Dead reckoning and estimated position
Dead reckoning position after twenty minutes
Exercise book 4.4 · on paper you need RYA chart 3, the deviation card
On Saturday 4 May at 2000 SPDST you are at 45°51.77'N 005°49.36'W with the log reading 0.0. At 2020 SPDST the log reads 4.0. You steer 350° by compass, in a south-easterly force 3; leeway is nil and the tide negligible. Variation 6°W. Plot your DR position for 2020.
- Starting position
- 45°51.77'N 005°49.36'W
- Log
- 0.0 at 2000, 4.0 at 2020 SPDST
- Compass course
- 350°C
- Variation
- 6°W
- Leeway
- 0°
Solution worked out by us from the course material: to be checked by the instructor.