Which device is used to locate a downed aircraft after an emergency?

• A. PLB
• B. ELT
• C. GPS
• D. Radar

Answer: (B)

When a crash happens, rescuers rely on a beacon that actively signals distress to locate the wreckage. The device designed for this purpose is the Emergency Locator Transmitter, which is installed in the aircraft and can activate on impact or manually. It transmits signals that are picked up by satellites and search-and-rescue teams, helping responders pinpoint the crash site. A personal locator beacon is meant for individuals, not the whole aircraft, so it’s less effective for locating a downed plane. GPS provides position data but doesn’t broadcast a distress signal, so it can’t by itself guide rescuers to a crash location. Radar is used for detecting aircraft in the air, not for locating a downed aircraft after an emergency.