Is proficient in chartwork and routine navigational duties on passage including:
- Taking and plotting visual fixes.
- Use of electronic navigation equipment for position fixing.
- Use of waypoints.
- Working up to DR and EP.
- Estimating tidal heights and tidal streams.
- Working out courses to steer to allow for tidal stream, leeway and drift.
- Knowledge of IALA buoyage.
- Maintenance of navigational records.
- Use of echo sounder and lead line.