F/Lt. Hetherington was a crew member of Liberator II of 511 squadron which was returning to the UK, with women and children on board but which crashed in Gibraltar. There were some survivors.
Though Without Anger (Losses of Transport and Special Duties Aircraft and Assault Gliders 1940 to 1945). Compiled and edited by Colin Cummings. Nimbus Publishing; 2008; ISBN 978 0 9526619 6 2
He is remembered in Haltwhistle in H5.06
History of 249 Squadron
The CWGC entry for Flight Lieutenant Hetherington
