WINDSHEAR Flashcards
From what altitude does the WX radar starts to scan for windshear?
From 2300 ft
Below what altitude is Reactive Windshear active?
Below 1300 ft
For take-off, within what areas does the windshear scan?
30 deg either side (60 deg total)
Warning out to 3 nm within 0,25 nm either side
Caution out to 3 nm within 30 deg either side
Advisory out to 5 nm within 30 deg either side
For approach/landing, within what areas does the windshear scan?
Warning out to 1,5 nm within 0,25 nm either side
Caution out to 3 nm within 30 deg either side
Advisory out to 5 nm within 30 deg either side
How are windshear advisory alerts displayed?
The windshear icon is displayed but without any aural alerts
What is the Windshear Caution alert on the ground?
“Monitor Radar Display”
What is the Windshear Caution alert in the air?
“Monitor Radar Display”
What is the Windshear Warning alert in the air?
“Go Around, Windshear Ahead”
What is the Windshear Warning alert on the ground?
“Windshear Ahead x 2”
What is the way to call ATC about a windshear encounter?
“HK Shuttle windshear escape, 30 kts @ 1500 ft”
Which computer is responsible for the Reactive Windshear detection function?
The FAC
When is Reactive Windshear active in the take-off and the approach phase?
At take-off, 3 sec after liftoff, up to 1300 ft RA
At landing, from 1300 ft RA down to 50 ft RA
At least flap 1 has to be selected
Below what altitude is PWS active?
2300 dt
How can you recognize that you are in a windshear condition by looking at the parameters on the PFD?
IAS change of +- 15 kts
HDG change of 10 deg
Pitch changes of 5 deg
V/S changes of 500 ft/min
What is the recommended flap setting if doing an approach when windshear is suspected?
Conf 3