# STC SA1653SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic flight system Model AK372 consisting of AutoFlite II with optional tracking system.
- Applied: October 26, 1972
- Status date: July 16, 1984
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1A10](https://openairdocs.org/tcds/1A10)
- Certificate PDF: https://openairdocs.org/files/sha256/4a/f3/4af3b97870ae9d716c74a50c333061b99e906577cbde47be3c206fdd88b5f100
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E5337576BE3B6CF785256CC10082151B.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1653SW

## ADs that name it (0)

None.

## Approved models (2)

- Piper Aircraft Inc. PA-23-250 ([TCDS 1A10](https://openairdocs.org/tcds/1A10))
- Piper Aircraft Inc. PA-E23-250 ([TCDS 1A10](https://openairdocs.org/tcds/1A10))

## 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.

©epartment of ^transportation —Jfedera! aoiation administration Supplemental 'Cgpe Certificate SA1653SW > Century Flight Systems, Inc.

P.M. 1195 P. 0. Box 610 Mineral Wells, TX 76067 —— , Airfie- Vi£f£jifaJf^/Yu<rn6tf • 1A1U Piper PA-23-250, PA-E23-250 ,naf .

LlVll Air Installation of Mitchell Automatic Flight System Model AK372 consisting of Auto- Flite II with optional tracking system according to Bulletin No. 493 dated 10-24-72 and Master Drawing List 87A635 dated 10-26-72, FAA Approved Airplane Flight Manual Supplement dated May 9, 1973, is required.

Also eligible on Piper Models PA-23-250 and PA-E23-250 modified in accordance with STC SA909WE.

This modification is limited to aircraft with 28V electrical systems, / approved ..odlf teationa f/i iA &ie-#aAi&4t-f-aSi/i'>*'i>alAsia/e/r*rrtMiri <- it£A^ »•««««•/- 7-16-84, Revision 1 Don P. Watson <S>gnaiu,e) Manager, Aircraft Certification Division Southwest Region

Thr FAA will reissue the certificate m the name of the transferee and forward it to him.

TRANSFER ENDORSEMENT Transfer [lie ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) r and j (City, Slatr, and <7P cadi!

from (Name of grantor) (Print or type) (Address of grantor) ( Wvmtrtr and ilrfttf (City. Sau, mrf ^IP call) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):_ C FAA AC6U-5S36

## Every issue (1)

- July 16, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/4a/f3/4af3b97870ae9d716c74a50c333061b99e906577cbde47be3c206fdd88b5f100)

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