Under-Keel & Bridge Clearance: Charted Depths, Tide Heights & Air Draft
This lesson is part of the course
In this lesson
You turn charted depths and bridge clearances into the real values at your ETA, check them against Gullwing's draft and air draft with the school's margins, flag every spot as Go or Wait and colour the shallow spots that fail.
Buy the course once for $9.99 to unlock every lesson and lab, the final exam and the certificate – lifetime access, no subscription.
Lessons in this course
- Nautical Units: Knots, Nautical Miles & Degrees–Minutes Locked
- Speed, Time & Distance: Leg Times and ETAs for a Passage Locked
- Distance & Course Between Waypoints on a Flat Chart Locked
- Set & Drift: Course Over Ground and Course to Steer Locked
- Fuel: Consumption by Engine Speed, Litres per Mile & the Reserve Rule Locked
- Anchoring: Depth at High Water, Scope, Rode Length & Swing Room Locked
- Under-Keel & Bridge Clearance: Charted Depths, Tide Heights & Air Draft Locked
- The Passage Plan Sheet: Times, Fuel, Go/No-Go Checks & a Fuel Chart Locked