# STC SA1243GL

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: U.S. Technical Consultants Inc., United States
- Description: Installation of an Air to Ground Public Telephone Communication System (Seatfone).
- Applied: September 14, 1987
- Status date: September 29, 2006
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A3WE](https://openairdocs.org/tcds/A3WE)
- Certificate PDF: https://openairdocs.org/files/sha256/44/30/44304cd5366a6ebfa39c61a40c33c99d8efac858e378fed730d16944323059cb
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/EFB5B06E67ED1773862572D500477D65.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1243GL

## ADs that name it (0)

None.

## Approved models (2)

- The Boeing Company 727-100 Series ([TCDS A3WE](https://openairdocs.org/tcds/A3WE))
- The Boeing Company 727-200 Series ([TCDS A3WE](https://openairdocs.org/tcds/A3WE))

## 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 4b of the Civil Air Regulations.

See Type Certificate Data Sheet A3WE for complete certification basis.

Installation of a GTE Airfone Digital Public Telephone System (Genstar), installed per GTE Airfone STC Documentation Checklist AFP 70-0283-AA, Rev. 22, dated July 13, 1995, or later FAA Approved revision.

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

2. All seatbacks and bulkheads on which an airfone is mounted must be of the breakaway type or have no injurious objects in the head strike radius.

3. This approval is limited to aircraft with STC SA878GL installed previously or in conjunction with this installation.

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 A3WE Make : Boeing Model : 727-100, 727-200 Series Date of application : 9 / 14 / 87

Date of issuance : 10 / 11 / 87

Date reissued : 4 / 4 / 02; 9/29/06

Date amended : 12 / 9 / 87; 4 / 21 / 89;

10 / 18 / 89; 8 / 30 / 95

( 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/sha256/44/30/44304cd5366a6ebfa39c61a40c33c99d8efac858e378fed730d16944323059cb)

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