researching information Halifax serial BB311

Hello, i am french and new on the forum.
I need help to write an article about a crash.

Halifax serial BB311 (code EQ-L)from 408 squadron crashed in France on April 15th 1943.

I search all informations, pictures and more if you can about the crew.

P/O L.E.Usher RCAF (J/14135)—> pilot

Sgt J.J Courtney RAF (1086282)—> wireless operator / air gunner KIA

P/O G.M.Parkinson RCAF (J/13820) —>???????? 🙁

P/O R.H.Jay RCAF (J/16465) —>???????? 🙁

Sgt R.E.Dressler RCAF (R/59857) —>???????? 🙁

Sgt I.R.MacDonald RCAF (R/137824) —>???????? 🙁

Sgt W.Reed RCAF (R/105201) —>???????? 🙁

Thank you for your help.

Phil