RAAus Basic Aeronautical Knowledge

Practice tests on principles of flight, aircraft systems, performance, and weight & balance for ultralight aircraft.

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Which of the following factors improves take-off performance?

The runway sloping upwards

A tailwind

Low atmospheric pressure

Low atmospheric temperature

Low temperature increases air density. Denser air provides more mass flow through the engine (more power) and more aerodynamic force per unit speed, reducing the takeoff distance.

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Landing towards the setting sun:

Is safe as long as you are wearing sunglasses

Is not a problem if it is 5 degrees to the side of your line of sight

Is not a problem

Can result in sudden total loss of vision

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A pilot woke up with a headache and sinus pain, but decided to go flying anyway after taking some antihistamine tablets. What possible consequences could there be from the pilot's decision?

No consequences, they have taken the tablets before

Possible disorientation in the cockpit, leading to vertigo and loss of control

Pain and discomfort in their sinuses

Possible disorientation in the cockpit, leading to vertigo and loss of control and Pain and discomfort in their sinuses

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What difference/s will occur when operating an aircraft from a landing area located 3000 ft AMSL at 30° C, compared with a sea level take-off at 15° C?

Lower EGT indications

Greatly increased take-off distance required, reduced climb rate, identical landing distance required

RAAus Basic Aeronautical Knowledge

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