# STC SA01924CH

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Alt-Terra Survey, Inc., United States
- Description: Installation of provisions for a belly mounted camera.
- Applied: November 3, 2003
- Status date: July 3, 2012
- Product: Aircraft, Small Airplane
- Certification basis: Part 21, Part 23
- Data sheets: [TCDS A20SO](https://openairdocs.org/tcds/A20SO)
- Certificate PDF: https://openairdocs.org/files/sha256/a8/a8/a8a8d1731f4866486c85ffed687f96e643a007b4e5642bef9f50aa7f9211173d
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/04787ED37F85D50886257A590060880A.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA01924CH

## ADs that name it (0)

None.

## Approved models (3)

- Piper Aircraft Inc. PA-31 ([TCDS A20SO](https://openairdocs.org/tcds/A20SO))
- Piper Aircraft Inc. PA-31-325 ([TCDS A20SO](https://openairdocs.org/tcds/A20SO))
- Piper Aircraft Inc. PA-31-350 ([TCDS A20SO](https://openairdocs.org/tcds/A20SO))

## 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.

This certificate issued to Alt-Terra Survey, Inc.

511 Adams St.

Sheboygan Falls, WI 53085

Part 23 of the * Federal Aviation Regulations

Original Product--Type Certificate Number : * A20SO Make : * Piper Aircraft, Inc.

* PA-31, PA31-325, PA31-350 Description of Type Design Change:

Installation of provisions for a belly mounted camera in accordance with Alt-Terra Survey, Inc., Master Drawing List GS-066-100DL, Rev. D, dated December 15, 2010, or later FAA approved revisions.

1. The installer must determine whether this design is compatible with previously approved modification.

2. Airplane Flight Manual Supplement Doc. GS-066-200FMS, Rev. E, dated March 11, 2012 or later FAA approved revision is required.

3. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.

Date of application : November 3, 2003

Date of issuance : December 19, 2003 Date amended : May 5, 2004, July 3, 2012

Original Signed By:

Karol Mordasiewicz ( Signature) Karol Mordasiewicz Manager, Airframe & Administrative Branch Chicago Aircraft Certification Office

( Title)

FAA FORM 8110-2-1(10-69) PAGE 2 of 2 PAGES

Number

## Every issue (1)

- July 3, 2012: Amended, Current. [certificate](https://openairdocs.org/files/sha256/a8/a8/a8a8d1731f4866486c85ffed687f96e643a007b4e5642bef9f50aa7f9211173d)

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