This film dates from the mid 1950s and explains the operations of GCA “Ground Controlled Approach” whereby the air traffic controllers user radar and navigation services of the day to guide aircraft in for landing when weather and visibility conditions are poor and visual flight rules are not possible.

The film was made in partnership with Trans-Canada Air Lines the simulation of GCA is made possible with a TCA Vickers Viscount and its Captain working with ATC controllers to bring the aircraft to the airport from cruising flight altitude.