I see F=Rsin is doing an A300-600
This is the Compass Airlines type
F-RSIN Plastic will be introducing an injected plastic A300-600 at Telford. The kit consists of Revell Beluga sprues and a specific A300-600 sprue. Decals include American (silk), Thai (old) (silk), Lufthansa (silk), Tunisair (laser) Iran Air (laser) and Monarch (old) (laser).
Price = €36 or £32
As I have a few Belugas, I must ask Laurent if I can just get the parts for the conversion with out the Beluga and Decals