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CHECKLIST: Sustainer assisted aerotow
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Power-plant main switch:
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Power lever:
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Observe correct extension process in the mirror, blue message
„PRESS Starter Button" appears, propeller holds in vertical position
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Pre take-off check
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Trim:
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Attach tow rope
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Wheel brake:
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Propeller area:
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Starter:
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Power setting
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Tighten towrope (clear for take-off)
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During roll-up: retract airbrakes, power setting 100%
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Proceed like a normal aerotow
CAUTION
If the power lever is set to 0% after a motor run, means pulled down
to the noticeable stop position, the propeller is held vertically by the
motor. If then power is set again, the starter has to be engaged
again to activate the motor run.
NOTE
The motor speed is limited at its maximum permissible value by the
power electronics. This means, the motor cannot be overrevved
even at high towing speeds.
Prepare together with the tow pilot how to proceed in case of an aborted
take-off respectively engine failure for the different phases of the take-off
prior to the tow. The local conditions of the airfield and weather have to
be taken into account.
Appr.
4.20
ON (power-plant instrument on)
EXTEND (until the noticeable stop
NEUTRAL
ENGAGE (fully extended airbrakes)
CLEAR
ENGAGE, motor still holds position
50% (≈ half travel / 12 kW)
Issue:
Revision:
Flight Manual
position)
15.09.2017
PA
TN 12 30.10.21 PA