Originally Posted by
mustbeaboeing
Blue Tail in post 3036...could it be Air Foyle Piper Aztec?
I was told the B720 B’s, as used by Monarch, HF aerial was ‘IN the fin” but wondered if anyone can confirm ?
Monarch's 720Bs had the HF fin probe:
https://www.planespotters.net/photos/reg/G-AZFB