Originally Posted by Martin Bull Originally Posted by DCRanger A question that MB might be able to answer. I think I have seen a yellow circle behind a Lancaster pilot's seat and this kit also has one behind the pilot's seat but one inside an airframe? What's it's purpose? Sorry for the very belated response, DCR...but I finally had it confirmed today that the mysterious 'Yellow Dot' is a 'gas patch', the same as the one on the pilots' armour ...