Stall speedsStalls depend only on angle of attack, not airspeed. However, the slower an aircraft flies, the greater the angle of attack it needs to produce lift equal to the aircraft's weight. As the speed decreases further, at some point this angle will be equal to the critical (stall) angle of attack.
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Stall recovery is simple. You recover by adding forward elevator pressure, or at least relaxing the back elevator pressure to decrease, or lower, the angle of attack below the critical point. There's no need to panic—your airplane will respond to all of your control inputs.
The Ruppert Archaeopteryx has a certified stall speed of 30–39 kilometres per hour (19–24 mph). The Vought XF5U can fly as slow as 32 kilometres per hour (20 mph). The Tapanee Pegazair-100 stall speed is 45 kilometres per hour (28 mph).
The An-2 is one of the largest single-engine biplanes ever produced. It was particularly prized for its versatility and extraordinary slow-flight, short takeoff, and landing capabilities. In fact, the An-2 has no published stall speed, and pilots have been known to fly the plane under full control at 30 mph.
Aircraft usually turn after takeoff for several reasons, one is to follow a departure procedure, turning to avoid obstacles (buildings, mountains) or they can simply be turning in the direction of their destination.
While rain has a very slim chance of canceling a flight, there can be a minor chance that rain will delay it. Rain is just water, no matter the pressure. Modern aircraft can generate lift regardless of the heaviness of the rain. Planes can and will take off and land in the rain.
Jet aircraft can safely fly over thunderstorms only if their flight altitude is well above the turbulent cloud tops. The most intense and turbulent storms are often the tallest storms, so en route flights always seek to go around them.
The NTSB says that despite more people flying than ever, the accident rate for commercial flights has remained the same for the last two decades, and the survivability rate is a high 95.7 percent.