1918-10-10: Cadet MacDonald reputedly died on this date. However, his death is not part of the Andrew Pentland database of WWI Airmen, not could I find anything in the civil record
MacDonald, Donald James (Cadet)
unknown 1918-October-10

Birth Date: 1889
Born: Grenfell, Saskatchewan
Parents: Donald John & Annie M. MacDonald
Spouse:
Home: Regina, Saskatchewan.
Enlistment:
Enlistment Date: unkown date
Service
RAF
Unit
(RAF)
Base
Rank
Cadet
Position
pilot-trainee
Service Numbers
272600