The Royal Canadian Air Force (RCAF) has admitted that its CC-144 Challenger jet was using the wrong transponder code while in flight.
The code was supposed to be C2B3A5 but when the co-pilot takes control of the aircraft, it switches to 4233A1.
The second erroneous code was transmitted by the second onboard transponder due to a loose plug that was suppose to program the code in the device.
The incidents had been occurring since 2018 and involved at least 80 flights.
The RCAF says all transponders on the CC-144 have been checked and are working normally.
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