For One Nav Cat 1 operations, which statement best describes the required adjustments to ceiling and visibility?

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Prepare for the Endeavor Air Indoctrination Training Test. Study with flashcards and multiple-choice questions, each offering hints and explanations. Get ready for your exam!

Multiple Choice

For One Nav Cat 1 operations, which statement best describes the required adjustments to ceiling and visibility?

Explanation:
Using a single navigation aid for Cat I approaches requires extra safety margin because the approach’s navigation integrity is reduced compared to using multiple independent sources. To compensate, the published minimums are increased: the ceiling (minimum altitude) is raised by 400 feet and the visibility minimum is increased by 1 statute mile. This combination provides the necessary protection against potential nav performance degradation when only one source is available.

Using a single navigation aid for Cat I approaches requires extra safety margin because the approach’s navigation integrity is reduced compared to using multiple independent sources. To compensate, the published minimums are increased: the ceiling (minimum altitude) is raised by 400 feet and the visibility minimum is increased by 1 statute mile. This combination provides the necessary protection against potential nav performance degradation when only one source is available.

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