The wind speed at which planes can safely land depends on several factors, including the type of aircraft, its size, weight, and the specific runway conditions. Generally, commercial jetliners are designed to handle crosswinds during landing, and modern airplanes have advanced technology and safety measures that allow them to land in a wide range of wind conditions.
For most commercial airliners, the maximum crosswind component (the wind blowing across the runway) for landing is typically around 25 to 30 knots (about 29 to 34 mph). However, these values can vary depending on the specific aircraft model and its certification requirements.
During adverse weather conditions, pilots are trained to handle crosswind landings using specific techniques and procedures. They use the aircraft's control surfaces and flight control systems to maintain alignment with the runway and ensure a safe landing.
It's important to note that while modern airliners are equipped to handle crosswind landings within certain limits, there are situations where extreme weather conditions, such as severe turbulence, wind shear, or gusty winds, may lead to flight delays or diversions to alternate airports for safety reasons.
Smaller general aviation aircraft and private planes may have different crosswind limitations, and their capabilities can vary based on their design and size.
Overall, aircraft are engineered and tested to perform safely within specified wind limits, and pilots undergo extensive training to handle a variety of weather conditions to ensure passenger safety during landing and takeoff.