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What is the minimum non-radar separation between a light or medium aircraft and a heavy aircraft taking off on parallel runways separated by less than 760 m (2500 ft)?

  • A
    1 minute.
  • B
    5 minutes.
  • C
    3 minutes.
  • D
    2 minutes.

Refer to figures.
ICAO Doc 4444
5.8.3 Departing aircraft

5.8.3.1 A minimum separation of 2 minutes shall be applied between a LIGHT or MEDIUM aircraft taking off behind a HEAVY aircraft or a LIGHT aircraft taking off behind a MEDIUM aircraft when the aircraft are using:

a) the same runway;
b) parallel runways separated by less than 760 m (2500 ft);
c) crossing runways if the projected flight path of the second aircraft will cross the projected flight path of the first aircraft at the same altitude or less than 300 m (1000 ft) below;
d) parallel runways separated by 760 m (2500 ft) or more, if the projected flight path of the second aircraft will cross the projected flight path of the first aircraft at the same altitude or less than 300 m (1000 ft) below.

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