Yak 18T Flight Operations Manual
Page 42 of 82
Disclaimer: This manual is to be used as a reference only, it is based on translated Yak 18T Flight Operations
Manuals and has not been approved by the Yakovlev Design Bureau or any other authority.
front portions of the aircraft canopy relative to the horizon. This position must be
measured and controlled using the gyro-horizon
•
The aircraft's entry into the steep banked turn is performed in the same way as the
shallow turn. As the bank develops, gradually
INCREASE
the boost to stabilise and
maintain the 45° bank
•
When the specified bank and required angular velocity is achieved,
MAINTAIN
the bank
by slightly deflecting the yoke to the side opposite to the turn and forwards,
simultaneously
•
By pulling the yoke counter-clockwise and by deflecting the rudder pedals, eliminate the
tendency for the aircraft to increase its rotational speed
WITHOUT
performing any side
slipping
•
CHECK
the correctness of the turn by using the slip indicator ball and the electrical turn
indicator
•
25°-30°
prior to the specified ground reference point, begin the roll-out via a combined
movement of the rudder pedals and the yoke in the opposite direction of the aircraft
rotation
•
Complete the turn recovery by slightly pushing the yoke forwards. When the aircraft
stops its rotation and is pulled out of the roll,
SET
the yoke to the
NEUTRAL
position
and recover straight and level flight
•
The aircraft should be
STABLE
throughout the entire process of the steep turn and the
pilot should be able to easily shift from one direction of steep turn to another
8.2 Steep Turn: 60° of bank
•
BEFORE
entry into this manoeuvre, study the surrounding airspace to make sure that no
other aircraft are flying in proximity of your aircraft, that you will remain clear of cloud,
congested areas and that sufficient altitude is available should the manoeuvre is not
successful. Select the necessary ground reference points for completing the manoeuvre
•
Prior to entry into the 60° banked turn,
SET
the engine conditions to
70%
and an IAS of
200km/h
•
Then by a
SMOOTH
combined movement of the yoke and rudder pedals, put the aircraft
into the banked turn. The angle of bank is specified by the nose-over position and the
front portions of the aircraft canopy relative to the horizon. This position must be
measured and controlled using the gyro-horizon
•
The aircraft's entry into the steep banked turn is performed in the same way as the
shallow turn. As the bank increases, gradually enlarge the boost so as to provide it to a
full extent at a bank of 45°-50°. When the 45° bank has been achieved and it continues
to increase, pull the yoke slightly backwards and relax bearing against the rudder pedal,
which has been deflected at the turn
entry
•
At a bank of 60° using proportional and coordinated pulling of the yoke and the rudder
pedals, hold the aircraft in the turn. Using the yoke, maintain the rate of rotation and the
bank using the rudder pedals to retain the normal position of the nose-over relative to
the horizon.
Summary of Contents for 18T
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