<Dd> The pilot should set the aircraft's transponder code to 4263 so that ATC can positively identify the flight on radar . </Dd> <P> The clearance scheme, used by ATC, can be easily remembered using the acronym </P> <Dl> <Dt> "CRAFT" </Dt> <Dd> Clearance Limit - Route - Altitudes - Frequencies - Transponder (Squawk) </Dd> </Dl> <Dt> "CRAFT" </Dt>

What is the difference between vfr flying an ifr flying