The vertical speed indicator (VSI) will briefly indicate a rate of climb after a static line fracture, then return to level flight. Which option reflects this?

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Multiple Choice

The vertical speed indicator (VSI) will briefly indicate a rate of climb after a static line fracture, then return to level flight. Which option reflects this?

Explanation:
VSI shows how fast the sensed static pressure is changing. If a static line fractures, the line is momentarily disturbed by a sudden change in ambient pressure, and the VSI responds to that quick shift as a brief indication of climbing. Once the pressure in the line settles and the rate of change goes to zero, the VSI returns to level flight. So the transient reading you see is a momentary climb, not a sustained climb or descent.

VSI shows how fast the sensed static pressure is changing. If a static line fractures, the line is momentarily disturbed by a sudden change in ambient pressure, and the VSI responds to that quick shift as a brief indication of climbing. Once the pressure in the line settles and the rate of change goes to zero, the VSI returns to level flight. So the transient reading you see is a momentary climb, not a sustained climb or descent.

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