747 400

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210K views · 31K likes | Mr Captain on Instagram: "Did you know that the Boeing 747-400 is the only widebody aircraft capable of reaching an altitude of 45,000 feet? Even the newer 747-8 version can't fly that high while weighing as much. Impressive engineering feat, isn't it? BTW,  the captain (or at least one pilot) must wear an oxygen mask at all times, regardless of whether they are flying solo or with another pilot, when flying above FL410 (~41,000 feet altitude)." Aircraft Mechanic, Boeing 747 400, Oxygen Mask, 747 400, Boeing 747, One Pilots, Did You Know, Aircraft, Engineering

210K views · 31K likes | Mr Captain on Instagram: "Did you know that the Boeing 747-400 is the only widebody aircraft capable of reaching an altitude of 45,000 feet? Even the newer 747-8 version can't fly that high while weighing as much. Impressive engineering feat, isn't it? BTW, the captain (or at least one pilot) must wear an oxygen mask at all times, regardless of whether they are flying solo or with another pilot, when flying above FL410 (~41,000 feet altitude)."

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