STC ST74CH

Supplemental type certificate · U.S. Technical Consultants Inc.

Holder
U.S. Technical Consultants Inc. · United States
Status
Current · Reissued
Status date
September 29, 2006
Applied
March 22, 1993
Product
Aircraft · Large Multi-Engine
Certification basis
Part 21, Part 25
Data sheet
TCDSA20WE

From FAA DRS, with our copy of the certificate PDF. DRS record last changed December 5, 2025.

What it approves

Installation of a ground public telephone communication system(Seatfone) or Genstar System.

What the certificate says

From the PDF’s text layer, without the form’s printed wording. Layout and order may differ; the PDF is the record.

Part 25 of the Federal Aviation Regulations.

See Type Certificate Data Sheet A20WE for complete certification basis.

Installation of a Ground Public Telephone Communication System (Seatfone) or Genstar System in accordance with GTE Airfone STC Documentation Checklist AFD 70-0062-00, Rev. 1, dated January 8, 1996, or later FAA Approved Revision.

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

2. 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 A20WE Make : Boeing Model : 747-100 Series Date of application : March 22, 1993

Date of issuance : June 22, 1993

Date reissued : April 4 , 2002; September 29, 2006

Date amended : March 26, 1996

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

( Title)

ADs that name this STC · 0

An AD can apply because an STC is installed, or mention one in its text.

No AD in this release names this STC

Approved models · 1

MakeModelData sheet
The Boeing Company747-100 SeriesA20WE