3/13/2023 0 Comments Cruising altitude![]() ![]() In addition to the SR71, which is no longer flying, the U2 is also able to fly higher than average because it can reach an altitude of around 74,000 feet. In many instances, it is merely too dangerous to attempt to do this. This is the exception rather than the rule, which is why most planes don’t even try to set these types of records. For instance, in 1976 the SR71 Blackbird set records by flying at over 85,000 feet and at speeds of up to 2100 miles per hour. One of the reasons why flying above, say, 50,000 feet is so difficult is because the air can actually become too thin so continuously burning the jet fuel needed to fly at these altitudes is extremely difficult, if not impossible. Today, there are no business or commercial airplanes that are able to fly at 100,000 feet. These rocket-powered planes are used mostly to collect data and are the only planes that can fly this high. Some rocket-powered planes can fly as high as 100,000 feet but they are specially designed for this purpose.Most military planes fly at around 50,000 feet and sometimes higher.The highest that a commercial airplane can fly is 45,000 feet.The highest that a business jet can fly is 51,000 feet.The SR71, which is a military plane, has flown about 90,000 feet in the air.The Concorde has flown higher than any other commercial plane, attaining a height of 60,000 feet.If you’re curious about some of the planes that have flown the highest in the past, you might be interested in these facts: ![]()
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