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Avionics

STC ST00553LA-D

FAA DRS lists ST00553LA-D as Current · Reissued, held by United Airlines Inc, for Boeing 737-200 Series. Recorded change: Modifies the aircraft to install an AlliedSignal Flight Data Acquisition Unit, part number 965-0649-004, and status relay, installation of wiring from sensors and autopilot system to the FDAU, installation of wiring from the FDAU to the flight data recorder, installation of a circuit breaker for the new sensors, and re-routing of some existing wiring. The installation is in accordance with DAS-1-WE Approved United Air Lines Master Document List No. 00553 dated August 17, 1999, or later FAA approved revisions. Snapshot dated June 30, 2026.

FAA-listed holder
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Modifies the aircraft to install an AlliedSignal Flight Data Acquisition Unit, part number 965-0649-004, and status relay, installation of wiring from sensors and autopilot system to the FDAU, installation of wiring from the FDAU to the flight data recorder, installation of a circuit breaker for the new sensors, and re-routing of some existing wiring. The installation is in accordance with DAS-1-WE Approved United Air Lines Master Document List No. 00553 dated August 17, 1999, or later FAA approved revisions.

ST00553LA-D 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 737-200 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing 737-200 Series 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?