Supplement POH DR400/120D, DR400/140B,
DR400/180R, DR400/200R, DR400/RP
Page 3 - 14 Issue 3 – July 2014
“Cool level” light illuminates
1) Increase airspeed and reduce the power
2) Cabin heat ............................................................................. OFF
3) Monitor coolant temperature
4) Monitor oil temperature
5) If coolant temperature and/or oil temperature are rising into amber
and towards red range:
i) Land as soon as practical
ii) Be prepared for an emergency landing
iii) Expect an engine failure
Gearbox temperature too high
1) Reduce power ............................................................. 55% - 75%
2) Land as soon as practical
Fuel temperature too low
1) Change to altitude with higher outside air temperature
2) If the fuel temperature remains too low:
i) land as soon as practical
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