# STC SA3141SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell Automatic Flight System Model AK620 consisting of Century IIB Autopilot with Optional Radio Coupler.
- Applied: May 18, 1976
- Status date: June 22, 1984
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 3A21](https://openairdocs.org/tcds/3A21)
- Certificate PDF: https://openairdocs.org/files/sha256/90/56/9056cd41596d404761db5acdbde3196534f2e58f91a52f2d583fa1522eaf80c0
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D7ED00FAB0B17A4485256CC2000A9466.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3141SW-D

## ADs that name it (0)

None.

## Approved models (4)

- Textron Aviation Inc. 210D ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. 210E ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. 210F ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. T210F ([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.

•Department of transportation -federal 2toiation administration Supplemental Itgpe Certificate SA3141SW-D Century Flight Systems, Inc.

F.M. 1195 P. 0. Box 610 Mineral Wells, TX 76067 Civil Air ^s(M[44£lZ&0-rtA'_ ..<$^,^ 3 3A21 CESSNA 210D, 210E, 210F, T210F Installation of Mitchell Automatic Flight System Model AK620 consisting of Century IIB Autopilot with Optional Radio Coupler according to Bulletin No.

746, dated 5-14-76 and Master Drawing List No. 87A777, dated 5-14-76.

FAA/DAS Approved Supplemental Flight Manual, P/N 68S384, dated 6-3-76 is required.

°ther P^lously approved modifications 6-22-84, Revision 1 Don P. Watson Manager, Aircraft Certificaticfn Division Southwest Region (Title)

This certificate may be transferred in accordance with fAR 21.17.

F^A FOUM 8II0-2 (10-48)

.NSTRUCTIONS: The transfer endorsement below may be used to n<xify .he appropriate FAA Kepona. Office of t he transfer of ihit SuppJemenul Type Certificate.

The FAA will remue the certifkatc in ihe name of .he transferee and forward it .o him.

TRANSFER ENDORSEMENT Transfer Ac ownership of Supplemental Type Certificate Number to (Name of transferee) _ (Address of transferee) — from (Name of grantor) (Print or type).

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

Signature of grantor (In ink):

ii < r. p n »«««-««»•«»<>

## Every issue (1)

- June 22, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/90/56/9056cd41596d404761db5acdbde3196534f2e58f91a52f2d583fa1522eaf80c0)

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