Pilot's Operating Handbook
Section 4
Normal procedures
EASA Approved
Edition 0 - March 05, 2019
Rev. 0
Page 4.4.6
Preflight inspection 6/16
► Continuing
If BATT source :
40 - Voltage Check > 24.5 volts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
● NOTE ●
If not, use a GPU or charge battery. This minimum voltage is not an absolute
guarantee for a correctly charged battery. It is recommended to use a GPU in
cold weather, when airplane has been stopped more than 3 hours at a
temperature below - 10°C (+ 14°F).
●
If GPU source :
▲ CAUTION ▲
Low voltage (around 24.5 V) may indicate that only the battery is
powering the airplane and not the pair GPU + battery.
Make sure that a GPU is connected and powering the airplane.
▲
41 - Voltage Check ≈ 28 volts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
● NOTE ●
If using a GPU, ensure that it provides a 28-volt regulated voltage, with
negative on earth, as well as it supplies 800 amps minimum and 1000 amps
maximum. See placard located near ground power receptacle door.
●
EXT LIGHTS panel
42 - OFF/TAXI/LDG switch OFF. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
43 - STROBE switch ON. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
44 - NAV switch ON. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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