# STC ST04421NY

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Aeroconseil, France
- Description: Installation of 1090MHz Extended Squitter Automatic Dependent Surveillance - B (ADSB) out system
- Applied: October 24, 2019
- Status date: November 14, 2019
- Product: Aircraft, Large Airplane
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A2NM](https://openairdocs.org/tcds/A2NM)
- Certificate PDF: https://openairdocs.org/files/sha256/2a/4c/2a4cd48fb5d39d5ee48e301f824d2e595db2abfd92ff48102a2258934d7ec6b5
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2CB83C43A6670DE3862585A700526FA7.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST04421NY

## ADs that name it (0)

None.

## Approved models (3)

- The Boeing Company 757-200 Series ([TCDS A2NM](https://openairdocs.org/tcds/A2NM))
- The Boeing Company 757-200PF Series ([TCDS A2NM](https://openairdocs.org/tcds/A2NM))
- The Boeing Company 757-300 Series ([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.

FAA Form 8110-2 (5/14) This certificate issued to: AEROCONSEIL 7 BOULEVARD HENRI ZIEGLER

**ZAC ANDROMEDE 31700 BLAGNAC, FRANCE**

Part 25 of the Federal Aviation Regulations.

A2NM Make: BOEING Model: 757-200 Series, 757-200PF Series, 757-300 Series Description of Type Design Change:

1. Installation of 1090MHz Extended Squitter Automatic Dependent Surveillance - B (ADSB) out system must be in accordance with Aeroconseil Master Data List Document No. 0390-01-A-MDL-R00, dated July 12, 2019, or later EASA approved revisions.

2. Maintenance of this modification must be in accordance with Aeroconseil Instructions for Continued Airworthiness No.

0390-01-A-ICA-R00 dated May 14, 2019, or later EASA accepted revisions.

3. Operation must be in accordance with Aeroconseil Flight Manual Supplement No. 0390-01-A-AFMS-R00, dated July 2, 2019, or later EASA approved revisions.

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

2. 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.

3. The following STC is a prerequisite to this modification: FAA STC ST04436AT, issued December 13, 2018 - Installation of Rockwell Collins Multi-Mode Receiver (MMR).

Date of Application: October 24, 2019 Date of Issuance: November 14, 2019 Date Reissued:

By Direction of the Administrator Signature Title Anthony E. GalloManager New York ACO Branch Possession of this Su pplemental Type Certificate (STC) document by persons other than the STC holder does not constitute rights to the design data nor to alter an aircraft, aircraft engine, or propeller. The STC’s supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is th e property of the STC holder.

Page 1 of 2 United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate IMPORT Number: ST04421NY

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Page 2 of 2FAA Form 8110-2 (5/14)

Transfer Endorsement Transfer the ownership of Supplemental Type Certificate Number: ST04421NY To (Name and address of transferee) From (Name and address of grantor) Extent of Authority (if licensing agreement):

## Every issue (1)

- November 14, 2019: Issued, Current. [certificate](https://openairdocs.org/files/sha256/2a/4c/2a4cd48fb5d39d5ee48e301f824d2e595db2abfd92ff48102a2258934d7ec6b5)

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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.