What is the speed limit in Class B airspace?

In Class B airspace, the maximum allowable speed is 250 knots. This is significant because Class B airspace is often located around busy airports, which manage a high volume of air traffic. The regulation is put in place to ensure that aircraft can operate safely and efficiently in these crowded environments.

Flying at speeds higher than this limit could increase the risk of wake turbulence encounters and complicate the ability for air traffic control to maintain safe separation between aircraft. It's important to note that while 250 knots is the limit within Class B airspace, pilots are still expected to comply with other speed restrictions that may be in effect, including those issued by air traffic control.