Offshore Theory Start free
THE RYA YACHTMASTER OFFSHORE THEORY

Every subject, worked through.

Chartwork builds to a passage plan. The subjects on watch sit alongside it.

ON WATCH

The subjects you need on watch.

Buoyage: nautical illustration.FREE

Buoyage

Read any mark from its shape, colour and topmark. Know which side to pass, by day and by night.

3 parts
Start buoyage
Lights and shapes: nautical illustration.FREE

Lights and shapes

Make sense of the vessel ahead: her lights, her day shapes, and what you can tell from where you are.

4 parts
Start lights & shapes
The rules of the road: nautical illustration.FREE

The rules of the road

All the steering and sailing rules, one at a time. Read the situation and make the call yourself.

20 lessons
Start the rules
The diesel engine: nautical illustration.FREE WITH ACCOUNT

The diesel engine

A working 3-D engine you can turn, cut in half and run. Its systems, the everyday jobs and the signs of trouble.

5 parts
Open the engine
Radar: nautical illustration.

Radar

What you see and how to tune it, what each echo is, fixing your position and avoiding collision with radar.

4 parts
Open the module
Safety: nautical illustration.

Safety

The safety equipment on board, what it does and how to brief the crew: personal safety, calling for help, cold water and fire, abandoning ship.

4 parts
Open the module
01 — 07 · CHARTWORK

From your first fix
to a full passage plan.

The chart: nautical illustration.
01

The chart

Read the chart: the symbols, the seabed and depths, and the publications that go with it.

3 parts
Open the module
Direction, distance and time: nautical illustration.
02

Direction, distance and time

True and magnetic, variation and deviation, and speed, distance and time on the chart.

4 parts
Open the module
Fixing your position: nautical illustration.
03

Fixing your position

Position lines, crossing bearings and the cocked hat, dead reckoning and the running fix.

3 parts
Open the module
Tides: nautical illustration.
04

Tides

Tidal definitions, standard port heights, clearance under the keel and tidal streams.

4 parts
Open the module
Course to steer: nautical illustration.
05

Course to steer

What the stream and the wind do to you, and the course to steer to get where you want to go.

3 parts
Open the module
The almanac: nautical illustration.
06

The almanac

The move to the real Channel: the almanac, secondary ports and the stream atlas.

2 parts
Open the module
Passage planning: nautical illustration.
07

Passage planning

A complete passage plan across the Channel, with help at every step, then on your own.

9 parts
Open the module
Final mock exam: nautical illustration.

Final mock exam

A full mock of the theory exam: random questions from every subject of the course, then a complete passage plan. Pass or fail at the end, with what to work on next.

Every subject
Sit the mock exam

Pilotage and GPS & electronics are in production and will be added to the course at no extra cost.