When may you begin a side step maneuver?

The side step maneuver is a specific procedure used in instrument approaches that allows a pilot to transition to a parallel runway or a runway offset from the approach path after receiving visual confirmation. The procedure typically requires the pilot to have the runway in sight to ensure a safe transition and to execute the maneuver adequately, taking into account factors like altitude, alignment, and potential obstacles.

Being able to see the runway allows the pilot to assess the situation and execute the side step safely, as the pilot can maintain visual reference while performing the maneuver. This visual confirmation helps in accurately aligning the aircraft with the other runway, reducing the chances of misjudgment that could arise if the maneuver was initiated without visual confirmation.

While it may seem that ATC clearance or altitude constraints might dictate when to initiate the maneuver, the primary need is to have visual reference for safety and proper execution. Thus, being able to see the runway is the critical factor for starting a side step maneuver.