What is necessary for the CRJ to complete ground maneuvers efficiently?

For the Canadair Regional Jet (CRJ) to complete ground maneuvers efficiently, surface pavement is essential. The design and operational characteristics of the CRJ necessitate a stable and solid ground surface to support the aircraft's weight during taxiing, turning, and other ground movements. Properly maintained paved runways and taxiways provide the necessary friction and stability required during these operations, ensuring safety and maneuverability.

While clear weather conditions can facilitate easier ground operations, they are not strictly necessary for completing these maneuvers, as the aircraft can still operate on paved surfaces in various weather conditions. Options related to engine operations and fuel levels do not directly influence ground maneuver efficiency; rather, they pertain more to flight operations and performance during takeoff and landing phases. Therefore, the requirement of surface pavement stands out as vital for the CRJ's efficient ground maneuvers.