What is a regulatory requirement before acting as PIC of an aircraft towing a glider?

Before acting as Pilot-in-Command (PIC) of an aircraft towing a glider, it is essential to have a logbook endorsement specifically for towing operations. This endorsement indicates that the pilot has received the necessary training and has demonstrated the competence required to safely perform towing maneuvers. The endorsement helps ensure that the pilot understands the specific operational procedures and safety considerations associated with towing gliders, which can differ significantly from standard flight operations.

Having this endorsement is crucial not only for regulatory compliance but also for safety, as towing a glider involves unique challenges, such as managing the tow line and coordinating with the glider pilot. Without this specific training and endorsement, a pilot may not be adequately prepared to handle the dynamics of the towing operation, which could jeopardize the safety of the flight.

Other options, while potentially relevant to flight proficiency, do not specifically address the regulatory requirement for towing a glider. For example, logging a certain number of flight hours or completing a bi-annual flight review may enhance a pilot's overall skills but does not substitute for the required endorsement to tow a glider.