YM-COASTAL-L1.1

Preparation and coastal passage planning

A safe passage is decided before the lines come off the cleats, and the Yachtmaster Coastal candidate is expected to plan thoroughly and to justify every decision to the examiner. This lesson covers the preparation and passage planning that turns an intention into a monitored, safe voyage.

Entry & progression

Certificate: RYA/MCA Yachtmaster Coastal — a practical certificate of competence for the skipper of a small cruising vessel on coastal passages, assessed afloat by examination (MIN 580). Entry / experience: minimum 30 days, 2 days as skipper, 800 miles and 12 night hours in tidal waters; VHF/SRC and first-aid certificates. Commercial use: with the RYA PPR, an ML5/ENG1 medical, first aid and radio certificate it is commercially endorsed for small craft close to a safe haven. Progresses to Yachtmaster Offshore, then MCA Master (Code Vessels) <200 GT.

Appraise, plan, prepare

Planning follows the same discipline used by any professional mariner, scaled to the boat. First appraise the whole passage: the charts, the almanac and pilot book, the tidal heights and streams, the weather window, and the capability of the boat and the crew you actually have. Then plan the track berth to berth, laying it clear of dangers with clearing bearings, noting the tidal gates you must catch, the bolt-holes you could run to, and the pilotage for leaving and entering. Finally prepare the boat and brief the crew so everyone knows the plan, their job, and the safety arrangements.

  1. Appraise: charts, almanac, pilot book, tides and weather for the area and time.
  2. Plan: a safe track with tidal heights/streams, hazards, clearing bearings, tidal gates and bolt-holes.
  3. Prepare: check the boat, fuel, water and safety gear; brief the crew and agree the watch system.
  4. Choose the tidal and weather window, and set the criteria that would make you delay, divert or turn back.

Tidal gates and bolt-holes

Two ideas separate a coastal plan from a day-sail. A tidal gate is a place you must reach at a particular state of tide — a race that only slackens for an hour, a bar that only floods enough near high water, a bridge with limited clearance — and the whole plan is often timed around it. A bolt-hole is a port of refuge identified in advance along the route, so that if the weather, the boat or the crew deteriorate you already know where you can safely run to rather than improvising.

TIP — Plan for the crew you actually have Match the passage to the boat and to the least experienced person aboard, not to an ideal day. The examiner is assessing judgement, and a plan that quietly assumes a perfect crew and perfect weather is a weak plan.

WARNING — A tidal gate missed can mean hours lost or danger met If you arrive at a race or a bar at the wrong state of tide you may face a dangerous sea or have to wait a whole tidal cycle. Build the timing of tidal gates into the plan first, then work the rest of the schedule around them.

Practice questions

5 questions
recallcore

recall · core

A coastal passage plan should identify bolt-holes because they: (a) Shorten the passage (b) Give ports of refuge if the weather, boat or crew deteriorate (c) Are required buoys (d) Save fuel

recallcore

recall · core

A 'tidal gate' is a place that must be reached: (a) At any time (b) At a particular state of the tide (c) Only at night (d) Only at slack low water

recallcore

recall · core

The first stage of planning a coastal passage is to: (a) Cast off and see (b) Appraise all the information — charts, tides, weather and crew (c) Set the autopilot (d) Fuel the boat only

recallcore

recall · core

A sound principle when setting the plan is to match the passage to: (a) The most capable crew imaginable (b) The boat and the least experienced crew aboard (c) The fastest possible time (d) The examiner's preference

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recall · core

Clearing bearings are laid off in the plan to: (a) Mark the fuel stops (b) Keep the boat clear of a charted danger (c) Show the tidal gates (d) Record the crew list

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