Supplement
POH
DR400/120D,
DR400/140B,
DR400/180R, DR400/200R, DR400/RP
Issue 3
– July 2014
Page 3 - 15
Propeller RPM too high
Note
:
If propeller RPM above 2300 (red range):
1) Reduce power
2) Reduce airspeed below 100 KIAS (185 km/h) or as appropriate to
prevent propeller overspeed
3) Set power as required to maintain altitude and land as soon as
practical.
Note
:
If
the
propeller
speed
control
fails,
climb
flights can be performed at 120 km/h (65 KIAS) and a
power setting of 100%. In case of over speed the
FADEC will reduce the engine power at higher airspeeds
to avoid propeller speeds above 2500 rpm.
Fluctuations in propeller RPM
If the propeller RPM fluctuates by more than ± 100 RPM with a constant
power lever position:
1) Change the power setting and attempt to find a power setting
where the propeller RPM no longer fluctuates.
2) If unsuccessful power lever full forward at airspeed < 185 km/h
(100 KIAS) until propeller speed stabilizes
3) If normal operation is resumed, continue the flight
4) If problem continues, select a power setting where the propeller
RPM fluctuations are minimum. Fly at airspeed below 185 km/h
(100 KIAS) and land as soon as practical.
Содержание DR400 Series
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