Rev. 02 – July 16
th
, 2009
7 Normal Procedures
Towing Glider Supplement 10.2 - 13
7.3 Descent and Landing
After the glider has released the rope and prior to descent, it is
recommended to close the oil temperature regulation flap (position
"closed/warmer"). Special care has to be taken to keep all
temperatures within the permissible range. If required to keep
temperatures at proper operation levels, the throttle may be left at a
setting just above the idle position.
Before descent, it may be necessary to retract flaps to establish
cruise configuration (flaps up, 0°), otherwise the maximum
permissible descent speed of V
FE,max.
= 81 mph (70 knots) must not
exceed!
Before landing on hard surface, the tow rope shall be released at a
safe altitude (~150 ft AGL) to avoid damages of rope and its
attachments. Landing on grass with rope still coupled to the aircraft
is possible without damaging the rope. Nevertheless, for safety
reasons landing with rope is not recommended.
Final approach with the tow rope still connected to the release clutch
must be carried out with a steep approach angle. The rope will hang
down significantly from the aircraft due to its own weight. Therefore it
can interlock with obstacles, plants, wires, vehicles, persons, etc.
Safe operation of the aircraft is not ensured in this case. By this
accidents may occur causing severe injury or even death.
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