Simon Glancey has submitted the following:
It is believed that Flight Sgt. Haynes was killed in the loss of de Havilland Mosquito VI HP865 of 6 Coastal Operational Training Unit, which crashed into the sea off the Pembrokeshire coast after suffering an engine failure, with the loss of both crew members.
He is remembered in Billingham on B139.05, at Port Clarence P36.01 and at Stockton-on-Tees S138.34
