Check the listing for details. WestJet 737NG Marker Beacon Antenna. Condition: Used. Listed at 150.00 USD. Authentic Boeing 737NG Marker Beacon Antenna, PN: DMN27-2, removed from a retired WestJet aircraft. This antenna was part of the aircraft’s navigation system, providing reliable signal reception for marker beacons during approach and landing phases. A unique piece for aviation collectors, educators, or creative display. Sold as-is, with signs of normal wear from airline service—perfect for adding real airline history to your collection.