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Autobreak can, and will be, used always when possible as it relieves pilots from having to break manually. There are 5 levels of autobreak labeled 1-4 and MAX, each having a specific slow down rate which is achieved by automatically, however pilots may, and almost always do, relieve the pressure on the breaks by using reverse thrust to slow down.

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10y ago
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Q: When does the Boeing 747 need an auto brake?
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