Correct) 2025/2026 |VERIFIED|
**What does one short blast of a horn mean?**
I intend to overtake you on my left side.
**A sailboat is navigating in fog. What sound should it emit?**
A long blast followed by two short blasts, repeated every two minutes.
**How is a green can buoy shaped?**
It is a cylindrical or square marker, painted green with odd numbers. It should be kept on the left
(port) side when heading upstream or returning from sea.
**What does an orange square buoy represent?**
It signals informational markers.
**What is Carbon Monoxide (CO)?**
CO is a colorless, odorless, and tasteless gas produced from burning carbon-based fuels.
Avoid venturing into areas near swim platforms where exhaust outlets are present, as inhaling the gas
can be lethal even with a brief exposure.
When operating at slow speeds or idling, CO can build up inside the cabin, cockpit, and rear deck. Always
maintain a 20-foot distance from other vessels to avoid inhaling CO.
Early symptoms of CO poisoning include eye irritation, dizziness, nausea, headaches, and weakness.
**How to estimate the distance from a thunderstorm:**
1
, Count the seconds between seeing lightning and hearing thunder.
Divide the seconds by five.
This gives an approximate distance in miles.
**What are the characteristics of CAN buoys?**
Green and marked with odd numbers.
**What does a white buoy with red vertical stripes indicate?**
It signals safe waters, which are navigable from all directions.
**What does an orange circular marker mean?**
It indicates an area where you should reduce speed or go at idle.
**What does a white buoy with a blue stripe mean?**
It denotes a mooring buoy, typically with a heavy anchor and chain for securing vessels.
**What is the meaning of a white buoy with black vertical stripes?**
It warns that you should not pass between the marker and the shore.
**What does a white buoy with orange bands and an orange diamond indicate?**
Stay at least 700 feet away from it.
**What does a white buoy with an orange crossed diamond and black letters indicate?**
Keep out of the area.
**Which symbol on a regulatory marker represents a swimming area?**
The orange crossed diamond.
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