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Instrument Flying Handbook Menu>Aerodynamic
Factors>Drag
Curves >Regions
of Command >Control Characteristics
Most
flying is conducted in the region of normal command: for example,
cruise, climb, and maneuvers. The region of reversed command
may be encountered in the slow-speed phases of flight during
takeoff and landing; however, for most general aviation aircraft,
this region is very small and is below normal approach speeds.
Flight in the region of normal command is characterized
by a relatively strong tendency of the aircraft to maintain
the trim speed. Flight in the region of reversed command is
characterized by a relatively weak tendency of the aircraft
to maintain the trim speed. In fact, it is likely the aircraft
will exhibit no inherent tendency to maintain the trim speed
in this area. For this reason, you must give particular attention
to precise control of airspeed when operating in the slowspeed
phases of the region of reversed command.
Operation in the region of reversed command
does not imply that great control difficulty and dangerous conditions
will exist. However, it does amplify errors of basic flying
technique—making proper flying technique and precise control
of the aircraft very important.
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