(1) De-icing: (2) bleed air.

(1) Anti-icing: (2) pressurised fluid.

(1) De-icing; (2) pressurised fluid

(1) Anti-icing: (2) bleed air.

Purple

Green

straw

Blue

Temperature probe, air conditioning inlet, and windscreens.

Aircraft nose, AOA vane, and APU inlet.

Tail leading edge, static ports, and ram air inlet.

Wing leading edges, engine intakes, and pitot probes.

is not possible at constant aeroplane altitudes.

results in a cabin pressure increase.

results in a cabin pressure decrease.

is always the same as the aeroplane's rate of descent.

It uses heat from hydraulic fluid running through the leading-edge pipelines.

The tail is protected from ice accretion by ram air.

It is mandatory for aeroplanes to have a tail ice-protection system. The tail is protected from ice accretion by

some aeroplane tails have ice-protection systems.

differential voltage.

differential air pressure

resonant vibration frequency

Green

Red

Yellow

Yellow

Yellow

Blue

HP compressor and from the LP compressor if necessary.

LP compressor.

second fan stage.

HP compressor.

By pressing the priority switch on their control stick.

By flicking the priority switch on the overhead panel to their side.

By asking the other pilot to release control.

By aggressively moving their sidestick in any direction.

atmospheric pressure.

 total pressure

cabin pressure.

 a vacuum