FAA Aircraft Dispatcher Practice Exam 2025 – Comprehensive All-in-One Guide to Exam Success!

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What does a strong pressure gradient indicated by closely spaced isobars signify?

Calm winds

Strong winds

A strong pressure gradient indicated by closely spaced isobars signifies strong winds. Isobars are lines on a weather map that connect points of equal atmospheric pressure. When these lines are situated closely together, it represents a significant difference in atmospheric pressure across a small distance, which results in a rapid increase in wind speed as air moves from high-pressure areas to low-pressure areas.

This situation typically creates gusty winds or sustained strong winds, which can affect flight operations, navigation, and safety. In contrast, widely spaced isobars would indicate a weak pressure gradient, which correlates with light or calm winds. Understanding this relationship between isobars and wind strength is crucial for flight dispatchers, as it impacts flight planning and aircraft performance.

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Variable winds

No winds

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