When considering various portions of routine flight operations, it’s safe to say that landings comprise a majority of the time spent in training and practice. But takeoffs also pose risks; perhaps most important among them is that the airplane isn’t ready to fly. The reasons could involve something simple like a pitch trim setting or a door that isn’t properly latched. Ensuring these kinds of problems are resolved before adding takeoff power is one reason before-takeoff checklists were invented.

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