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G-BFOS is a Thunder AX6-56A hot air balloon, built in 1978 and registered in the UK. No public sightings of G-BFOS have been logged yet. There is one photograph of it in the archive.
Also written G BFOS or GBFOS.
UK civil aircraft register, 6 Sep 2026
First photographed here by Bill Teasdale on 7 September 2026.