A numerical or alphabetical grading system (typically 1 through 4, or Letter Grades) defining the level of assistance or mastery required.
Detailed coordinates covering roughly Lat 01° 06.4' N to 01° 29.4' N and Long 103° 34.0' E to 104° 08.1' E. Includes vital data on anchorages submarine cables (like Sinki and Southern Fairway), and aids to navigation (buoys, lights). gsp1 chart pdf
A graphical grid where N-values from SPT testing or pocket penetrometer compressive strength ( A numerical or alphabetical grading system (typically 1
Date | Skill | Baseline score (0–5) | Target score (0–5) | Current score (0–5) | Notes and aids to navigation (buoys