DA 42 AFM Performance
Doc. No. 7.01.05-E Rev. 8 15-Dec-2017 Page 5 - 29
WARNING
Poor maintenance condition of the airplane, deviation from
the given procedures, uneven runway, as well as unfavorable
external factors (high temperature, rain, unfavorable wind
conditions, including cross-wind) will increase the landing
distance.
CAUTION
The figures in the following NOTE are typical values. On wet
ground or wet soft grass covered runways the landing
distance may become significantly longer than stated below.
In any case the pilot must allow for the condition of the runway
to ensure a safe landing.
NOTE
For landings on dry, short-cut grass covered runways, the
following corrections must be taken into account, compared
to paved runways (typical values, see CAUTION above):
- Grass up to 5 cm (2 in) long: 5 % increase in landing roll.
- Grass 5 to 10 cm (2 to 4 in) long: 15 % increase in landing
roll.
- Grass longer than 10 cm (4 in): at least 25 % increase in
landing roll.
NOTE
For wet grass, an additional 10 % increase in landing roll must
be expected.
NOTE
A downhill slope of 2 % (2 m per 100 m or 2 ft per 100 ft)
results in an increase in the landing distance of approximately
10 %. The effect on the landing roll can be greater.
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