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If a proper crosswind
correction is applied, the aircraft will maintain
alignment with the runway while accelerating
to takeoff speed and then maintain that alignment
once airborne. As takeoff acceleration occurs,
the efficiency of the up-aileron will increase
with aircraft speed causing the upwind wing
to produce greater downward force and, as a
result, counteract the effect of the crosswind.
The yoke, having been initially turned into
the wind, can be relaxed to the extent necessary
to keep the aircraft aligned with the runway.
As the aircraft becomes flyable and airborne,
the wing that is upwind will have a tendency
to be lower relative the other wing requiring
simultaneous rudder input to maintain runway
alignment. This will initially result in the
aircraft to sideslip. However, as the aircraft
establishes its climb, the nose should be turned
into the wind to offset the crosswind, wings
brought to level, and rudder input adjusted
to maintain runway alignment (crabbing).
Firm and positive use of the rudder may be required
to keep the airplane pointed down the runway
or parallel to the centerline. Unlike landing,
the runway alignment (staying over the runway
and its extended centerline) is paramount to
keeping the aircraft parallel to the centerline.
The pilot must then apply rudder pressure firmly
and aggressively to keep the airplane headed
straight down the runway.
However, because the force of a crosswind may
vary markedly within a few hundred feet of the
ground, the pilot should check the ground track
frequently and adjust the wind correction angle,
as necessary. The remainder of the climb technique
is the same used for normal takeoffs and climbs.
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