JScarry
Line Up and Wait
- Joined
- Jun 15, 2008
- Messages
- 584
- Display Name
- JScarry
- Home Airfield
- KSBP
Mode S transponders are required to transmit a 24-bit ICAO code that is calculated from your tail number. Mine displays the tail number by pushing the function key and I suspect most newer ones do—where newer is less than 20 years old.