Book of Remembrance lists him as Army (Lord Strathcona's Horse - Royal Canadians), but he is RAF.
1918-06-04: Choate died in Camel, B-9288; when it collided in mid-air with an SE5 (serial not recorded), crashed and caught fire.
Choate, Frederick Henry (Lieutenant)
Killed in Flying Accident 1918-June-04

Birth Date: 1890-October-31
Born: Ingersoll, Oxford County, Ontario
Parents: Charles Alfred Choate & Nan Revell
Spouse: unmarried
Home: Calgary, Alberta (parents)
Enlistment:
Enlistment Date: unkown date
Service
RAF
Unit
(OT) CFS- Central Flying School (RAF)
Base
CFS Upavon, England
Rank
Lieutenant
Position
pilot
Service Numbers
2515, CEF