California Boater Card Practice Test 2026: Test de práctica 3

1. Pregunta 1 de 25

   A collision causes $3,000 in damage but no injuries. How soon must it be reported?

   • AWithin 10 days
   • BIt does not need to be reported
   • CWithin 2 hours
   • DWithin 48 hours
   Ver respuesta

   Respuesta: A. Within 10 days

   Accidents with damage only (of $2,000 or more) must be reported within 10 days.

2. Pregunta 2 de 25

   What does "not under command" mean in the Navigation Rules?

   • AA vessel with no licensed captain on board at the time
   • BA vessel that cannot maneuver because of a problem, such as a steering failure
   • CA vessel that is going faster than the posted speed limit
   • DA vessel that is anchored or tied to a mooring buoy
   Ver respuesta

   Respuesta: B. A vessel that cannot maneuver because of a problem, such as a steering failure

   A vessel not under command cannot keep out of the way because of an exceptional circumstance. Other vessels, including sailboats, must keep clear of it.

3. Pregunta 3 de 25

   You are in a No Discharge Zone. What must you do with your marine sanitation device?

   • ADischarge only sewage that has been treated
   • BRemove the toilet from the boat completely
   • CSecure it so it cannot discharge, such as with a padlock
   • DDischarge only at night when no one is swimming
   Ver respuesta

   Respuesta: C. Secure it so it cannot discharge, such as with a padlock

   In a No Discharge Zone, no sewage may be discharged, and the device must be secured, such as with a padlocked valve or locked door.

4. Pregunta 4 de 25

   Is it legal to tie your boat to a navigation buoy?

   • ANo, it is dangerous and illegal
   • BYes, if you stay less than an hour
   • CYes, if the buoy is green
   • DYes, but only in daylight
   Ver respuesta

   Respuesta: A. No, it is dangerous and illegal

   Do not tie up to aids to navigation. It is dangerous and illegal, and it can hide the aid from other boaters.

5. Pregunta 5 de 25

   This marker shows a diamond with a cross and the words "SWIM AREA". What must boaters do?

   • AKeep it on your right when returning
   • BKeep out of the marked swimming area
   • CAnchor there to swim
   • DSlow down and pass through it
   Ver respuesta

   Respuesta: B. Keep out of the marked swimming area

   A diamond with a cross means boats keep out. Here it protects a swimming area.

6. Pregunta 6 de 25

   At night you see another boat's red sidelight on your starboard side. What should you do?

   • AHold course, since you are the stand-on boat
   • BSpeed up to cross in front of it quickly
   • CGive way, because it is crossing from your right
   • DTurn off your lights so you do not confuse it
   Ver respuesta

   Respuesta: C. Give way, because it is crossing from your right

   A red light on your right means a boat is crossing from your starboard side. You are the give-way vessel.

7. Pregunta 7 de 25

   Several people are in cold water wearing life jackets. How can they stay warmer?

   • ASpread out to be seen
   • BFloat on their backs far apart
   • CHuddle close together
   • DTake turns swimming laps
   Ver respuesta

   Respuesta: C. Huddle close together

   The huddle position reduces heat loss and keeps the group together for rescuers.

8. Pregunta 8 de 25

   What colors are used on regulatory and information markers?

   • ARed and white vertical stripes
   • BGreen with a wide red band in the middle
   • CBlack with one or more yellow bands
   • DWhite with orange bands at top and bottom
   Ver respuesta

   Respuesta: D. White with orange bands at top and bottom

   Regulatory and information markers are white with an orange band near the top and bottom. The orange shape shows the meaning.

9. Pregunta 9 de 25

   For which activities does the Coast Guard recommend wearing a life jacket, and many states require it?

   • AOnly fishing from a dock or a pier
   • BOnly when the boat is anchored offshore
   • COnly boating after dark on large lakes
   • DWater skiing, PWC riding, whitewater and sailboarding
   Ver respuesta

   Respuesta: D. Water skiing, PWC riding, whitewater and sailboarding

   The Coast Guard recommends wearing a life jacket for high-risk activities like water skiing, PWC riding, whitewater and sailboarding, and many states require it.

10. Pregunta 10 de 25

    How many wearable life jackets must a recreational boat carry?

    • AOne for every two people on board
    • BOne approved life jacket for each person
    • CTwo for the whole boat, of any size
    • DOne for the operator only
    Ver respuesta

    Respuesta: B. One approved life jacket for each person

    Federal rules require one wearable, Coast Guard-approved life jacket for each person aboard.

11. Pregunta 11 de 25

    Which vessels are exempt from carrying day visual distress signals?

    • AAny boat that has a working VHF radio
    • BBoats with inboard gasoline engines
    • CManually propelled boats, such as canoes
    • DAll boats over 26 feet with a cabin
    Ver respuesta

    Respuesta: C. Manually propelled boats, such as canoes

    Manually propelled boats, boats under 16 feet, open sailboats under 26 feet without propulsion, and boats in organized events are exempt from day signals.

12. Pregunta 12 de 25

    Where should swimmers stay away from while a boat's engine or generator is running?

    • AThe shoreline and shallow water nearby
    • BThe bow, where the anchor is stored
    • CThe swim platform and the back of the boat
    • DThe anchor line at the front of the boat
    Ver respuesta

    Respuesta: C. The swim platform and the back of the boat

    Exhaust gases with carbon monoxide collect near the stern and swim platform. Do not swim or sit there while engines or generators run.

13. Pregunta 13 de 25

    Which light does a boat show when anchored at night?

    • AAn all-round red light
    • BIts red and green sidelights
    • CAn all-round white light
    • DA flashing yellow light
    Ver respuesta

    Respuesta: C. An all-round white light

    A vessel at anchor shows an all-round white light at night and a black ball by day.

14. Pregunta 14 de 25

    Your boat is 40 feet long and you operate on U.S. inland waters. What document must you keep on board?

    • AA copy of the boat's insurance policy
    • BA copy of the Navigation Rules
    • CA map of every state you will visit
    • DA list of marinas with fuel
    Ver respuesta

    Respuesta: B. A copy of the Navigation Rules

    Operators of vessels 12 meters (39.4 feet) or longer must keep a copy of the Navigation Rules on board on inland waters.

15. Pregunta 15 de 25

    Which non-pyrotechnic signal counts for daytime use only?

    • AAn orange distress flag, 3 by 3 feet
    • BA white all-round anchor light
    • CAn electric distress light
    • DA green flashlight, held up high
    Ver respuesta

    Respuesta: A. An orange distress flag, 3 by 3 feet

    An orange distress flag is a day signal. An electric distress light is a night signal.

16. Pregunta 16 de 25

    One 20-B fire extinguisher can replace how many required 5-B extinguishers?

    • ATwo
    • BFour
    • CThree
    • DOne
    Ver respuesta

    Respuesta: A. Two

    One 20-B extinguisher may be carried in place of two required 5-B extinguishers.

17. Pregunta 17 de 25

    How should a give-way vessel act?

    • ABy speeding up to cross in front
    • BLate, with a small turn at the last moment
    • CEarly and with a large, obvious change of course or speed
    • DBy sounding five short blasts and holding course
    Ver respuesta

    Respuesta: C. Early and with a large, obvious change of course or speed

    The give-way vessel must take early and substantial action so the other operator can clearly see what it is doing.

18. Pregunta 18 de 25

    When is an operator NOT required to use the engine cut-off switch link?

    • AWhen there are passengers on board
    • BWhen the water is calm
    • CWhen the main helm is inside an enclosed cabin
    • DWhen the boat is going faster than 20 mph
    Ver respuesta

    Respuesta: C. When the main helm is inside an enclosed cabin

    The requirement does not apply when the main helm is inside an enclosed cabin. It is also not needed at slow speeds such as docking or trolling.

19. Pregunta 19 de 25

    Someone is injured and needs medical treatment beyond first aid. How soon must the written report be filed?

    • AWithin 10 days
    • BWithin 48 hours
    • CWithin 30 days
    • DWithin one year
    Ver respuesta

    Respuesta: B. Within 48 hours

    Reports are due within 48 hours for a death within 24 hours, an injury beyond first aid, or a disappearance. Other reportable accidents must be reported within 10 days.

20. Pregunta 20 de 25

    What is true about carbon monoxide (CO) from boat engines?

    • AIt is safe outdoors on a boat
    • BIt only comes from diesel engines
    • CIt smells like gasoline, so it is easy to notice
    • DIt has no color or smell and can kill quickly
    Ver respuesta

    Respuesta: D. It has no color or smell and can kill quickly

    Carbon monoxide is colorless and odorless. It can build up around a boat, especially near the stern and swim platform, while engines or generators run.

21. Pregunta 21 de 25

    What must a boat 12 meters (39.4 feet) or longer carry for sound signals?

    • AA referee whistle for the operator
    • BA small hand bell kept at the helm
    • CA whistle audible for 1/2 nautical mile
    • DNothing beyond a working VHF radio
    Ver respuesta

    Respuesta: C. A whistle audible for 1/2 nautical mile

    Vessels 12 meters or longer need a whistle (horn) audible for 1/2 nautical mile. Vessels 20 meters or longer also need a bell.

22. Pregunta 22 de 25

    When must the operator of a covered boat use the engine cut-off switch link?

    • AOnly when towing a skier or a tube
    • BWhen on plane or above displacement speed
    • COnly when docking at a marina or ramp
    • DOnly when operating after dark
    Ver respuesta

    Respuesta: B. When on plane or above displacement speed

    Since April 1, 2021, operators of covered boats must use the engine cut-off switch link when running on plane or above displacement speed.

23. Pregunta 23 de 25

    You are returning from sea. On which side should you keep this green buoy?

    • AOn your port (left) side
    • BOn your starboard (right) side
    • COn either side
    • DDirectly ahead of you
    Ver respuesta

    Respuesta: A. On your port (left) side

    Green lateral markers mark the port side of the channel when you return from sea. Keep them on your left.

24. Pregunta 24 de 25

    What does this white marker with an orange diamond and a cross inside mean?

    • ASwimmers may not enter
    • BBoats keep out of the area
    • CSlow down to 5 mph
    • DInformation about a nearby marina
    Ver respuesta

    Respuesta: B. Boats keep out of the area

    A diamond with a cross marks an exclusion area. Boats must keep out, for example near dams or swimming areas.

25. Pregunta 25 de 25

    A 70-foot (21-meter) boat must carry which sound-producing devices?

    • AA whistle, a bell and a gong
    • BA hand-held air horn only
    • CA whistle and a bell
    • DA whistle only
    Ver respuesta

    Respuesta: C. A whistle and a bell

    Vessels 20 meters or longer need a whistle and a bell. A gong is added at 100 meters or longer.

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