Questions: What are the ceiling and visibility conditions for LIFR (Low IFR Flight)? A. Ceiling less than 500 feet and/or visibility less than 1 mile B. Ceiling 500 to less than 1000 feet and/or visibility 1 to less than 3 miles C. Ceiling 1000 to 3000 feet and/or visibility 3 to 5 miles inclusive D. Ceiling greater than 3000 feet and visibility greater than 5 miles, inclusive sky clear

What are the ceiling and visibility conditions for LIFR (Low IFR Flight)? A. Ceiling less than 500 feet and/or visibility less than 1 mile B. Ceiling 500 to less than 1000 feet and/or visibility 1 to less than 3 miles C. Ceiling 1000 to 3000 feet and/or visibility 3 to 5 miles inclusive D. Ceiling greater than 3000 feet and visibility greater than 5 miles, inclusive sky clear
Transcript text: What are the ceiling and visibility conditions for LIFR (Low IFR Flight)? A. Ceiling less than 500 feet and/or visibility less than 1 mile B. Ceiling 500 to less than 1000 feet and/or visibility 1 to less than 3 miles C. Ceiling 1000 to 3000 feet and/or visibility 3 to 5 miles inclusive D. Ceiling greater than 3000 feet and visibility greater than 5 miles, inclusive sky clear
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Solution

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The answer is the first one (A): Ceiling less than 500 feet and/or visibility less than 1 mile.

Explanation for each option:

A. Ceiling less than 500 feet and/or visibility less than 1 mile - This is the correct definition for LIFR (Low Instrument Flight Rules) conditions. LIFR is characterized by very low ceilings and poor visibility, making it challenging for pilots to fly without relying heavily on instruments.

B. Ceiling 500 to less than 1000 feet and/or visibility 1 to less than 3 miles - This describes IFR (Instrument Flight Rules) conditions, which are less restrictive than LIFR but still require pilots to use instruments for navigation.

C. Ceiling 1000 to 3000 feet and/or visibility 3 to 5 miles inclusive - This describes MVFR (Marginal Visual Flight Rules) conditions, which are better than IFR but still not ideal for visual flight.

D. Ceiling greater than 3000 feet and visibility greater than 5 miles, inclusive sky clear - This describes VFR (Visual Flight Rules) conditions, which are ideal for flying with visual reference to the ground and other landmarks.

In summary, LIFR conditions are defined by a ceiling of less than 500 feet and/or visibility of less than 1 mile, making option A the correct choice.

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