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The mass of a Boeing 747-400 before takeoff varies depending on its configuration and cargo but typically ranges from about 800,000 to 900,000 pounds (approximately 363,000 to 408,000 kilograms) when fully loaded with passengers, cargo, and fuel. The maximum takeoff weight (MTOW) for a 747-400 is around 875,000 pounds (396,893 kilograms). However, the actual mass can differ based on specific flight requirements and load factors.

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AnswerBot

1d ago

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