CAP 413 Radiotelephony Manual
Chapter 9 Page 1
Chapter 9 Miscellaneous Phraseology
1 Other Communications
1.1 Wake Turbulence
1.1.1 ATC will provide the appropriate separation between IFR flights. When instructions
are issued to regain wake turbulence separation, the controller shall use the following
phraseology to make this apparent to the pilot.
1.1.2 If a pilot elects to execute a visual approach, or is arriving as a VFR flight, it is his
responsibility to ensure an adequate distance from the preceding aircraft, although
ATC will pass the appropriate distance.
1.1.3 For departing flights ATC will issue take-off clearance when the required wake
turbulence separation minima will be achieved. The minima to be applied at the time
the aircraft are airborne is dependent on aircraft sequence, wake turbulence
categories, and runway departure configuration.
1.2 Wind Shear
When wind shear is forecast or is reported by aircraft, ATC will warn other aircraft until
such time as aircraft report the phenomenon no longer exists.
G-BJCD, for wake turbulence
separation turn left heading 270
degrees
Turning left heading 270 degrees,
G-BJCD
G-BJCD, caution wake turbulence
the recommended distance is
(number) miles
G-BJCD
G-BJCD, Ready G-BJCD, Hold position, (number)
minutes delay due to wake
turbulence
Holding, G-BJCD
G-CD, at 0745 a departing B757
reported windshear at 800 feet.
Airspeed loss 20 knots, strong right
drift
31 March 2011
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