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G-BSOF is a Thunder AND Colt Colt 25A hot air balloon, built in 1991 and registered in the UK. No public sightings of G-BSOF have been logged yet. There is one photograph of it in the archive.
Also written G BSOF or GBSOF.
UK civil aircraft register, 20 Sep 2026
First photographed here by G Duke on 7 September 2026.
