Where can the aircraft be parked without the tail wheel engaged?

Parking an aircraft in a hangar without the tail wheel engaged is appropriate and often done for several reasons. Hangars provide a controlled environment that protects the aircraft from the elements, including wind, rain, and other environmental factors. Without the tail wheel engaged, which serves as a stabilizing support when the aircraft is not in motion, parking in a hangar minimizes the risk of the aircraft being moved by strong winds or other forces, ensuring the safety and integrity of the aircraft.

In contrast, areas such as the runway, tarmac, and flight line are typically open and exposed, presenting a greater risk of movement due to wind or other factors. Parking in those locations without proper support from the tail wheel could lead to an unstable situation, increasing the risk of damage or accidents.