According to ICAO Doc 4444 , a wake turbulence non-radar separation minima of 3 minutes shall be applied…
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A
between a LIGHT aircraft and a SUPER aircraft making a missed approach and the LIGHT aircraft utilising an opposite-direction runway for take-off.
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B
to LIGHT aircraft taking-off behind a MEDIUM aircraft from an intermediate part of a parallel runway separated by less than 760 m.
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C
to a departing MEDIUM aircraft following a HEAVY aircraft arrival when operating on a runway with a displaced landing threshold.
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D
to an arriving LIGHT aircraft following a MEDIUM aircraft departure when operating on a runway with a displaced landing threshold, if the projected flight paths are expected to cross.
ICAO Doc 4444
5.8.3 Departing aircraft
5.8.3.2 A separation minimum of 3 minutes shall be applied between a LIGHT or MEDIUM aircraft when taking off behind a HEAVY aircraft or a LIGHT aircraft when taking off behind a MEDIUM aircraft from:
a) an intermediate part of the same runway; or
b) an intermediate part of a parallel runway separated by less than 760 m (2500 ft).
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