Do pilots fly at max speed?

Typical commercial airplanes are not designed to fly faster than the speed of sound, also known as Mach 1. If they get too fast, the air begins forming shockwaves along the wing that can cause the aircraft to become uncontrollable. The speed they cannot exceed is called the Maximum Mach Number, or the Mmo.



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Yes, sort of. There's a worldwide enforced limit of 250 knots below FL100 (10000 feet). They won't get a speed limit, but a violation and a citation from the local aviation authority (FAA or equivalent).

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Do commercial planes fly at maximum speed? Large commercial jets fly from 550 to 580 miles per hour, but their landing and take-off speeds vary. Most commercial jets fly from 160 to 180 miles per hour, with landing speeds ranging from 150 to 165 miles per hour.

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You can overfly this 100-hour limit by up to 10 hours, but only to reposition the aircraft for its required 100-hour inspection.

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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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In jet aircraft, an overspeed results when the axial compressor exceeds its maximal operating rotational speed. This often leads to the mechanical failure of turbine blades, flameout and total destruction of the engine.

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Aerodynamic altitude: If a commercial airliner flies too high, it will encounter less dense air passing over the wings to create lift. This can cause the plane to stall and fall out of control. Depending on the weather conditions and aircraft weight, this can occur anywhere between 40,000 and 45,000 feet.

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Fatigue is particularly prevalent among pilots because of unpredictable work hours, long duty periods, circadian disruption, and insufficient sleep. These factors can occur together to produce a combination of sleep deprivation, circadian rhythm effects, and 'time-on task' fatigue.

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Six pilots have ejected at speeds exceeding 700 knots (1,300 km/h; 810 mph). The highest altitude at which a Martin-Baker seat was deployed was 57,000 ft (17,400 m) (from a Canberra bomber in 1958).

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The reason planes cruise at high altitudes is that they burn less fuel and can fly faster, as the air is less dense. At 30,000 feet and higher, it is also possible for aircraft to avoid weather systems, making it more comfortable onboard.

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This depends on the size of the plane, its efficiency, and how fast it's flying. A modern Boeing 747 can fly about 15,000 km (9,500 miles) when it's flying at 900 kmh (550 mph). This means it can fly non stop for almost 16 hours!

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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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Airline pilots take turns using the bathroom nearest the cockpit during a flight. There are no bathrooms installed in the cockpit. For airplanes with a single pilot, diapers, catheters, or collection devices are used if they are unable to land to use the airport bathroom.

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The truth is that pilots who fly at night will navigate using instruments instead of what they can see outside. This type of flying is conducted under instrument flight rules. Some ground features may be visible, but visual cues aren't normally as reliable in the darkness as in the daytime.

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Currently, the bragging rights for the longest flight in the world belong to Singapore Airlines' New York City to Singapore route. Its longest flight path, which connects Singapore's Changi Airport with New York's John F. Kennedy International Airport, 9,585 miles away, takes 18 hours and 40 minutes.

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Theoretically it is possible but even a supersonic jet would be hindered by factors such as speed restrictions and in-flight refuelling.

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Ultra Long-Haul Flights
An ultra long-haul flight is any flight that flies non-stop for over 12 hours. These flights are almost always operated by widebody aircraft and tend to be flown by major airlines rather than smaller ones.

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