What is the maximum speed limit for vehicles operating on the airfield?

Answer: C — 15 mph, unless otherwise posted

The maximum speed limit for vehicles operating on the airfield is established as 15 mph, unless otherwise posted. This limit is crucial for maintaining safety on the airfield, where the presence of aircraft, personnel, and various obstacles can create hazardous conditions. A lower speed facilitates better reaction times and encourages more cautious driving, which is essential in such a busy environment. The inclusion of "unless otherwise posted" acknowledges that specific areas of the airfield may have different speed restrictions based on their unique safety requirements or operational needs. For instance, zones close to hangars or where aircraft are taxiing might have even lower speed limits to ensure safety. Establishing a standard speed limit like 15 mph helps in standardizing expectations for drivers, making it easier for all airfield personnel to adhere to safety protocols.