DA 42 AFM
Emergency
Procedures
Doc. No. 7.01.05-E Rev. 8 15-Dec-2017 Page 3 - 21
3.5 ONE ENGINE INOPERATIVE PROCEDURES
WARNING
In certain combinations of airplane weight, configuration,
ambient conditions, speed and pilot skill, negative climb
performance may result. Refer to Chapter 5 -
PERFORMANCE for one engine inoperative performance
data.
In any event the sudden application of power during
one-engine inoperative operation makes the control of the
airplane more difficult.
3.5.1 DETECTING THE INOPERATIVE ENGINE
NOTE
One engine inoperative means an asymmetric loss of thrust,
resulting in uncommanded yaw and roll in direction of the
so-called "dead" engine (with coordinated controls). To handle
this situation it is vital to maintain directional control by mainly
rudder and additional aileron input. The following mnemonic
can help to identify the failed engine:
"Dead foot - dead engine"
This means that, once directional control is re-established,
the pilot can feel the control force on the foot pushing the
rudder-pedal on the side of the operative engine, while the
foot on the side of the failed engine feels no force. Further,
the engine instruments can help to analyze the situation.
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