Aliäänilentokoneet

Aliäänilentokoneet, often translated as subsonic aircraft, are aircraft that fly at speeds below the speed of sound. This speed is approximately 343 meters per second (767 miles per hour) at sea level and 15 degrees Celsius, though it varies with atmospheric conditions. The vast majority of aircraft in common use today are aliäänilentokoneet. This category encompasses a wide range of aviation, from small general aviation planes and commercial airliners to many military aircraft.

The design and aerodynamic principles of aliäänilentokoneet are well understood. Their wings are typically designed to generate lift efficiently at these speeds, and their structures are built to withstand the forces encountered within the subsonic regime. Unlike supersonic aircraft, aliäänilentokoneet do not produce sonic booms, which are a significant consideration for operations in populated areas. Their relative quietness, fuel efficiency, and established operational procedures make them the workhorses of global air travel and transport. Modern advancements continue to improve their performance, safety, and environmental impact.