Aircraft Approach Category
The Aircraft Approach Category is a performance grouping of different types of aircraft based on their landing speed. It is determined by calculating 1.3 times the stall speed of the aircraft in landing configuration at its maximum gross landing weight. This categorization is important for air traffic controllers, pilots, and airport operators as it defines the necessary runway length, approach and landing procedures, and other safety considerations. There are four categories, designated A, B, C, and D, with Category A being the lowest and Category D being the highest. Category A includes the slowest aircraft with a stall speed of less than 50 knots, while Category D includes the largest and fastest aircraft with a stall speed of over 141 knots. The approach category serves as a guideline for pilots to ensure proper landing speeds and approach procedures, reducing the risk of accidents and enhancing safety.
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