G-BTTJ Hot Air Balloon

G-BTTJ is a Thunder AX9-120 S2 hot air balloon, built in 1991 and registered in the UK. No public sightings of G-BTTJ have been logged yet. There is one photograph of it in the archive.

Also written G BTTJ or GBTTJ.

First photographed here by G Duke on 7 September 2026.