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Intermediate Powerboat

We Run The Intermediate Courses Weekdays And Weekends All Year except December 25th & 26th and January 1st & 2nd)


Aim: To teach powerboating up to the standard required to complete a short coastal passage by day. The ratio of students to instructors should not exceed 6:1 (using two boats).

Assumed knowledge: Candidates should be competent to the standard of National Powerboat Certificate Level 2 with coastal endorsement.

The course will be conducted on a planing boat.

It is strongly recommended that candidates hold a first aid certificate and a VHF operator's certificate.

Duration: 2 days

Minimum age: 16

Navigation Books

Section A Theory

Planning a day cruise

Knowledge of:

  • Navigation
  • True and magnetic bearings
  • Bearing and distance
  • Chart symbols
  • Tidal diamonds and tidal streams
  • Use of pilot books
  • Position lines
  • Use of marina locks (can be covered practically if appropriate)


  • Latitude and Longitude
  • The principles of GPS
  • Sources of forecast information and the interpretation of forecasts


  • Use a plotting instrument and plot a course to steer (CTS)
  • Work out tidal heights for standard ports using a tidal curve
  • Interpret Lateral and Cardinal buoyage
  • Implement IRPCS, in particular rules 5, 7, 8, 9, 13-17, 23
  • Use GPS waypoint navigation and determine XTE, SOG, COG, BTW, DTW*
  • Use a laminated chart afloat
  • Use pilotage to enter an unfamiliar port by day
  • Explain how to make a VHF emergency call

*XTE - cross track error, SOG - speed over ground, COG - course over ground, BTW - bearing to waypoint, DTW - distance to waypoint

Section B Practical

The aim of the practical session is to put into practice the theory detailed above and to complete a passage, which shall include:

Boat Preparation


  • The importance of protective clothing and safety equipment
  • The minimum level of equipment for the boat
  • Considerations of equipment required for longer passages
  • Correct stowage of equipment

Boat handling

Knowledge of:

  • Effect of waves
  • Rougher conditions
  • Awareness of other water users
  • Mooring stern-to between posts or Med style


  • Demonstrate awareness of wind and tide
  • Moor alongside, in a marina berth (where available)
  • Demonstrate the use of an appropriate length kill cord at all times



  • Demonstrate a practical application of techniques for pilotage in local waters

Passage making


  • The need for pre-planning, including advice in the event of having to return at night


  • Apply the lessons learnt in the theory section and successfully complete a practical passage
  • Fix position by traditional and electronic means

Man overboard


  • Techniques for picking up a man overboard in differing conditions


  • Pick up a man overboard
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