# STC SA3170SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell Automatic Flight System Model AK643 consisting of Century IIB Autopilot with Optional Radio Coupler
- Applied: November 5, 1976
- 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/cc/b2/ccb27aca553b15fcb34db68c337cd4938ff9cc35df56677bca614ac814209bdd
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B38471B3AA6B922485256CC2000A94C6.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3170SW-D

## ADs that name it (0)

None.

## Approved models (8)

- Textron Aviation Inc. 210G ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. 210H ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. 210J ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. 210K ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. T210G ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. T210H ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. T210J ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. T210K ([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.

Bcpartment of transportation-federal 2toiation administration Supplemental 'Cuje Certificate SA3170SW-D Century Flight Systems, Inc.

P.M. 1195 P. 0. Box 610 Mineral Wells, TX 76067 *ff^'4wfe>t!t!e>wt0^fi>*eciu^M'<&4foJ£trni£a& 3 jd'J&e/ Civil Air <-/leajdaJ«?nA 3A21 Cessna 210G, 210H, 210J, 210K, T21QG, T210H, T210J, T210K Installation of Mitchell Automatic Flight System Model AK643 consisting of Century IIB Autopilot with Optional Radio Coupler according to Bulleting No. 770, dated 11-5-76 and Master Drawing List No. 87A889, dated 11-5-76, FAA/DAS Approved Supplemental Flight Manual, P/N 68S438, dated 12-2-76 is required for Cessna Models 210G, 210H, 210J, 210K, T210G, T210H, T210J, and T21QK.

11-5-76 y.M&. fr*t*lf</: 6-18-84, Revision 1 12-2-76 L/a6 atflffif/ff/ Don P. Watson Manager, Aircraft Certification Division Southwest Region (Title) alteration of this certificate is punishable fey a fine of not exceeding tl ,000, or imprisonment not exceeding 3 yean, or both.

This certificate may be transferred in accordance with f-AK 21.17.

FAAFMM «HO-2 (10-48)

INSTRUCTIONS: The .ransfcr endorsement below m.y be used to notify .he appropriate FAA Kepona. Office of the transfer of thu Supplemental Type Certificate.

The FAA will reissue .he 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) _ I Mumha tnd ftrtet) from (Name of grantor) (Print or type).

(Cir>. Slflt, **t ZI (Address of grantor) (Xumkti titd tt'ttlj (Gtf. SUU, Extent of Authority (if licensing agreement): _ Date of Transfer:.

Signature of grantor (In ink):

## Every issue (1)

- June 18, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/cc/b2/ccb27aca553b15fcb34db68c337cd4938ff9cc35df56677bca614ac814209bdd)

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