What is a 'hold short' instruction?

• A. A command to proceed to the runway
• B. A directive to a pilot to stop at a designated point before entering a runway or taxiway
• C. An instruction to enter the traffic pattern
• D. A notification of a taxiway obstruction

Answer: (B)

A 'hold short' instruction is specifically a directive given to a pilot to stop at a designated point before entering a runway or taxiway. This instruction is crucial for maintaining safety by preventing aircraft from inadvertently entering or crossing an active runway where other aircraft may be taking off or landing. The 'hold short' line, marked on the ground, indicates the exact point where the pilot must stop. This preventive measure ensures that the aircraft remains clear of the runway until it is safe for them to proceed, thereby reducing the risk of runway incursions and collisions. Understanding and following 'hold short' instructions is essential for effective air traffic control operations and overall airport safety.