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Powerboat ICC revision module 4 of 9

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Close-Quarters Handling Concepts

Slow-speed control, windage, tide, prop effect, approach angles, and stopping distance.

slow speedwindage

3 guided lessons · 8 practice questions · 8 flashcards

3 outcomes · self-guided revision
  • Explain slow-speed control, windage, tide, prop effect, approach angles, and stopping distance.
  • Apply slow speed to a realistic onboard situation.
  • Recall the core check: use short positive bursts, then neutral.

A self-guided revision companion that explains essential concepts, then helps you practise and test them. It supports—but does not replace—recognised instruction, practical training, assessment or certification. Access is a one-time payment, not a subscription.

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Lesson routeSlow Is Control0/1 read

Lesson 1 of 1

Slow Is Control

Close-quarters powerboat handling is about short bursts of power, neutral, steering effect, and planning. Speed creates damage and removes thinking time. Slow handling gives time to correct.

Most small powerboats steer because propeller thrust is directed by the outboard or drive. In neutral there is little or no steering effect, but the boat keeps carrying way.

  • Use short positive bursts, then neutral.
  • Plan an escape route before entering tight spaces.
  • Use wind and tide/current rather than fighting them late.
  • Keep hands and feet inside; do not fend off with limbs.
FactorEffectHandling response
WindBlows bow and high sidesApproach with allowance and escape room
Tide/currentMoves whole boatWork into it when practical
Prop thrustGives steering under powerUse controlled bursts
MomentumBoat keeps movingUse neutral early and plan stopping distance
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