What is the maximum airspeed for civil turbojet aircraft above 14,000 feet while in a holding pattern?

The maximum airspeed for civil turbojet aircraft above 14,000 feet while in a holding pattern is indeed 265 knots. This limit is outlined in the regulations concerning aircraft operations regarding holding patterns. Specifically, the FAA regulations establish various airspeed limitations to ensure safe and efficient operations, including maintaining an appropriate separation between aircraft, especially in congested airspace or during holding maneuvers.

Holding patterns are typically used to manage air traffic and allow for spacing between arrivals or to provide a delay for aircraft waiting for landing clearance. The 265-knot limit strikes a balance that allows for efficient handling of the aircraft while ensuring that they are not approaching too close to the stall speed, especially when executing turns or during various phases of the holding pattern.

In contrast, the other airspeeds mentioned (220 knots, 250 knots, and 300 knots) are not applicable for this situation involving turbojet aircraft at altitudes above 14,000 feet, as they fall outside the specified regulatory limits for turbojet operations in holding. Thus, recognizing the established maximum airspeed helps in ensuring compliance with aviation regulations and enhances safety during operations in holding patterns.