High speed proctection

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Questions and Answers

What happens to the pitch trim when High Speed Protection is activated?

It is permanently locked in a nose-up position.

It becomes fully adjustable.

It can only be adjusted manually.

It is frozen. (correct)

At what flight conditions does High Speed Protection activate?

At or above VMO/MMO. (correct)

When the bank angle exceeds 33°.

At or below VMO/MMO.

Only during low acceleration.

What is the maximum reduced bank angle limit under High Speed Protection?

33°

0°

67°

45° (correct)

How does the aircraft respond when the sidestick is released during High Speed Protection when in bank ?

It returns to a 0° bank angle. Signup and view all the answers

What effect does increasing speed above VMO/MMO have on sidestick authority?

Sidestick nose-down authority is progressively reduced. Signup and view all the answers

What bank angle is set for positive spiral static stability under normal law?

33 ° Signup and view all the answers

Under what condition does the aircraft return to a bank angle of 0 ° when released .?

When in high speed protection Signup and view all the answers

What occurs if there is no sidestick input during a dive situation?

The aircraft slightly overshoots VMO/MMO and returns towards the envelope. Signup and view all the answers

What happens when the sidestick is maintained full forward?

The aircraft significantly overshoots VMO/MMO. Signup and view all the answers

At which speed does the pitch nose-down authority become zero?

At VMO +16/MMO +0.04. Signup and view all the answers

When does High Speed Protection get deactivated?

When the aircraft speed decreases below VMO/MMO Signup and view all the answers

What does the autopilot do at VMO + 12 kt?

Disconnects Signup and view all the answers

What does the PF have the authority to perform during a dive?

Conduct a high speed/steep dive escape maneuver Signup and view all the answers

What happens to the control laws when speed decreases below VMO/MMO?

Normal control laws are recovered Signup and view all the answers

At what indicated air speeds does High Speed Protection become inactive?

Below VMO/MMO Signup and view all the answers

At what indicated airspeed does an OVERSPEED ECAM warning occur?

VMO + 4 kt and MMO + 0.006 Signup and view all the answers

Which statement is true regarding the OVERSPEED ECAM warning?

It activates at VMO + 4 kt and MMO + 0.006 Signup and view all the answers

When might the angle of attack protection activate?

At high altitude exceeding MMO Signup and view all the answers

What quantity does MMO exceed when the OVERSPEED ECAM warning activates?

0.006 Signup and view all the answers

Study Notes

Aircraft Recovery from High-Speed Upsets

Aircraft automatically recovers from high-speed upsets.
High Speed Protection (HSP) activates at or above VMO/MMO, depending on flight conditions (high acceleration, low pitch attitude).
Pitch trim is frozen when HSP is activated.
Positive spiral static stability is introduced at 0° bank angle, instead of 33° in normal flight.
With the sidestick released, the aircraft returns to 0° bank angle.
Bank angle limit is reduced from 67° to 45°.
As speed exceeds VMO/MMO, sidestick nose-down authority progressively decreases.
A permanent nose-up order aids recovery to normal flight conditions.

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Description

Test your knowledge on aircraft recovery from high-speed upsets and the associated mechanisms like High Speed Protection (HSP). This quiz covers the key principles of stability and control during critical flight conditions. Enhance your understanding of bank angles and pitch trim in aircraft dynamics.