Commonwealth Consolidated Regulations Commonwealth Consolidated RegulationsIn this Subdivision:
"operational period" of an aircraft means:
(a) for a departing aircraft:
(i) if the aircraft is at a designated airport--the period beginning 2 hours before the aircraft's scheduled departure time (or, if it is known in advance that its departure will be delayed, 2 hours before its re - scheduled departure time) and ending 30 minutes after its actual departure time; or
(ii) if the aircraft is at any other security controlled airport--the period beginning 30 minutes before the aircraft's scheduled departure time (or, if it is known in advance that its departure will be delayed, 30 minutes before its re - scheduled departure time) and ending 30 minutes after its actual departure time; and
(b) for an arriving aircraft, the period beginning 30 minutes before its scheduled arrival time (or, if it is known in advance that its arrival will be delayed, 30 minutes before its re - scheduled arrival time) and ending 30 minutes after its actual arrival time.