# STC SA00670AT

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Chelton Aviation Corporation, United States
- Description: Installation of an OCEM AP-2C or AP-3C autopilot system in accordance with Automatic Flight Systems OCEM AP-2C, AP-3C Installation Manual for Aircraft Piper Models PA-30 and PA-39  dated February 15, 1995, or later FAA Approved revisions.
- Applied: June 24, 1994
- Status date: April 6, 2004
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS A1EA](https://openairdocs.org/tcds/A1EA)
- Certificate PDF: https://openairdocs.org/files/sha256/75/a2/75a28acd5715ace8b921cf34af53f067ec27e7d8339823c9e29dee1422fb6cfd
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/AB91FF346A64956886256E8300654B8F.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA00670AT

## ADs that name it (0)

None.

## Approved models (2)

- The New Piper Aircraft Inc. PA-30 ([TCDS A1EA](https://openairdocs.org/tcds/A1EA))
- The New Piper Aircraft Inc. PA-39 ([TCDS A1EA](https://openairdocs.org/tcds/A1EA))

## 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.

Number SA00670AT This certificate issued to Chelton Aviation Corporation 5011 Sabre Drive Denton, Texas 76207

Part 3 of the Civil Aviation Regulations.

Original Product--Type Certificate Number : A1EA Make :

Piper PA-30, PA-39 Description of Type Design Change: Installation of an OCEM AP-2C or AP-3C autopilot system in accordance with “Automatic Flight Systems OCEM AP-2C, AP-3C Installation Manual for Aircraft Piper Models PA-30 and PA-39” dated February 15, 1995, or later FAA Approved revisions.

Limitations and Conditions: Installation is approved for both aircraft models with normally aspirated or turbo charged engines not exceeding 160 horsepower rating. This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated, unless it is determined by the installer that the interrelationship between this change and any other previously approved modifications will produce no adverse effect upon the airworthiness of that airplane. FAA Approved Airplane Flight Manual Supplement, dated 2/28/95, is a required part of this STC. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Date of application : 6/24/94

Date of issuance : 2/28/95 Date reissued : April 6, 2004

(Signature) Melvin D. Taylor Manager Atlanta Aircraft Certification Office

(Title)

## Every issue (1)

- April 6, 2004: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/75/a2/75a28acd5715ace8b921cf34af53f067ec27e7d8339823c9e29dee1422fb6cfd)

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