You keep hearing experts talking about the missing Malaysia Airlines Flight 370 and the fact that its transponder went from on to off. What are aviation transponders? Here’s a quick primer: Q ...

A transponder for use in general aviation would typically cost from $2,000 to $7,000; versus $20,000-$30,000 for a commercial airliner. There’s nothing fancy about the technology.

As everybody know by now, on Sept. 11 2001, the first thing terrorists did as soon as they reached the cockpit of the four hijacked planes was turning the transponder off. This made the doomed ...

tailBeaconX is Aireon Compatible for Space-Based ADS-B Surveillance uAvionix today introduced a new ADS-B transponder to its General Aviation (GA) and Urban Air Mobility (UAM) lineup. tailBeaconX, the ...

US aerospace technology firm Sagetech Avionics said approval in Brazil for its micro-transponder, the MXS, will open new opportunities in the South American country and beyond. Sagetech this month ...

Turning off the transponder is considered a major red flag in aviation, usually associated with military missions, espionage, or unauthorized cargo delivery.

Between June 16 and June 20, the 22nd NATO Air Policing Detachment stationed in the Baltic region conducted a series of ...

The University of Nebraska-Omaha’s director of the Aviation Institute, Scott Vlasek, said his first question was if the plane was flying without a transponder, or if it was turned off.

Funded by the Federal Aviation Administration, the transponder-based system became mandatory for large airliners in the United States in 1993, and it is now common on all manner of commercial ...

You keep hearing experts talking about the missing Malaysia Airlines Flight 370 and the fact that its transponder went from on to off. What are aviation transponders? Here’s a quick primer: Q ...