1/200 British Airways Helicopters Boeing 234 Chinook GBISP1 200 British Airways Helicopters Boeing 234 Chinook G BISP From 1964 BEA and later, after the merger with BOAC, the newly formed British Airways operated a fleet of helicopters on feeder and commuter routes and for supply flights to oil rigs in the waters around Great Britain. From 1981, six Boeing 234s joined the fleet, a civilian version of the indestructible CH 47.