It’s in the Windsock Datafile #42, J.M Bruce, Albatros Productions, 1993, page 31 as:
Blackburn built BE2c, No 10,000 was delivered to the RNAS Observer’s school Eastchurch, on July 19 1917. It’s career was brief: after a crash at Eastchurch it was deleted on August 31 1917
Richard