aviation facts:
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The most common aircraft chosen by airlines is the 737-800. From January 2019 to now (May 2019), Boeing has delivered 4,965 737-800's, 110 737-800A's, and 21 737-800 BBJ's. The biggest operator of the 737-800 is Ryanair with more than 400 in their fleet! Second is Southwest Airlines at 115 in their fleet. The maximum lifespan of a 737-800 is about 30 years. The 737-800 launched on September 5th, 1994. The 737-800 has a max range of 3,060 nautical miles. The longest flight currently operated by the 737-800 is from Frankfurt - Pune, India. The flight takes around 8 hours and 20 minutes. The distance for that flight is around 3,613 nautical miles. But that would change depending on the route.
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Most airlines have a rule where the pilot would eat the same multi-coarse meal that is served to business and first class passengers. Not every airline follows the meal rules that I'm going to be telling you, but most of them do. The co-pilot does different though. The co-pilot doesn't have to, but is encouraged to eat a completely different meal than everyone on-board. The co-pilot would eat a different multi-coarse meal from everyone else to guard against food poisoning. Back to the pilot. The pilot must eat the same meal as business and first class passengers, while the co-pilot has a choice if he/she wants to eat the same meal as the pilot, or a completely different meal.
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Now for something that us, aviation enthusiasts would fine crazy. Did you know that more than 80% of the population is afraid of flying? Sounds crazy right? But the truth is that the same thing makes most people afraid of heights, which makes sense because a commercial plane fly's well into the 30,000 feet's. Fear of heights is caused by Acrophobia. Acrophobia could cause a person to fear a variety of things high from the ground.
The life-span of an aircraft is not measured by years, instead, it is based on how many cycles the aircraft went through. One cycle is one time above the ground. Every time an aircraft is in the air, pressure is put on the fuselage. When it touches down again, the fuselage expands again. Over the aircraft's 'life span', microscopic cracks could form. This is called metal fatigue. Over time, these tiny cracks could start to grow. If they
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grow too big, the plane could break apart in the air! For example, metal fatigue caused a section of the roof of Aloha Airlines Flight 243 to rip off in mid-flight. The average 'service life' of an aircraft is 20 years. In 20 years, an aircraft generally accumulates 51,000 - 75,000 flight hours. Although, long haul aircraft could be safe to fly for way more than 20 years. This is because the aircraft is put through less cycles, which means that there is less stress on the fuselage.