Scale Model Flight Test Prototypes Sunk in Lake May Provide Clues to Mystery. The Canadian-built CF-105 Avro Arrow is many things in aviation history, but more than anything else, it is an enigma.

Here’s What You Need to Know: The Arrow was one beautiful fighter. In the early 1950s, the Canadian government began to solicit orders for a new high-speed interceptor. The explosion in jet technology ...