What conditions can a helicopter not fly in?

The biggest danger to winter weather flying for helicopter air ambulances is freezing precipitation or icing. Icing conditions in flight must always be avoided. When ice forms on rotor blades or airplane wings, they lose their ability to provide lift, and the aircraft can no longer maintain flight.



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Freezing Conditions Ice can form on the inside and outside of the aircraft, changing the way that the equipment functions and potentially creating control problems. Additionally, flying through clouds is usually impossible in freezing conditions.

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An altitude of 500 feet above the surface, except over open water or sparsely populated areas. In those cases, the aircraft may not be operated closer than 500 feet to any person, vessel, vehicle, or structure.

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Can helicopters fly in the rain? Yes! Helicopters can fly in the rain and tours are generally not cancelled simply because it is raining. However, fog and limited visibility may cause weather related delays or cancellations.

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An altitude of 500 feet above the surface, except over open water or sparsely populated areas. In those cases, the aircraft may not be operated closer than 500 feet to any person, vessel, vehicle, or structure.

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Yes, there have been a few examples when helicopters have been able to fly beyond Everest. In 1972 an Aerospatiale SA 315 Lama was able to fly up to to12,442 meters for the first time, making up a world record. This record was beaten in 2002 when Eurocopter AS350 B2 flew over the height of 12,954 meters.

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With this in mind, horizontal winds (also known as “crosswinds”) in excess of 30-35 kts (about 34-40 mph) are generally prohibitive of take-off and landing. As far as how this happens, it depends on where you are in flight.

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Thus when flight or vision conditions are not optimal, such as a night time, Civilian Helicopters don't fly due to the risk of hitting something which always ends badly for the Helicopter and usually also to its crew and passengers or cargo.

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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.

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