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Even the "minimal" A-check process happens often enough to avoid a 248-day limit, and typically grounds an aircraft overnight.

People really do not realize how much maintenance commercial aviation involves.

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It should be fairly easy for anyone to figure out that planes generally aren't used around-the-clock. For example, I routinely take a flight which arrives at 11pm, and I know that nothing is flying out of that airport again until the morning.

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