# STC SA1846SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic flight system Model AK471 consisting of Century III autopilot with optional command/electronic pitch trim, optional radio coupler, and optional glide slope coupler.
- Applied: March 1, 1974
- Status date: July 16, 1984
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A4CE](https://openairdocs.org/tcds/A4CE)
- Certificate PDF: https://openairdocs.org/files/sha256/8d/0c/8d0cd94b1b07800922be9c72d8545cc755649ca2906336f4d48be52fb7447813
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DB549C675C838A0485256CC10083D18C.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1846SW

## ADs that name it (0)

None.

## Approved models (2)

- Cessna Aircraft Company TU206F ([TCDS A4CE](https://openairdocs.org/tcds/A4CE))
- Cessna Aircraft Company U206F ([TCDS A4CE](https://openairdocs.org/tcds/A4CE))

## 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 "Cransportation —federal aoiation Administration Supplemental 'Cpe Certificate SA1846SW Century Flight Systems, Inc.

P.M. 1195 P. 0. Box 610 Mineral Wells, TX 76067 .£4^&&cl- £n&£ £fa 4rt^vri4^4/ ClVll Air A4CE Cessna U206F, TU206F Installation of Mitchell Automatic Flight System Model AK471 consisting of Century III Autopilot with optional Command/Electronic Pitch Trim, optional Radio Coupler, and optional Glide Slope Coupler per Bulletin No. 592 dated 2-20-74 and Master Drawing List 87A704 dated 2-20-74.

Installation of Mitchell Radio Coupler Model 1C388-3 per Bulletin No. 611, Revision 1, dated 4-16-74 and Master Drawing List No. 87A708, Revision A, dated 4-16-74.

FAA Approved Airplane Flight Manual Supplement dated March 8, 1974, is required.

FAA Approved Airplane Flight Manual Supplement P/N 68S167 dated 4-16-74 is required for Mitchell Radio Coupler Model 1C388-3.

-edifications &r^n^na{a^da& : March 1, 1974 March 8, 1974 L/a& ~*u,,,,/ 4-16-74, 7-16-84, Revision 2 Don P. Watson <S>gna,»,C) Manager, Aircraft Certification Division Southwest^ Region (Ttttej

7~Au fertifitatr may bt ttaniJtTTfd in accordance with FAR 21.47 FAAFou.lllO-3(]O-6l]

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

(Address of transfereej. (Numbri and Ittrfl) (City, Slalr. and ?IP ndi) from (Name of grantor) (Print or type) .

(Address of grantor) (Number and Hrrrtf I City, Stall, and ZIP mdc) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

**C FAA AC 69-5536**

## Every issue (1)

- July 16, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/8d/0c/8d0cd94b1b07800922be9c72d8545cc755649ca2906336f4d48be52fb7447813)

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