Setting idle thrust will result in…
Turning the autothrottles off prevents…
Turning on anti-ice devices and air-conditioning packs…
Starting the APU...
If volcanic dust fills the flight deck...
Climbing out of the ash could result in...
a-the engines from increasing thrust automatically above idlie.
c-will mean systems can be powered in
d- engines continuing to produce electrical power, bleed ait, and hydraulic power.
f-will improve the engine stall margins.
e- use flight deck oxygen at the 100 percent setting
b-increased engine debris build-up.