June 2002 Issue

Stopping the Roll

Singles don’t have published accelerate-stop distances, but it’s not hard to come up with a reasonable estimate

As summer takes hold, the days are getting long. They’re also getting hot, which means the other thing that will be getting long is takeoff distance.

High temperatures – and therefore high density altitudes – affect every airplane, single-engine or multi, piston or jet. Higher elevations and bigger payloads only make the problem worse.

In a single-engine airplane, the loss of engine power makes the next step pretty easy to determine. If the engine failure happens on the ground, you will stop. If the failure happens in the air, you will land. Sir Isaac Newton assures us that this is so. Such outcomes are non-negotiable and cannot be changed.

In a multi-engine plane, it is not alway...

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