# STC SA3276SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic flight system model AK723 consisting of Piper autocontrol IIIB autopilot with optional radio couplers.
- Applied: March 20, 1978
- Status date: March 28, 1984
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A19SO](https://openairdocs.org/tcds/A19SO)
- Certificate PDF: https://openairdocs.org/files/sha256/33/ee/33ee340e64a001c4249440d2a86f63461082b44c6b25794197a0256df8ce293a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/53AC5465B44C19E686257DB30075A6F7.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3276SW-D

## ADs that name it (0)

None.

## Approved models (2)

- Piper Aircraft Inc. PA-44-180 ([TCDS A19SO](https://openairdocs.org/tcds/A19SO))
- Piper Aircraft Inc. PA-44-180T ([TCDS A19SO](https://openairdocs.org/tcds/A19SO))

## 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.

Bepartment of transportation —federal Station administration Supplemental t^pe Certificate iSteatiia&o-r SA3276SW-D Century Flight Systems, Inc.

P.M. 1195 P. 0. Box 610 Mineral Wells, TX 76067 <*9&^f<>^'tirWf(>it<M*MM^Si4wdu££*uH^n'4n^jt<:Vrii£a/t^^ «A -a J 1 A 4 *••( Piper PA-44-180, PA-44-180T ivae' :

Installation of Mitchell Automatic Flight System Model AK723 consisting of a Piper AutoControl BIB Autopilot with Optional Radio Couplers according to Bulletin No. 857, Rev. 1 dated 1-8-80 and Master Drawing List No. 87A981 Rev. A dated 1-8-80 (14 Volt System), or later FAA approved revision.

FAA Approved Airplane Flight Manual Supplement P/N 68S668-S Rev.l: datftd 1-18-80 required or, later FAA approved revision.

modifications t 2-20-80; 3-28-84 Revision 2 Don P. WatSOn (Signature) Manager, Aircraft Certification Division Southwest Region ( Title )

**FAA F(XM 8 1 1 0-2 ( 1 0-68)**

INSTRUCTIONS: The tramfer endowment below may be u^ to notify the appropriate FAA Regional Office of the transfer of thii Supplemental Type Certificate.

The FAA will reiuue the certificate in the name of the tranfferec and forward it to him.

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

(Address of transferee). itrttt) (O0.Stole. •<*! ZIP mtt> from (Name of grantor) (Print or type).

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

Signature of grantor (In ink):

## Every issue (1)

- March 28, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/33/ee/33ee340e64a001c4249440d2a86f63461082b44c6b25794197a0256df8ce293a)

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