G-RBOS Hot Air Balloon

G-RBOS is a Colt AS-105 hot air balloon, built in 1982 and registered in the UK. No public sightings of G-RBOS have been logged yet. There is one photograph of it in the archive.

Also written G RBOS or GRBOS.

First photographed here by Mel Kirby on 7 September 2026.