Pilot's Operating Handbook
Section 4
Normal procedures
EASA Approved
Edition 1 - January 15, 2018
Rev. 0
Page 4.5.22
Utilization by cold weather (- 0°C to - 25°C) and very cold
weather (- 25°C to - 40°C) - Envelope 3 1/2
● NOTE ●
The procedures defined for the Envelope 2 are also applicable for the
Envelope 3. However it is possible to start the engine using GPU without
preheating of the engine and the cabin with a heater. In that case follow the
procedure hereafter.
●
Preflight inspection / Before starting the engine / Engine start :
1 - Apply the procedures defined for the Envelope 2.
After engine start :
As soon as the current flow is lower than 100 A :
A/C panel
2 - A/C switch PILOT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3 - TEMP selector Max warm. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4 - FAN airspeed selector 0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PRESSURIZATION panel
5 - BLEED switch AUTO or MAX DIFF. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6 - Preheat the cabin respecting time defined in figure 4.5.2.
Before switching on the navigation and monitoring systems. This al
lows to
respect minimum temperatures necessary for the equipment operation.
As soon as the oil temperature is greater than 0°C :
7 - THROTTLE FEATHER twice. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Flight IDLE to LO-IDLE, then Flight IDLE twice
8 - Perform normal procedures defined in chapter(s) 4.3 and / or 4.4.
Taxiing / Before line up / Takeoff /
9 - Perform procedures defined for Envelope 1.
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