G'day Pinky,
I used to do one RPT / Mail run in the Pilbara, the final section of which was from Yarri to Muccan.
Report 'dep' Yarri, get acknowledgment, then call 'Circuit area' Muccan, get ack., then 'landed Muccan CNL SAR'.....
I know, 'twas further than yours, but 7 nm and flat between them, as was Aitape to Tadji, which was only 6nm....
All good fun to see if the FSO was 'up to par'.....in dem good ole days....
Cheers