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Avionics

STC ST04421NY

FAA DRS lists ST04421NY as Current · Issued, held by Aeroconseil, for Boeing 757-200 Series, Boeing 757-200PF Series, and Boeing 757-300 Series. Recorded change: Installation of 1090MHz Extended Squitter Automatic Dependent Surveillance - B (ADSB) out system. Snapshot dated June 30, 2026.

FAA-listed holder
Aeroconseil
Aircraft configurations
3
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

Installation of 1090MHz Extended Squitter Automatic Dependent Surveillance - B (ADSB) out system.

ST04421NY identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.

Applicability

Aircraft named in FAA DRS

Named aircraft: Boeing 757-200 Series, Boeing 757-200PF Series, and Boeing 757-300 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing 757-200 SeriesA2NMBoeing 757-200PF SeriesA2NMBoeing 757-300 SeriesA2NM

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing 757-200 Series and Boeing 757-200PF Series, and 1 more aircraft configuration model, serial range, and configuration?
  2. 02Which part numbers, software versions, interfaces, and manual changes apply?
  3. 03Who can legally supply the design data, kit, instructions, and ICAs?
  4. 04What parts, labor, conformity, and return-to-service work are excluded?

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