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Weight and Balance

The calculation performed before each flight to ensure the aircraft's total weight is within limits and the center of gravity (CG) falls within the approved envelope. Improper weight and balance can make an aircraft uncontrollable.

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Related Terms

Zulu TimeCoordinated Universal Time (UTC), used as the standard time reference in aviation worldwide to eliminate confusion across time zones. All flight plans, METARs, TAFs, and NOTAMs use Zulu time. For example, 1500Z is 3:00 PM UTC.
ACS (Airman Certification Standards)The FAA's standards that define the knowledge, risk management, and skill requirements for each pilot certificate or rating. The ACS replaced the older Practical Test Standards (PTS) and is used by examiners during checkrides.
ADM (Aeronautical Decision-Making)A systematic approach to the mental process used by pilots to consistently determine the best course of action in response to a given set of circumstances. ADM incorporates risk management, situational awareness, and sound judgment.
AGL (Above Ground Level)A measurement of altitude expressed in feet above the terrain or ground directly below the aircraft. AGL is commonly used for traffic pattern altitudes and obstacle clearance.