Pilot's Operating Handbook
Section 4
Normal procedures
EASA Approved
Edition 0 - March 05, 2019
Rev. 2
Page 4.4.25
Engine start 2/3
► Continuing
▲ CAUTION ▲
When THROTTLE is positioned on LO-IDLE before having obtained
13 % of Ng, there is a risk of overtemperature further to an excessive
accumulation of fuel inside the combustion chamber before ignition.
▲
● NOTE ●
In case of starting with high residual ITT, an ITT decrease below 150°C (within
starter operation limits) may allow to stay within the allowed ITT envelope
during startup sequence.
●
● NOTE ●
Autothrottle engine protection system is disabled during engine start, thus there
is no protection against ITT exceedances.
●
When
- Ng about 13 % and,
- ITT below 150°C and,
- time below 20 seconds :
12 - THROTTLE LO-IDLE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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