Cirrus Design Section 7
SR20 Airplane and Systems Description
P/N 11934-004 7-81
Hour Meters
The airplane is equipped with two hour meters located inside the
armrest storage compartment between the pilot and copilot seats. The
#1 hour meter, labeled HOBBS begins recording when the BAT 1
switch is ON and either the ALT 1 or ALT 2 switch is ON. The #2 hour
meter records flight time and is labeled FLIGHT. Recording begins
when the airplane reaches a speed of approximately 35 KIAS and is
controlled by the Engine Airframe Unit.
28 VDC for hour meter operation is supplied through the 5-amp FUEL
QTY circuit breaker on MAIN BUS 1.
Emergency Egress Hammer
An eight-ounce ball-peen type hammer is located in the center armrest
accessible to either front seat occupant. In the event of a mishap
where the cabin doors are jammed or inoperable, the hammer may be
used to break through the acrylic windows to provide an escape path
for the cabin occupants.
Convenience Outlet
A 12-volt convenience outlet is installed in the center console. The
receptacle accepts a standard cigarette-lighter plug. The outlet may be
used to power portable entertainment equipment such as CD players,
cassette players, and portable radios. Amperage draw through the
outlet must not exceed 3.5 amps. Power for the convenience outlet is
supplied through the 5-amp 12V DC OUTLET circuit breaker on the
MAIN BUS 3.
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