Westjet B738 near Calgary on Sep 1st 2014, loss of separation with remote controlled vehicle

A Westjet Boeing 737-800, registration C-GWSV performing flight WS-1565 from San Diego,CA (USA) to Calgary,AB (Canada), was on RNAV RNP Y17R approach to Calgary at 7000 feet between waypoints OVEBI and YC434, when the crew reported a remote controlled vehicle crossing their flight path at the same altitude in front of them. The crew continued the approach for a safe landing on Calgary's runway 17R a few minutes later.

The Canadian TSB reported an unmanned aerial vehicle crossed the flight trajectory of the Westjet Boeing.