# STC ST00290LA-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: American Aerospace Inc, United States
- Description: Installation of Transdigital AudioFile System on Boeing 757-200, serial number 25341 ONLY.
- Applied: April 10, 1997
- Status date: February 8, 2006
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A2NM](https://openairdocs.org/tcds/A2NM)
- Certificate PDF: https://openairdocs.org/files/sha256/77/99/779913183a7a7fc6991e77a5d645fcca1d5076a47767d23557e6a2d38edc55da
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/16A8CED0B933F80B8625711800527A59.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/ST00290LA-D

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company 757-200 ([TCDS A2NM](https://openairdocs.org/tcds/A2NM))

## 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 American Aerospace, Inc.

99 Trophy Club Drive Trophy Club Texas 76262-5422 Part 25 of the Federal Aviation Regulations.

A2NM BOEING 757-200 Description of Type Design Change: Installation of Transdigital AudioFile System per Airworks Master Data List MDL23004, Revision E-RL dated June 27, 1997.

Limitations and Conditions. Boeing 757-200 Serial Number 25341 ONLY. A copy of this STC must be included in the permanent records of the modified aircraft. 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 : April 10, 1997

Date of issuance : June 27, 1997

Date reissued: August 20, 1999, September 20, 2004; October 13, 2004, February 8, 2006

( Signature)

Manager, Technical & Administrative Support Staff, Los Angeles Aircraft Certification Office ( Title)

## Every issue (1)

- February 8, 2006: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/77/99/779913183a7a7fc6991e77a5d645fcca1d5076a47767d23557e6a2d38edc55da)

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