G-BSZL Hot Air Balloon

G-BSZL is a Thunder AND Colt Colt 77A hot air balloon, built in 1991 and registered in the UK. No public sightings of G-BSZL have been logged yet. There is one photograph of it in the archive.

Also written G BSZL or GBSZL.

First photographed here by G Duke on 7 September 2026.