Carrier Air Traffic Control Center Practice Test

When a pilot calls the ball during an approach to an aircraft carrier, they are expecting visual confirmation from the Landing Signal Officer (LSO), indicating whether they are cleared to land. If there is no verbal acknowledgment from the LSO, it is crucial for safety that the pilot knows when to execute a wave-off to avoid landing when it may not be safe or appropriate. The standard procedure requires pilots to execute a wave-off at least 100 feet from the deck if there is no response from the LSO. Executing the wave-off at this altitude provides enough time for the pilot to safely abort the landing, regain control of the aircraft, and initiate a go-around, allowing for a subsequent lap if needed. This altitude strikes a balance between remaining safely high enough to maintain control and responding quickly enough to avoid an unsanctioned landing. Using a lower altitude of 75 feet or 50 feet could reduce the margin for error and potentially compromise safety, while a higher altitude like 150 feet could lead to unnecessary delays in aborting the landing. Therefore, the requirement of 100 feet offers a necessary standard for ensuring pilots can act swiftly and safely.