CASA Approved
C01-01-08 5 Feb 2009 Page 4-11
Section 4
Model GA8-TC 320 Normal Procedures
4.4.5 Take-Off
Power Check
Full throttle runups over loose gravel are especially harmful to the propeller and should be
avoided. When take-offs must be made from a gravel surface, it is very important that the throttle
be advanced slowly and a rolling start take-off technique be used to minimise propeller damage.
When using this technique takeoff distances derived from the take-off performance chart apply
after making allowance for the extra distance used between initial roll and the application of full
power.
It is important to check full throttle engine performance early in the take-off run. Any sign of
rough engine operation or sluggish acceleration is good cause for discontinuing the take off
and conducting a full power runup to conrm normal engine operation prior to the next take-off
attempt.
NOTE:
All take-offs are to be made with the mixture controls in the full rich
position regardless of the eld elevation. Turbocharging permits the
engine to develop rated power regardless of eld elevation. However,
it may be necessary to manually lean the engine for ground operation
at idle or low engine power.
Wing Flap and Power Settings
Normal take-offs are accomplished at full throttle (Limited to 40 in Hg MAP below 5000 ft),
2500 RPM and 14° (rst notch) ap selected. The aps should not be retracted until a safe
height is achieved and all obstacles have been cleared (200 ft AGL).
Flapless Take-Off Technique
Take-offs may be made with aps up but this will increase the take-off distance by approximately
10% and will result in a more pronounced nose up attitude at lift off. The cowl ap should be
opened for take-off. The following take-off rotation and safety speeds are applicable for apless
take-offs:
Weight (kg)
Rotation Speed
KIAS
Take-Off Safety Speed
KIAS
1814 64 73
1700 62 71
1600 61 69
1500 60 68
1400 59 66
1300 58 65
01 Aug 2011
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