Peter and Susan wrote:
I have been waiting for someone to mention the drug runner intercepted or
chased by the RAAF C130 [?] up around Darwin many years ago.
Something about
relative speeds and the C130 having to slow down enough?

All the RAAF could possibly do is to track it and wait for it to land.
They would have to call in police or Customs to make an arrest.

Cheers
David