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Tailless Aircraft: How Airplanes Fly Without a Tail

Pilot Institute

A tailless aircraft is a fixed-wing airplane without a horizontal stabilizing surface. With this type of aircraft, the functions of longitudinal stability and control are incorporated into the main wing. Directional (yawing) stability from the vertical stabilizer. What Is a Tailless Aircraft? Lets find out.

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Mach Number Explained: What It Is and Why Pilots Use It

Pilot Institute

For example, an airliner might indicate only 250 knots at 35,000 feet, but its true airspeed could be over 430 knots. For most aircraft with highly cambered wings or thick profiles, airflow accelerates over the top of the wing. Commercial airliners aren’t designed for supersonic flight. So you might be flying at, say, Mach 0.85