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The Hardest Questions on the ASA 103 Exam

· sailing,ASA103

The 103 ASA exam is considerably harder than the 101, but focusing on the right topics will increase the likelihood of you passing. Read on to find out what are some of the hardest questions and topics on the exam (according to our readers).

When do you display nav lights?

Nav lights should be used in low visibility conditions and at night while underway.

Should you have your stern light on while under way?

 Yes, your stern light (the white light at the stern of your boat) should be on whether you are sailing or motoring. If your boat is under 65 feet, then the your stern light can be on the mast.

Should you have a masthead light  (a white light in the front of the boat) while underway? 

Your masthead light should be on only if you are motoring.  This allows other boats around you to differentiate between under sail vs. under power boats.

What sound signals should you use when navigating in low visibility?

While under sail in low visibility conditions, you should use your air horn to signal your position at least once every 2 minutes by doing one long blast followed by two short ones. Think blaassssst- blast - blast.

If motoring, you should sound one prolonged blast every two minutes or less. Think blassssst. 

What kind of flag is this?

Answer: a diving flag

What kind of line should you use for towing, and where do you attach it?

It is recommended that you use a bridle when towing, which is two lines that form a Y.  You'll want to use long and strong lines — the anchor rode is well suited for this. A good place to attach the line if you are the boat doing the towing are your primary winches. You could also tie the line to the base of the mast, which is also strong. Avoid towing the disable boat backwards (stern first) as that can damage the rudder.  Stay away from the line while under tension. The force of a line under tow that snaps is strong enough to break your legs.

Studying for the 103 exam? Get access to our ASA 103 Study Guide to learn the answers to all these questions and more! Our online review platform will quiz you on different topics at the optimal interval to make sure you won't forget everything you need to know to pass your 103 exam.

What questions did you find difficult? Shoot us an email at support@learnwithsapienza.com to let us know, or leave a comment below!

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