What does the instruction "Fastair 345 recycle 1240" mean ? :
A
Fastair 345 is requested to reselect assigned mode and code 1240.
B
RADAR instructs Fastair 345 to stop squawk 1240 immediately.
C
Fastair 345 is requested to set new code 1240.
D
RADAR informs Fastair 345 that radar service is terminated at time 1240.