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When requested to maintain 160 kt until 4 miles adopt the following procedure;
Fly selected speed and Flap 2.
By 5nm latest, push managed speed and select the gear down.
When the gear is down and below VFE Next - select Flap 3.
When Flaps are at 3 and below VFE Next - select Flap Full
The approach should be stable by 1000ft above TDZE, the approach must be stable by 500ft RA.
This technique may be adapted to comply with maximum requests of 170 kt until 5nm or 180kt until 6nm. In all cases relevant conditions must be taken into account, the request should be declined if conditions are not conducive to achieving stable parameters at 1000' above TDZE. Tailwind on the approach or reduced flap landings will increase the difficulty of achieving stable parameters.
ATC must be informed if speed restrictions are not able to be complied with.