Example 1
A line controls a sail's angle to the wind. What job is it doing?
It is acting as a sheet.
A halyard normally raises or lowers a sail; a sheet controls its working angle.
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Direct answer
This free 12-question readiness test samples the knowledge that supports beginning keelboat instruction: boat language, sailing, navigation rules, U.S. aids, safety, and weather. It gives private end-only explanations and a topic summary. It is independent preparation mapped to published ASA 101 knowledge areas, not an American Sailing exam, course, certificate, or practical assessment.
Answers and explanations remain hidden until you complete all 12 questions.
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Understand the result
Review the explanation for every response, including answers you guessed correctly. The sections below show what the sample covers, what its score can and cannot mean, and where to continue.
Worked examples
These examples are separate from the scored question sequence, so the live quiz can keep its own feedback timing.
Example 1
It is acting as a sheet.
A halyard normally raises or lowers a sail; a sheet controls its working angle.
Example 2
Risk of collision may exist.
A steady relative bearing with decreasing range is a warning that needs continued observation and timely action under the applicable rules.
Example 3
To starboard.
The familiar red-right-returning convention applies only after the direction of buoyage has been established.
Example 4
It addresses conditions and warnings relevant on the water.
Marine products include wind, waves, visibility, and warnings, but still require observation and judgment.
Example 5
Raise the alarm and keep the person continuously in sight.
Early alarm, flotation, a dedicated pointer, and a controlled recovery plan protect both casualty and crew.
No. It is an independently written Compass readiness sample mapped to published basic-keelboat knowledge areas. It does not reproduce an American Sailing exam or award certification.
No. A browser quiz cannot observe lookout, communication, sail handling, maneuvering, docking, recovery, or other practical performance.
No public result page is created. The result is intended as a private topic guide for the current browser session.
Editorial record
Reviewed September 2, 2026. Compass uses these sources to check terminology, scope, and safety boundaries; the questions and diagrams remain independently authored.
Used only to map independent knowledge preparation and practical-awareness boundaries. Compass does not reproduce American Sailing courseware or assessments.
International and Inland Navigation Rules source and U.S. boundary context.
Primary reference for lateral, non-lateral, regulatory, ICW, and western-river aids used in U.S. waters.
Federal baseline only. State and local requirements can add obligations and must be checked separately.
Primary source for U.S. marine forecasts, warnings, and regional forecast offices.