Diamond DA 42 - Page 244

Performance DA 42 AFM
Page 5 - 12 Rev. 8 15-Dec-2017 Doc. No. 7.01.05-E
NOTE
For wet grass, an additional 10 % increase in take-off roll
must be expected.
NOTE
An uphill slope of 2 % (2 m per 100 m or 2 ft per 100 ft)
results in an increase in the take-off distance of approximately
10 %. The effect on the take-off roll can be greater.