; 6-6-84, Revision 2 —/ a£r a/tifrutttf :

•/u- Don P. Watson (Sit*at*,t) Manager, Aircraft Certification Division Southwest Region (Title)

This certificate may be transferred in accordance with h'AR 21.17.

FAA Fo*MS110-2 (10-66)

ttntod gtatu 0f aotrta Bcpartmtnt of transportation—jftderal ablation administration ^upplemental t^pe Certificate(Continuation 3hcet) SA3146SW-D, Revision 2, dated 6-6-84 Limitations and Conditions (Cont'd):

P/N 68S692, dated 4-27-78 for Cessna Model 180J, S/N 18052621 and Up and the above models when modified in accordance with STOL STC SA995SW and/or STC SA1705WE (Auxiliary Fuel Tanks);

P/N 68S693, dated 4-27-78 for Cessna Model 180K and the above model when modified in accordance with STOL STC SA995SW and/or STC SA1705WE (Auxiliary'Fuel Tanks)

FAA FORM ai io-2-i (10-69) TMt ttrtifieatt my bi tuaujtntd in accordant* with FAR 21.47.

.NJTTRUCTIONS: The ,nuufer eadorscmen, bc.ow may be used .o notify the appropriate FAA Kegiona. Office of the transfer of thit Supplemental Type Certificate.

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

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of'transferee)_ (Address of transferee) — (.Vumttr *nJ it"* ) (Cti). Stati, from (Name of grantor) (Print or type).

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

Signature of grantor (In ink):

## Every issue (1)

- June 6, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/dd/74/dd74604379503c2623f83a73d88f4d30c6a245f6873e118be50cf39c355cab7e)

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