Sunday, October 23, 2016

Wake Turbulence And Jet Blast Hazards

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AERODROME CONTROL TOWER shall, when applicable, apply the wake turbulence separation minima specified in 1.20.5.6. Whenever the responsibility for wake turbulence avoidance rests with the pilot-in-command, AERODROME CONTROL TOWER shall, to the extent practicable, advise aircraft of the expected occurrence of hazards caused by turbulent wake.

Note.— Occurrence of turbulent wake hazards cannot be accurately predicted and aerodrome controllers cannot assume responsibility for the issuance of advice on such hazards at all times, nor for its accuracy.

In issuing clearances or instructions, AERODROME CONTROL TOWER should take into account the hazards caused by jet blast and propeller slipstream to taxiing aircraft, to aircraft taking off or landing, particularly when intersecting runways are being used, and to vehicles and personnel operating on the aerodrome.

Note.— Jet blast and propeller slipstream can produce localized wind velocities of sufficient strength to cause damage to other aircraft, vehicles and personnel operating within the affected area.


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