At the end of the First World War, the
Curtiss JN 4 Canadian was widely
available in both Canada and the United States, as the planes
were used to train pilots in
The government moved to liquidate training aircraft they no
longer needed. These surplus aircraft quickly became the most
commonly seen plane flown by civilian aviation companies. The JN
4 was used in barnstorming demonstrations at summer fares,
freighting, passenger transport, and surveying. The JN 4 became
known as a, "Jenny," a "Canadian," or a "Canuck."
A JN 4 Canuck delivered the first airmail in Canada in June
1918 between Montreal and Toronto. It was also the Jenny that
carried out aerial surveys in Labrador for the first time in
July and August of 1918.