How reliable was the Concorde?

Air France Flight 4590 was the Concord's only fatal accident in its 31-year history (no other commercial aircraft has matched that record). At the time, with a record of zero accidents per km traveled before the accident, the Concorde qualified as the safest airliner in the world.



The Concorde had a paradoxical reliability record; for nearly 27 years, it was statistically the safest aircraft in the world with zero fatalities until the tragic crash of Air France Flight 4590 in July 2000. Mechanically, the Concorde was an engineering marvel, but it was notoriously "high-maintenance." Every hour of flight required approximately 18 to 22 hours of ground maintenance. Its reliability was hampered not by systemic failures, but by the extreme environments it operated in—flying at Mach 2.0 caused the airframe to heat up and expand by several inches, requiring specialized materials. Despite its complexity, its "dispatch reliability" (the ability to take off on time) was comparable to subsonic jets of its era. However, the 2000 crash, caused by a stray piece of metal on the runway rupturing a tire and fuel tank, revealed a vulnerability in its design. This single event, combined with the high operational costs and the post-9/11 slump in travel, led to its retirement in 2003, ending the era of reliable, albeit expensive, supersonic commercial travel.

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Concorde used the most powerful pure jet engines flying commercially. The Aircraft's four engines took advantage of what is known as 'reheat' technology, adding fuel to the final stage of the engine, which produced the extra power required for take-off and the transition to supersonic flight.

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The Concorde's retirement was due to a number of factors. The supersonic aircraft was noisy and extremely expensive to operate, which restricted flight availability. The operating costs required fare pricing that was prohibitively high for many consumers.

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BA never suffered a serious accident with its seven strong fleet. Concorde service was profitable by the late 1980s and if not for the economic downturn and Air France Concorde crash of 2000, may have survived to this day.

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Former British Airways (BA) Concorde captain John Hutchinson said the fire on its own should have been 'eminently survivable; the pilot should have been able to fly his way out of trouble'. Hutchinson believed this did not happen due to a series of operational errors and 'negligence' by the maintenance department.

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The aircraft quickly proved itself unquestionably as it reached speeds of up to 1,354 mph. To put that into context, that is around 800 mph faster than a Boeing 747 and over 350 mph faster than the earth spins on its axis! It was even said to be faster than a rifle bullet!

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The Concorde soared so high that you could see the Earth's curve. A ticket from London to New York on a flight operated by British Airways cost a whopping $7,574 (Rs5,50,000), which is equivalent to $12,460 (Rs9 lakh) today. But for the price, the Concorde experience wasn't exactly comfortable or luxurious.

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The challenges of manufacturing and certifying new parts, maintaining a licensed flight crew capable of flying it, and ongoing maintenance and preservation mean we are no closer to seeing Concorde flying again since its last flight in 2003.

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It was expensive to operate. It could Barely make it from Paris to Washington DC without having to declare an emergency due to running low on fuel. It was Not allowed to fly across the USA due to its sonic boom. Other than that, it was good.

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Concorde is sadly no longer flying, but it is still possible to visit some of the remaining 18 airframes, there are others not open to the public but you can still see them.

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In real life, Diana took several trips aboard the Concorde, both with Prince Charles and solo.

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Afterburning was added to Concorde for take-off to cope with weight increases that came after the initial design. It was also used to accelerate through the high-drag transonic speed range, not because the extra thrust was required, but because it was available and improved the operating economics.

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Supercharged: Concorde was the first -- and still only -- passenger aircraft that had turbojet engines with afterburners. Raw fuel was introduced into the exhaust of the plane's four engines, immediately increasing the engines' thrust by almost 20%.

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It had no flaps or slats (high-lift devices on the wing) and always used full power with reheat for takeoff,” explains former British Airways Concorde captain John Tye.

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