1939년: Railway Air Services, 실리에서 셰틀랜드까지

구간별 항법

1. 잉글랜드 남서부에서 미들랜즈까지Scilly Isles / St Mary’s EGHE → Land’s End / St Just EGHC 27 NM
   Land’s End EGHC → Plymouth EGHD 63 NM
   Plymouth EGHD → Exeter EGTE 33 NM
   Exeter EGTE → Bristol EGGD 47 NM
   Bristol EGGD → Birmingham EGBB 73 NM
2. 잉글랜드 북부와 스코틀랜드Birmingham EGBB → Manchester EGCC 57 NM
   Manchester EGCC → Liverpool EGGP 20 NM
   Liverpool EGGP → Blackpool EGNH 짧은 비행 구간
   Blackpool EGNH → Carlisle EGNC 70 NM
   Carlisle EGNC → Glasgow EGPF 79 NM
3. 북쪽 섬들을 향하여Glasgow EGPF → Perth / Scone EGPT 49 NM
   Perth EGPT → Inverness EGPE 70 NM
   Inverness EGPE → Wick EGPC 63 NM
   Wick EGPC → Orkney Islands / Kirkwall EGPA 31 NM
   Kirkwall EGPA → Shetland Islands / Lerwick - Tingwall EGET 90 NM