Skip to main content
IALACOLREG
COLREG
Lights & ShapesSound Signals
General123
Conduct in any condition of visibility45678910
Vessels in sight of one another1112131415161718
Restricted visibility19
Lights and shapes202122232425262728293031
Sound and light signals323334353637
Exemptions38
Verification of compliance394041
IALAGMDSSExams

Pro simulators · Coming soon

Ten pro simulators. One pass.

Ten bridge and ship systems, built the way they work at sea.

See all simulatorsSee all simulators
  • Naval SimulatorBridge and ship handling
  • ECDISElectronic chart display
  • Radar / ARPARadar and target tracking
  • Chart RoomChartwork and coastal navigation
  • Celestial NavigationAstronomical navigation
  • Radio StationGMDSS radio
  • Met DeskMarine weather
  • Engine RoomMachinery and plant operation
  • Cargo StowageCargo, trim and stability
  • Fishing SonarFish finding
PassExam Pass

Language

Pass
AcademyAcademy
IALACOLREGAcademy
HomeModulesLearning pathsSimulatorsQuizzesExamsGamesLicencesThe Fleet
My activityReview mistakesCertificates

Your progress is kept on this device for now. Create a free account to keep it safe and pick it up on any device.

Save your progressBack to ialacolreg.com
Free with your accountExam Pass: unlimited mocks
IALACOLREGAcademy
Create a free account to save your progressSave your progress
  1. Licences
  2. Greece
  3. Navigational watch rating (STCW II/4)

Navigational watch rating (STCW II/4)

Deck rating, with the STCW basic training

Seafarer: support
Units23
Modules7
Ready now18
Done0
0%
Start: Parts of a boat
Next step: Πλοίαρχος Γ'

What you study

Ropes and knots

Crew
  • Parts of a boat
  • The 16 essential knots
  • Knot studio
  • Rope handling: coiling, cleating, winches and throwing a line
  • Man overboard and lifejackets
  • Quiz: seamanship basics
  • Key terms: Ropes and knots
  • Knots certificate exam
Coastal skipper
  • Rope materials, strength and care; basic splices

COLREG

Inshore skipper
  • Lights you show and see on a small boat
  • Lights: definitions, power-driven and towing vessels
  • Lights: sailing, fishing, restricted and anchored vessels
  • Sound and light signals
  • Distress signals (Rule 37 and Annex IV)
Seafarer: support
  • Lookout duties: reporting lights, shapes, sound signals and bearings

Law and watchkeeping

Seafarer: support
  • Keeping a watch as a rating: helm orders in English and handovers (STCW A-II/4)
  • The rating's watch: lookout and helm orders check

Navigation

Inshore skipper
  • Steering a compass course and taking a bearing
Officer of the watch
  • Gyro compass, repeaters and compass error checks

Ship and engines

Seafarer: support
  • Steering gear and autopilot: change-over, tests and drills (SOLAS V/26)

Emergencies

Seafarer: support
  • Emergency types, alarm signals and muster lists (STCW A-VI/1-1)

GMDSS

Coastal skipper
  • NAVTEX and the 406 MHz EPIRB
  • SART, portable VHF, GNSS, antennas and batteries
GreeceGreece: all licences
IALACOLREG

A smooth sea never made a skilled sailor.

English proverb
Study
  • COLREG Rules
  • IALA Buoyage
  • Radio & Communication
  • Marine Weather
  • Navigation & Radar
  • Seamanship & Sailing
Resources
  • Exams (PER · RYA · USCG · STCW)
  • Boating licences by country
  • Lights & Shapes
  • Lights cheat sheet
  • Sound Signals
  • Glossary
  • Free lessons
  • Side-by-side comparisons
  • IALACOLREG Exam Pass
The project
  • About
  • Methodology
  • Sources
  • For schools & teachers
  • Group quiz for classes
  • Nautical Schools
  • Contact
Legal
  • Privacy
  • Terms
  • Legal notice

© 2026 IALACOLREG · All rights reserved.

hello@dockialabs.com

Developed with love by Dockia Labs

  • English
  • Bahasa Indonesia
  • Català
  • Deutsch
  • Español
  • Français
  • Hrvatski
  • Italiano
  • Nederlands
  • Português
  • Português (Brasil)
  • Ελληνικά