# STC SA3281SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic flight system model AK746 consisting of Century III autopilot with optional radio coupler and glide slope coupler
- Applied: March 28, 1978
- Status date: March 28, 1984
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A13](https://openairdocs.org/tcds/3A13)
- Certificate PDF: https://openairdocs.org/files/sha256/08/e4/08e4f640b3a47c183c0cdeb45131ba7c8e6372fe3d7bafe945777d640f2422bd
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7A170AFA1884929886257DB30074A6F1.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3281SW-D

## ADs that name it (0)

None.

## Approved models (2)

- Cessna Aircraft Company 182Q ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182R ([TCDS 3A13](https://openairdocs.org/tcds/3A13))

## 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.

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Bcpartment of transportation— federal atiiation administration Supplemental t^pe Certificate SA3281SW-D Century Flight Systems, Inc.

P.M. 1195 P. 0. Box ,610 Mineral Wells, TX 76067 <£rw.J'ijSi&ded4jpri>J<^.4<n^f<>tt0t*^^ Civil Air 3A13 Cessna 182Q. 182R Installation of Mitchell Automatic Flight System Model AK746 consisting of a Century III Autopilot with Optional Radio Coupler and Glide Slope Coupler according to Bulletin no. 881 Rev. 2 dated 4-14-82 and Master Drawing List No. 87A987 Rev. B dated 4-14-82 (28 Volt System), or later FAA approved revision.

FAA/DAS Approved Supplemental Flight Manual P/N 68S691 Rev. 1 dated 4-9-82 is required .

Placard P/N 13A660-2 is required.

3-28-78 A— 11— »7fi approved modifications !-- tfr Jn-e</'a<i4<l^t+r-jiJiJtwva/A/La/t/rt'mjusn; tn/^efific/^vn/t&^uvr'- M*.^& „„/: 5-7-82; 3-28-84 Revision 2 -S -ate jifftf/ts/**/ -' Don P. WatSOn (Signature) Manager, Aircraft Certification Division Southwest Region(Title)

FAA FotM 8) 10-2 (10-68)

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

(Address of transferee) _ from (Name of grantor) (Print or type).

(City.Stttt, tint ZI (Address of grantor) ttral) (Cify, Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- March 28, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/08/e4/08e4f640b3a47c183c0cdeb45131ba7c8e6372fe3d7bafe945777d640f2422bd)

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