Choose your study region

Choose a course collection, not your nationality. Changing region does not change your courses, progress or access.

Compass network home

Optional preference saved in this browser on Compass Revision. It does not sync between devices or the separate course websites. You are never redirected automatically.

All questions
Planing speed

What changes most at planing speed?

Short answer

Reaction time reduces and stopping distance increases

The selected answer is shorthand: the time and distance available to observe, decide and act shrink for a given hazard range, while the room needed to slow, stop or turn generally grows and remains boat-specific. Revise planing-speed-awareness.

Quick check

What changes most at planing speed?