ASA ASA Coastal & Offshore Cruising

Question 1

What is a 'watch system' on an offshore passage, and why is it used?

Accepted Answer

A rotation schedule ensuring crew members rest while others maintain the helm and lookout

Answer

A method of timing tidal windows

Answer

A technique for tracking weather patterns

Answer

A schedule for radio check-ins with the Coast Guard

Question 2

What does the term 'waypoint' mean in the context of coastal cruising navigation?

Accepted Answer

A specific GPS coordinate used as an intermediate destination along a planned route

Answer

A buoy marking a channel entrance

Answer

The final destination port

Answer

A depth marking on a chart

Question 3

According to ASA 106 (Advanced Coastal Cruising) standards, what is the minimum recommended content for a float plan?

Accepted Answer

Vessel description, crew list, departure/destination ports, planned route, and expected return time

Answer

Only the vessel name and hull ID number

Answer

The skipper's name and credit card number

Answer

The sail plan and weather forecast

Question 4

What is 'dead reckoning' in coastal navigation?

Accepted Answer

Estimating current position using a known starting point, course, speed, and elapsed time

Answer

Navigating by reading the depth sounder

Answer

Using GPS to confirm position

Answer

Calculating tidal height at a given time

Question 5

When planning a coastal passage through a tidal inlet, what is the safest approach timing?

Accepted Answer

Enter on a flooding tide near high water to maximize depth and avoid opposing currents

Answer

Enter at low water to see all hazards

Answer

Enter at slack water regardless of tide height

Answer

Enter at night to avoid boat traffic

Question 6

What is the significance of the 'rhumb line' versus 'great circle' route on an offshore passage?

Accepted Answer

A rhumb line follows a constant compass bearing but is longer; a great circle is the shortest distance but requires constant course changes

Answer

A rhumb line is the shortest route; a great circle follows compass headings

Answer

Both routes are identical on all charts

Answer

A rhumb line only applies to inshore navigation