4-17
Virus SW 121
Pilot Operating Handbook
POH-121-00-40-001
PAGE REV. 0
PAGE
SECTION 4
NORMAL PROCEDURES
NOTE: V
X
: 60 KIAS [flaps (0)], V
Y
: 78 KIAS [flaps (0)]
1 Climb Power/RPM Set
2 Best Climb Speed V
Y
= 78 KIAS
3 Engine Parameters Check
CAUTION: Avoid prolonged use of more than 75% rudder deflection as this
may result in a pitch-down moment. Should this occur, first neutralize rudder
to recover.
4.7 CRUISE
Normal cruising is performed between 55% and 75% power. The engine
power setting and corresponding fuel consumption for various altitudes and
temperatures can be determined by using the cruise data in Section 5.
1 Flaps (-)
2 Cruise Power SET
3 Engine Parameters Check
4 Switch to other Wing Fuel Tank Every 30 min
The fuel tanks must be changed every 30 min. Otherwise the airplane may
roll into the direction of the fuller fuel tank.
Always grasp stick firmly before disengaging the autopilot to prevent advert
eects of improperly set elevator trim.
CAUTION: Avoid prolonged use of more than 75% rudder deflection as this
may result in a pitch-down moment. Should this occur, first neutralize rudder
to recover.
NOTE: It is recommended to use Flaps (-) above 100 KIAS and Flaps (0) be-
low 100 KIAS.
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