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How does a plane know how high it is?

Altimeters measure altitude. An altimeter is a device that measures altitude, the distance of a point above sea level. Altimeters are important navigation instruments for aircraft and spacecraft pilots who monitor their height above Earth's surface.



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During the dispatch phase of the flight, the pilots are provided data on forecast winds and temperature for normal cruise levels of the aircraft. The pilots can then input these data into the FMS and then once in the air the FMS calculates the most optimum altitude based on the input data.

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An altimeter measures the atmospheric pressure at the aircraft's flight altitude and then compares it to the pressure value set by the pilot. Failing to correct for pressure changes in flight will affect the accuracy of the altimeter reading.

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Because the Earth is a three-dimensional sphere and not merely a two-dimensional flat, East-West surface. Because of this spherical shape, often times the shortest distance is flying more north and south, up over the Northern latitudes and the North Pole, rather than flying east/west over the Pacific.

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Whether flying at night or during the day, pilots need to see some kind of horizon. They use this to determine the airplane's attitude. At night pilots will turn their gaze from outside to inside and use the artificial horizon. The artificial horizon is normally a simply globe split into two hemispheres.

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This happens especially on longer flights where the aircraft initially has many tons of fuel onboard that need to be lifted. During the flight, as the fuel is burned, the aircraft will be able to climb to a higher altitude.

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Pilots with a fear of heights aren't uncommon and in fact, the majority of people who are afraid of heights aren't affected by flying in an aircraft. There is a strong feeling of security when you close the door, and you should feel very comfortable in the hands of an experienced instructor.

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The higher the altitude, the higher the air pressure differential between the inside and outside of the plane. At around 43,000 feet, a maximum of 9 PSI is reached, and anything higher could lead to a catastrophic structural failure of the aircraft.

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Yes, an aircraft can stay in the air without going forward if the oncoming wind, called headwinds are equal or greater than th minimum speed of that aircraft. This principle is used in the wind tunnels to experiment the flight characteristics by blowing the wind to the aerofoil and assess the aerodynamic changes.

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Navigating at night can actually be much easier than during the day. Large conurbations and their associated street lights can be seen from miles away. Making it easy to pinpoint them and fly towards them. Roads are also much easier to pick out against the surrounding terrain.

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On average, commercial planes cruise at about 575-600 mph (925-965 km/h, 500 to 521 knots, 0.78 to 0.81 Mach). Private jets typically cruise at around 500-600 mph (805-965 km/h, 435 to 521 knots, 0.68 to 0.81 Mach). Military aircraft can exceed 1,500 mph (2,400 km/h, 1,297 knots, 2.08 Mach).

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The simple answer is yes, pilots do, and are allowed to sleep during flight but there are strict rules controlling this practice. Pilots would only normally sleep on long haul flights, although sleep on short haul flights is permitted to avoid the effects of fatigue.

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Pilots don't earn a flat annual salary like some professions. Instead, they're paid an hourly wage for each flight hour flown, along with per diem. Most airlines guarantee a minimum number of hours per month, so that pilots can count on at least a minimum amount of monthly income.

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No they do not. The cockpit itself is pretty small in most planes and none of them have dedicated toilets installed in them. Pilots use the same restroom as the passengers, usually the one in the front of the passenger cabin.

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Because of its vast size, crossing the Pacific Ocean requires a staggering quantity of fuel. However, most commercial aircraft do not fly directly over the Pacific Ocean; instead, they choose what are known as 'curved paths'. These paths offers a faster, more efficient route given the curved nature of the earth.

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What is the longest flight in the world by distance? The longest flight in the world by distance is New York (JFK) to Singapore (SIN) on Singapore Airlines clocking in at 9,537 miles. What plane can fly the farthest in the world?

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The first self-flying cargo planes will enter civil aviation, sharing the skies with piloted airplanes. Small, self-flying planes will begin carrying passengers on short, regional flights. Larger passenger jets will begin operating without a pilot on the flight.

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