# STC SA532SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic aileron stabilizer model AK173.
- Applied: June 30, 1965
- Status date: June 25, 1984
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A3SO](https://openairdocs.org/tcds/A3SO)
- Certificate PDF: https://openairdocs.org/files/sha256/89/53/89537deeeab697e448fa5c2874e84cc6095782fb9bb7da1afeafd6cbbe420eff
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/AC74992314B7DD6B85256CC20012286E.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA532SW

## ADs that name it (1)

- [AD 70-15-18](https://openairdocs.org/ad/70-15-18): Automatic Pilot and Automatic Aileron Stabilizer Instruments · Mitchell Industries Auto Pilot Systems Instruments. Effective Aug 31, 1970. Cited in the text

## Approved models (2)

- Piper Aircraft Inc. PA-32-260 ([TCDS A3SO](https://openairdocs.org/tcds/A3SO))
- Piper Aircraft Inc. PA-32-300 ([TCDS A3SO](https://openairdocs.org/tcds/A3SO))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA53254 This certificate issued to: Century Flight Systems, Inc.

F.M. 1195 P. O. Box 610 Mineral Wells, IX 76067 Parl 3 of the Civ11 Air Regulations Original Product - Type bertificate Number: A3SO Make: Piper Model: PA-32-260, PA-32-300 Carlon Tea hange itchail induse es, her. Butter. restablizer June 30, 1965; Bulletin No. 286 dated March 20, 1967; or Bulletin No. 286 dated May 16, 1968.

1. Mitchell Industries, Inc, FAA Approved Airplane Flight Manual Supplement dated 7-8-65 required with installation in accordance with Bulletin No. 286 dated 6-30-65.

2. Mitchell Industries, Inc. FAA Approved Placard 13A322-173 required with installation in accordance with Bulletin No. 286 dated 3-20-67.

3. Mitchell Industries, Inc. FAA Approved Placard 13A322-173, Revision B dated Thist bleederera the supporting tase ich is the basis fur approval shall memuin in effeel until sur- Compatibffitref this Instalation in accordance with Bull. No. 280 dated 3-16-68. this modification with other previously approved modifications vendered, suspended, revoked, on a termination dale is thorwise es lablished by the Adminis bral, r of the Federal Aviation Administration .

Date of Application: June 30, 1965 Jut missued: 5-1-67; 9-4-68; 6-25-84, Revision 3 Date of Issuance: July 8, 1965 Jale unended:

DERA AVIATIO Don P. Watson (Signature ) TOMINISTRATO Manager, Aircraft Certification Division Southwest Region (Title )

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

(Address of transferee) (Number and street) (City, State, and ZIP code ) from (Name of grantor) (Print or type) - (Address of grantor) (Number and street) (City, State, and ZIP code ) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):.

U.S. GOVERNMENT PRINTING OFFICE: 1966 OF-205-579

## Every issue (1)

- June 25, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/89/53/89537deeeab697e448fa5c2874e84cc6095782fb9bb7da1afeafd6cbbe420eff)

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