Signed with Their Honour is a 1942 novel by Australian author James Aldridge.
[1][2] The novel is a fictional depiction of the activities of 80 Squadron during the British intervention in Greece.
[7] Rank Studios commenced work on the film in 1944 with Vernon Sewell as director and Osmond Borradaile as cinematographer.
Filming of the aerial sequences took place in Shrewsbury and at Denham studios, using Gloster Gladiator biplanes (which were featured in the novel).
However the production was then cancelled due to budgetary restrictions and the loss of three aircraft in accidental crashes during filming.