Originally Posted by
Squawk7700
Correct, Survey 400 (or whichever callsign it's using at the time) the C208, does not appear on FR24 even as an unidentified. Aside from those that can pick the purring sound of a PT6, you wouldn't know if was there. It sounds like a neighbours air conditioner in summer. I haven't ever checked on my ADSB receiver if it shows up.
The C208 in Adelaide goes by the callsign Polair57, & the PC12 is Polair56. The helicopters also use the Polair callsign along with whatever number they are.
DF.