Main Terminal, . Landside, Security checkpoint 44, Gate 8, Level 3 (Next to CHUM counter, exclusive channel for First class and business class). Maximum 2 hour stay. Subject to availability. You can be admitted no more than 3 hours before departure and only at the departure terminal. Security checkpoint 44, Gate 8, Level 3 (Next to CHUM counter, exclusive channel for First class and business class)