DESCRIPTION OF AIRPLANE AND SYSTEMS / WATER RUDDER 7-23
CHANGE A2 ICON A5-B / PILOT’S OPERATING HANDBOOK
CHAPTER 7
lower edge just clear of the painted surface of the lower window
jamb. Flight with windows removed is only permitted with both wind
deflectors correctly installed.
Extreme care must be observed so that objects do not pass through
the side windows in flight. The air flowing across the window
opening creates suction within the cockpit that draws air out. This
air flow can entrain loose objects from any location in the cockpit
and can snatch things from the grasp of the unwary. Secure all loose
articles. Wrist lanyards should be used to secure hand held devices
such as phones and cameras.
WARNING: An object dropped from an open window in
flight can be struck by the propeller and may
result in propeller failure, power loss, or other
extremely hazardous situations.
7.17.2 FRESH AIR VENTS
The A5-B has two fresh air vents—one on each side of the
instrument panel. They are hand operated and can be adjusted or
closed completely as needed by turning the knurled rim of each
vent.
Vent air entering the aircraft is exhausted through several holes in
the structure ahead of the rudder up near the horizontal tail. This
exhaust location aids in the ventilation of all the internal bays of the
fuselage and vertical tail.
7.17.3 CABIN HEATER
The cabin heater utilizes engine coolant as its heat source. The fan
and coil are located between the pilot and passenger rudder pedals.
The control is located on the center console. When the control is off,
the coolant valve is closed and the fan is off. When the control is
turned clockwise, the coolant valve opens fully and the fan turns on.
Further rotation of the control clockwise increases the fan speed
providing additional heat to the cabin.
7.18 WATER RUDDER
A water rudder is provided to aid steering on the water at taxi
speeds. It is connected to the air rudder and moves with it through
operation of the pilot’s rudder pedals. It can be extended or
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