# STC SA1667GL

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: U.S. Technical Consultants Inc., United States
- Description: Installation of a GTE Airfone Public Telephone System (Genstar).
- Applied: October 10, 1991
- Status date: September 29, 2006
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A22WE](https://openairdocs.org/tcds/A22WE)
- Certificate PDF: https://openairdocs.org/files/sha256/12/10/12103e279bc4703ccc261879fbc07301ea4424a43919e42beb3e89c30761085a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6E47B9AF792FF30B862572D50049C6BF.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1667GL

## ADs that name it (0)

None.

## Approved models (2)

- McDonnell Douglas Corporation DC-10-10 ([TCDS A22WE](https://openairdocs.org/tcds/A22WE))
- McDonnell Douglas Corporation DC-10-30 ([TCDS A22WE](https://openairdocs.org/tcds/A22WE))

## 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.

Part 25 of the Federal Aviation Regulations.

(See Type Certificate Data Sheet A22WE for complete certification basis.)

Installation of a Public Telephone System (Genstar) installed per GTE Airfone STC Documentaion Checklist AFD70-0037-00, Rev. 7, dated May 22, 1998, or later FAA Approved revisions.

1. Compatability of this design change with previously approved modifications must be determined by the installer.

2. FAA Approved Airplane Maintenance Manual Supplement, dated February 6, 1998, or later FAA Approved Revision is required.

3. Category III landings (Autoland) are not permitted when this STC is installed.

4. 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.

U.S. Technical Consultants, Inc.

2461 E. Orangethorpe, STE 105 Fullerton, CA 92831 A22WE Make : McDonnell Douglas Model : DC-10-10; DC-10-30

Date of application : October 10, 1991

Date of issuance : November 25, 1991

Date reissued : April 24, 2002; September 29, 2006

Date amended : February 8, 1994; September 16, 1996;

February 6, 1998; July 20, 1998

( Signature) Charles L. Smalley Manager, Systems and Flight Test Branch Chicago Aircraft Certification Office

( Title)

## Every issue (1)

- September 29, 2006: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/12/10/12103e279bc4703ccc261879fbc07301ea4424a43919e42beb3e89c30761085a)

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From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.