# STC SA3182SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell Automatic Flight System Model AK387 consisting of a Century IIB
Autopilot with Optional Radio Coupler
- Applied: January 25, 1977
- Status date: June 18, 1984
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 3A21](https://openairdocs.org/tcds/3A21)
- Certificate PDF: https://openairdocs.org/files/sha256/10/be/10beffd8784a9afcd1ded4d4d3ecdbee119118ce596239fad10e69ef32ae8c66
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8D5E981ECB08A30F85256CC2000A94EB.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3182SW-D

## ADs that name it (0)

None.

## Approved models (6)

- Textron Aviation Inc. 210L ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. 210M ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. 210N ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. T210L ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. T210M ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. T210N ([TCDS 3A21](https://openairdocs.org/tcds/3A21))

## 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.

Bcparrmcnt of transportation -federal SUriation administration Supplemental 'Cgpe Certificate <.Slta4t/a£onA.

SA3182SW-D Century Flight Systems, Inc.

P.M. 1195 P. 0. Box 610 Mineral Wells, TX 76067 ^wjA&^c>&c^^ 3 ^J&6> Civil Air 3A21 Cessna 210L, T210L, 210M, T210M, 210N, T210N fva^ •' Installation of Mitchell Automatic Flight System Model AK387 consisting of a Century IIB Autopilot with Optional Radio Coupler according to Bulletin No. 509, Revision 4, dated 3-8-79 and Master Drawing List No. 87A617, Revision C, dated 3-8-79 (28 Volt System) and/or later FAA Approved Revisions of the above data.

FAA/DAS Approved Placard, P/N 13A689-387 is required for Cessna Models 210L and T210L, S/N 21059503 through 21061039, dated 1-2A-77. FAA/DAS Spproved Pilot's Operating Handbook Supplement, P/N 68S511, dated 2-4-77 is required for Cessna Models 210L and T210L, S/N 21061040 through 21061573 and Cessna Models 210M and T210M. Pilot's Operating Handbook and FAA/DAS Approved Airplane Flight Manual Supplement, P/N 68S842, dated 3-26-79 is required for .Cessna Models 210N and T210N and/or later FAA Approved Revisions of the above Supplements.

modifications «^/ 3-26-79; 6-18-84, Revision 2 Don P. Watson Manager, Aircraft Certification Division Southwest Region (Title)

This certificate may be transferred in accordance with fAR 21 .4?.

fAA FotMtl 10-2 (10-68)

.NSTRUCTIONS: The transfer endowment be.ow may be used to notify the appropriate FAA Kepona. Office of t he transfer of thit Supplemental Type Cenificate.

The FAA will reiisue the certificate in the name of the transferee and forward it .o him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Meant of transferee)_ (Address of transferee) _ I yumttr *nd ttrtct) 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 18, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/10/be/10beffd8784a9afcd1ded4d4d3ecdbee119118ce596239fad10e69ef32ae8c66)

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