aircraft beacon造句

• Every year on December 7 the aircraft beacon atop the summit building is illuminated from sunset to dawn.
• With the securing of the islands, weather stations and aircraft beacons were set up to further aid the pilots.
• To his delight, Ryan discovered that one button illuminated a green light atop an aircraft beacon, and another triggered the alarm and opened the garage door of a fire house along the tracks.
• Three flashing red aircraft beacons were also visible from the area of the sightings, possibly accounting for the pulsating red light seen by the witnesses and for the red tint on the face of the creature.
• ELTs for general aviation aircraft were constructed to transmit on 121.5 MHz, a frequency monitored by airliners and other aircraft . Military aircraft beacons were manufactured to transmit at 243.0 MHz, in the band commonly used by military aviation.
• Only after he was assured by other troops standing nearby that the area had been swept for mines, Nelson, a 32-year-old Air Force communications specialist from Deptford Township, N . J ., led his team out onto the marshy field, where they are installing an aircraft beacon this weekend.