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Multiple Choice

Between sunrise and sunset, you may authorize line up and wait on the same runway only if which staff position is staffed?

The key idea here is that a dedicated local observer is needed to safely manage a line up and wait on a runway. When an aircraft is cleared to line up and wait, it sits on the runway ready to depart, so real-time awareness of all traffic on and near the runway is crucial. The Local Assist / Local Monitor position provides this immediate local oversight, watching the local movement area and communicating with the controller to confirm that the runway is clear before a takeoff clearance is issued. This role helps prevent runway incursions by spotting any conflicting aircraft or vehicles and relaying that information promptly. Ground Control handles ground movements and the Flight Data Position handles flight information, but they don’t provide the on-the-spot, runway-focused monitoring required for a safe LUAW clearance. The Tower Supervisor oversees controller staffing and operations, but the actual continuous local observation used to authorize LUAW comes from the Local Assist / Local Monitor. So, between sunrise and sunset, you may authorize line up and wait on the same runway only when the Local Assist / Local Monitor position is staffed.

The key idea here is that a dedicated local observer is needed to safely manage a line up and wait on a runway. When an aircraft is cleared to line up and wait, it sits on the runway ready to depart, so real-time awareness of all traffic on and near the runway is crucial. The Local Assist / Local Monitor position provides this immediate local oversight, watching the local movement area and communicating with the controller to confirm that the runway is clear before a takeoff clearance is issued. This role helps prevent runway incursions by spotting any conflicting aircraft or vehicles and relaying that information promptly.

Ground Control handles ground movements and the Flight Data Position handles flight information, but they don’t provide the on-the-spot, runway-focused monitoring required for a safe LUAW clearance. The Tower Supervisor oversees controller staffing and operations, but the actual continuous local observation used to authorize LUAW comes from the Local Assist / Local Monitor.

So, between sunrise and sunset, you may authorize line up and wait on the same runway only when the Local Assist / Local Monitor position is staffed.