California Boater Card Practice Test 2026: Test de práctica 5

Test de práctica 5 de 6 de California Boater Card Practice Test: 25 preguntas más con respuestas y explicaciones.

Navegación
California
132 preguntas
Revisado el 10 de octubre de 2026

Pregunta 1 de 25
On a regulatory marker, what does an orange square or rectangle mean?
- It gives information, such as directions
- Danger ahead, such as rocks
- Boats must keep out of the area
- A speed limit applies in the area
Ver respuesta
Respuesta: A. It gives information, such as directions
Squares give information. Diamonds warn of danger, diamonds with a cross mean keep out, and circles mark controlled areas.
Pregunta 2 de 25
Boat B is crossing from boat A's starboard (right) side. Which boat is the give-way vessel?
- Boat A
- Whichever boat is faster
- Boat B
- Neither; both must stop
Ver respuesta
Respuesta: A. Boat A
When two power-driven vessels cross, the one that has the other on its starboard side must keep out of the way. Boat A slows or turns right to pass behind B.
Pregunta 3 de 25
What sound-producing device must a boat under 12 meters (39.4 feet) carry?
- A bell and a gong mounted on deck
- A siren, like those used on police boats
- Nothing; shouting loudly is enough
- An efficient sound device, such as a horn or whistle
Ver respuesta
Respuesta: D. An efficient sound device, such as a horn or whistle
Boats under 12 meters must carry an efficient sound-producing device, such as a hand-held air horn or a whistle. A human voice is not acceptable.
Pregunta 4 de 25
Your flares expired last year. Do they count toward the requirement?
- Yes, for up to 5 years after expiry
- Yes, if they are kept dry
- No, expired pyrotechnics do not count
- Yes, but only at night
Ver respuesta
Respuesta: C. No, expired pyrotechnics do not count
Pyrotechnic signals must be in date. Expired signals do not meet the requirement.
Pregunta 5 de 25
Which boating accident must be reported to the state?
- One where someone needs more than first aid
- A scratch to the hull that costs $100 to fix
- Any time a fishing line breaks on a snag
- Any time a boat runs out of fuel on the water
Ver respuesta
Respuesta: A. One where someone needs more than first aid
A report is required for a death, a disappearance, an injury needing more than first aid, damage of $2,000 or more, or the complete loss of a boat.
Pregunta 6 de 25
Two sailboats meet with the wind on different sides. Which must keep clear?
- The boat with the wind on its port side
- The boat with the wind on its starboard side
- The larger sailboat
- The boat that is to leeward
Ver respuesta
Respuesta: A. The boat with the wind on its port side
When sailing vessels have the wind on different sides, the one with the wind on its port side keeps out of the way.
Pregunta 7 de 25
What does this buoy with red and white vertical stripes mark?
- Safe water, such as the middle of a channel
- A place where boats may not go
- A swimming area
- A wreck or rock to stay away from
Ver respuesta
Respuesta: A. Safe water, such as the middle of a channel
Safe water markers have red and white vertical stripes. They mark safe water all around, often a fairway or mid-channel.
Pregunta 8 de 25
What does this white marker with an open orange diamond mean?
- Danger, such as rocks, shoals or a dam
- Boats may not enter the area
- A safe place to anchor overnight
- A speed limit applies here
Ver respuesta
Respuesta: A. Danger, such as rocks, shoals or a dam
An orange diamond warns of danger. The danger may be described in black letters on the marker.
Pregunta 9 de 25
During the day, what shape does a vessel at anchor display?
- Two red balls on the mast
- An orange flag at the stern
- A black ball near the bow
- A black cone, point down
Ver respuesta
Respuesta: C. A black ball near the bow
An anchored vessel shows a black ball forward by day and an all-round white light at night. Vessels under 7 meters away from channels and anchorages are generally exempt.
Pregunta 10 de 25
On inland waters, you want to overtake a power-driven vessel and pass on its starboard side. What signal do you give?
- Two short blasts
- One short blast
- One prolonged blast
- Three short blasts
Ver respuesta
Respuesta: B. One short blast
Inland, one short blast means "I intend to overtake you on your starboard side". Two short blasts mean "on your port side".
Pregunta 11 de 25
On a powerboat under 12 meters, how high must the all-round white light be above the sidelights?
- At least 6 inches (15 cm)
- At least 10 feet (3 meters)
- At the same height as them
- At least 3.3 feet (1 meter)
Ver respuesta
Respuesta: D. At least 3.3 feet (1 meter)
The masthead or all-round white light must be at least 3.3 feet higher than the sidelights.
Pregunta 12 de 25
What must every operator do at all times to avoid collisions?
- Rely on other boats to see you
- Watch the radar only
- Look out only at night
- Keep a proper lookout by sight and hearing
Ver respuesta
Respuesta: D. Keep a proper lookout by sight and hearing
Every vessel must keep a proper lookout by sight and hearing, and by all available means, at all times.
Pregunta 13 de 25
A large ship can only operate safely inside a narrow channel. What must a small recreational boat do?
- Hold course because small boats have right of way
- Not get in its way
- Stop in the channel and wait
- Cross in front of it to show its position
Ver respuesta
Respuesta: B. Not get in its way
Vessels under 20 meters (65.6 feet) and sailing vessels must not impede a vessel that can navigate safely only within a narrow channel.
Pregunta 14 de 25
A sailboat under sail (A) and a powerboat (B) are on crossing courses. Which one is the give-way vessel?
- The boat on the left
- The sailboat, A
- The powerboat, B
- The boat that is moving faster
Ver respuesta
Respuesta: C. The powerboat, B
A power-driven vessel must keep out of the way of a sailing vessel, unless the sailboat is overtaking it.
Pregunta 15 de 25
Boat A is overtaking boat B from behind. Which boat must keep clear?
- The smaller of the two boats
- Boat B, the boat being passed
- Boat A, the overtaking boat
- Whichever boat is closer to shore
Ver respuesta
Respuesta: C. Boat A, the overtaking boat
In an overtaking situation, the overtaking vessel is the give-way vessel and must keep clear until it is past.
Pregunta 16 de 25
Which compartments need a powered exhaust blower?
- Only compartments used to store life jackets and lines
- Those with a gasoline engine that has a remote-start motor
- Every compartment on every boat, of any kind
- Only cabins that have a toilet or a sink
Ver respuesta
Respuesta: B. Those with a gasoline engine that has a remote-start motor
A powered blower is required for compartments with a permanently installed gasoline engine that has a cranking motor for remote starting.
Pregunta 17 de 25
Older B-I and B-II extinguishers are still accepted on which boats?
- All boats, of any model year
- Only boats built in 2018 or later
- Boats built in model year 2017 or earlier
- Only personal watercraft of any year
Ver respuesta
Respuesta: C. Boats built in model year 2017 or earlier
Coast Guard B-I and B-II extinguishers are acceptable only on vessels built in model year 2017 or earlier.
Pregunta 18 de 25
When must recreational boats show navigation lights?
- Only when other boats are close by
- From sunset to sunrise and in poor visibility
- Only on nights when there is no moon
- Only on the ocean, not on lakes or rivers
Ver respuesta
Respuesta: B. From sunset to sunrise and in poor visibility
Navigation lights are required between sunset and sunrise and during periods of restricted visibility.
Pregunta 19 de 25
Since April 20, 2022, which fire extinguisher ratings meet carriage requirements on all recreational boats?
- Class D only, for metal fires
- 1-A only, for wood and paper
- Any household extinguisher
- 5-B or larger, such as 5-B:C
Ver respuesta
Respuesta: D. 5-B or larger, such as 5-B:C
Extinguishers rated 5-B (for example 5-B:C or 10-B:C) or larger meet the carriage requirements for all recreational vessels.
Pregunta 20 de 25
During the day, a sailboat using its engine with its sails up should display what?
- A black cone with its point down
- An orange flag on the mast
- A red pennant at the stern
- A black ball in the rigging
Ver respuesta
Respuesta: A. A black cone with its point down
A sailing vessel under power displays a cone, apex down, by day. It is not required for vessels under 12 meters on inland waters.
Pregunta 21 de 25
You see this marker with an orange circle and the number 10 inside. What does it tell you?
- A speed limit applies in the area
- 10 boats may anchor here
- It is buoy number 10 in the channel
- The water is 10 feet deep
Ver respuesta
Respuesta: A. A speed limit applies in the area
A circle marks a controlled area. A number inside shows the speed limit that applies.
Pregunta 22 de 25
A power-driven boat under 12 meters (39.4 feet) may show which lights instead of a masthead light and sternlight?
- One flashing yellow light at the bow
- Its sidelights only, with no white light
- Two red all-round lights, one above the other
- An all-round white light plus sidelights
Ver respuesta
Respuesta: D. An all-round white light plus sidelights
A power-driven vessel under 12 meters may combine its masthead light and sternlight into one all-round white light, shown with sidelights.
Pregunta 23 de 25
You are the stand-on vessel, but the give-way vessel is not taking action and a collision is near. What must you do?
- Turn off your engine and drift
- Sound one prolonged blast and keep going
- Take action to avoid the collision
- Hold course and speed no matter what
Ver respuesta
Respuesta: C. Take action to avoid the collision
The stand-on vessel must take the best action to avoid collision when the give-way vessel alone can no longer prevent it.
Pregunta 24 de 25
A sailboat is motoring with its engine and its sails are down. How is it treated under the Navigation Rules?
- As a power-driven vessel
- As a vessel not under command
- As a sailing vessel
- As a vessel at anchor
Ver respuesta
Respuesta: A. As a power-driven vessel
A sailboat using its engine is a power-driven vessel and follows the power-driven rules.
Pregunta 25 de 25
What amount of property damage makes a boating accident reportable?
- $2,000 or more
- $10,000 or more
- $500 or more
- $200 or more
Ver respuesta
Respuesta: A. $2,000 or more
Accidents with damage to vessels and other property totaling $2,000 or more must be reported.

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