Pilot Boat Wake - Height & Angle
Wake-height estimate of a pilot boat at boarding speed - used to select safe boarding sea state.
Pilot-boat Fn
0.411 -
Wake wave height
1.58m
Formula, assumptions, and limits
At Fn > 0.4 the boat is in hump region → large wake. Pilots prefer Fn < 0.3 in clean water. Keep aft ladder clear of shoulder wake.
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| Pilot-boat Froude | - | V/√(gL) | |
| LOA | m | boat particulars |