STC ST03861AT
FAA DRS lists ST03861AT as Current · Reissued, held by LB Aircraft Engineering LLC, for Boeing 737-200 Series, Boeing 737-300 Series, and Boeing 737-400 Series. Recorded change: Installation of Dual Collins DME-42 interrogator sensors (transceiver-receiver), Dual Antennas and 28 VDC circuit breakers. The scanning DME system will interface via the CSDB data bus with Universal Avionics UNS-1F or UNS-1Fw FMS system to provide distance indication. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
ST03861AT 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, Boeing 737-300 Series, and Boeing 737-400 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
Related avionics STCs
Installation of a FreeFlight Systems RA-4500 MKII 5G Tolerant Radar Altimeter.
FAA holder: FreeFlight Systems Ltd.
Modification of Rockwell Collins, Inc. Multi-Mode Receiver (MMR) and transponder\nsystems.
FAA holder: Rockwell Collins Inc.