No. It's done on an annual basis per airport, so it's not done on a 24-hour basis.
On November 9th, 2017. See this statement in context.
On November 9th, 2017. See this statement in context.
November 9th, 2017 / 4:05 p.m.
President and Chief Executive Officer, Canadian Air Transport Security Authority
No. It's done on an annual basis per airport, so it's not done on a 24-hour basis.
See context to find out what was said next.