What is EGPWS?

What is EGPWS?

Enhanced Ground Proximity Warning System, provides a greater level of detection than GPWS.

EGPWS is capable of ‘looking ahead’ to identify potential risks on the aircraft flight path as it includes a terrain and obstacle database.

How much thrust comes from the N1 fan?

How much thrust comes from the N1 fan?

Depends on the engine.

In the case of the 737-800 CFM56, 27,300lbs total thrust at a ratio of 5.5:1

Why don’t you use carburetor heat on the ground for long periods?

Why don’t you use carburetor heat on the ground for long periods?

Battery power to the starter motors.

Which way do jet streams travel?

Which way do jet streams travel?

From West to East

East to West (In Africa during the summer)

How does an altimeter work and which errors can an altimeter experience?

How does an altimeter work and which errors can an altimeter experience?

When an aircraft climbs, the static pressure in the instrument case decreases, which allows the enclosed capsule to expand.

This in turn moves the needle on the instrument to indicate a corresponding altitude.

During descent, the opposite function applies.

Altimeter errors can originate and vary from:

Instrument Pressure Time-lag Barometric Density Temperature Blocked static port

What does a bypass ratio of 11:1 mean?

What does a bypass ratio of 11:1 mean?

For every 1kg of air passing through the combustion chamber, 11kg of air pass bypass the combustion chamber.

Some wings, flaps and rudders are indented, why?

Some wings, flaps and rudders are indented, why?

To increase the strength of the surfaces.

The same strategy is employed by plastic water bottles, by adding ridges to a surface you increase it's structural rigidity

What does a Mach trimmer do?

What does a Mach trimmer do?

A Mach trimmer automatically compensates for Mach tuck above Mcrit.

If in a go-around, which take-off stages will still apply?

If in a go-around, which take-off stages will still apply?

None. The go around procedure is distinct from the take off procedure. You will still have an acceleration altitude, but you will not have a screen height, V1, Vr, V2, flap retraction altitude, etc.

You need to uplift four tonnes of fuel, how many litres would you ask for if the SG is 0.8?

You need to uplift four tonnes of fuel, how many litres would you ask for if the SG is 0.8?

5000 litres

(4 tonnes / 0.8 = 5000 litters)

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