These aircrafts are the most common type, seen almost everywhere. These are mainly used at the commercial level to transport travellers. There are many subtypes within the main type and performance and speed varies in all these.
The maximum speed achieved by a commercial jet is 0.85 mach. Most aircrafts however operate below this speed.
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These aircrafts have the ability to fly at speeds greater than mach 1. These aircrafts are extremely aerodynamic and move with maximum efficiency.
These are mostly used by air forces all over the world. Such high speed is generally available for fighter and experimental aircrafts. Concord and Tu-144 were the only commercial passenger jets which could operate at supersonic speeds but they were shelved due to high costs.
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