Online Boating Safety (OBS) Certification Exam — Questions and Answers
Question 1: What does a boat displaying an orange or red flag (alpha flag) near towed water sports activities indicate?
- The vessel is restricted in its ability to maneuver
- The vessel is engaged in commercial fishing
- A skier is down in the water and nearby boats should reduce speed and stay clear (Correct answer)
- A diver is below and boats should maintain 200 feet distance
Correct answer: A skier is down in the water and nearby boats should reduce speed and stay clear
An orange skier-down flag signals that a person is in the water and approaching vessels must slow down and steer well clear.
Question 2: Antifouling bottom paint containing tributyltin (TBT) has been banned because it:
- Dissolves too quickly, requiring frequent reapplication
- Is highly toxic to marine life including oysters, snails, and fish even at extremely low concentrations (Correct answer)
- Leaves visible stains on docks and marina structures
- Reacts with saltwater to produce explosive gases
Correct answer: Is highly toxic to marine life including oysters, snails, and fish even at extremely low concentrations
TBT is an extremely persistent endocrine-disrupting biocide that causes severe reproductive defects and population collapse in shellfish and other marine organisms at parts-per-trillion concentrations.
Question 3: A boater is anchoring overnight in an unfamiliar bay. What chart feature should they check FIRST?
- The prevailing wind direction printed on the chart
- The chart's publication date
- Water depths, bottom type, and any underwater obstructions or cables in the area (Correct answer)
- The distance to the nearest marina
Correct answer: Water depths, bottom type, and any underwater obstructions or cables in the area
Checking depths, bottom composition (for anchor holding), and hazards like cables ensures a safe and secure anchorage.
Question 4: What is the purpose of a Safety Data Sheet (SDS) in Online Boating Safety Certification operations?
- To provide hazard information about chemicals and materials (Correct answer)
- To record financial data
- To list company policies
- To track employee schedules
Correct answer: To provide hazard information about chemicals and materials
Safety Data Sheets provide detailed information about chemical hazards, safe handling procedures, and emergency measures.
Question 5: Which vessel has the right of way over all others under the Navigation Rules?
- A sailing vessel under sail alone
- A vessel constrained by its draft
- A large commercial ship
- A vessel not under command (Correct answer)
Correct answer: A vessel not under command
A vessel not under command (unable to maneuver) has the highest right-of-way priority because it cannot take action to avoid collision.
Question 6: What does cold water shock primarily cause in the first minutes of immersion?
- Hypothermia that incapacitates the swimmer
- Uncontrollable hyperventilation and gasping (Correct answer)
- Loss of consciousness from pressure change
- Muscle cramps that prevent swimming
Correct answer: Uncontrollable hyperventilation and gasping
Cold water shock triggers an involuntary gasp reflex and hyperventilation that can cause drowning before hypothermia sets in.
Question 7: How do you test that your boat's navigation lights are operational before a night trip?
- Check them the morning before departure in bright sunlight
- Review the previous night's log to confirm they worked on the last trip
- Ask a marina employee to visually inspect the light fixtures
- Turn them on and walk around the boat in the dark to confirm each light is visible from the correct angle (Correct answer)
Correct answer: Turn them on and walk around the boat in the dark to confirm each light is visible from the correct angle
Walking around the vessel at dusk or in darkness while the lights are on verifies correct color, location, visibility arc, and brightness as required by the Navigation Rules.
Question 8: What is the recommended action if a tow rope becomes wrapped around the propeller?
- Put the engine in reverse to unwind the rope
- Keep the engine running at idle while a passenger clears the rope
- Shut off the engine completely before attempting to remove the rope (Correct answer)
- Apply full throttle briefly to break the rope free
Correct answer: Shut off the engine completely before attempting to remove the rope
The engine must be completely shut off to eliminate all risk of the propeller suddenly engaging while someone clears the rope.
Question 9: What should a boater do if their engine fails in a shipping channel?
- Wait silently until help arrives
- Attempt to anchor, display distress signals, and contact the Coast Guard (Correct answer)
- Swim to shore and call for help
- Deploy all fenders and wait
Correct answer: Attempt to anchor, display distress signals, and contact the Coast Guard
Anchoring (if possible), displaying distress signals, and contacting the Coast Guard ensures others are aware of your emergency situation.
Question 10: A boat operator is pulled over and found to have an expired registration. Which statement about this situation is most accurate?
- Expired registration carries no penalty if the owner can show proof of purchase
- An expired registration is only an issue during official USCG inspections
- Registration expiration only matters for vessels over 26 feet
- The operator can face fines and may be ordered off the water until the vessel is properly registered (Correct answer)
Correct answer: The operator can face fines and may be ordered off the water until the vessel is properly registered
Operating with an expired registration is a violation that can result in fines and an order to stop operating the vessel until proper registration is obtained.
Question 11: The term 'boater's fatigue' or 'boater's high' refers to:
- Fatigue from sun, wind, and motion that mimics alcohol impairment even when sober (Correct answer)
- Increased alertness caused by sea air
- Excitement from reaching high speeds on the water
- Elevated BAC from alcohol consumed at high altitude
Correct answer: Fatigue from sun, wind, and motion that mimics alcohol impairment even when sober
Sun, wind, noise, vibration, and wave motion create fatigue and stress that mimic alcohol-like impairment, reducing alertness even in a sober boater.
Question 12: A recreational vessel operating between sunset and sunrise must display navigation lights. When do these lights need to be turned on?
- From sunset to sunrise and in periods of restricted visibility (Correct answer)
- Only in restricted visibility regardless of time
- From 30 minutes after sunset to 30 minutes before sunrise
- Only when another vessel is visible
Correct answer: From sunset to sunrise and in periods of restricted visibility
Navigation lights must be displayed from sunset to sunrise and also during any period of restricted visibility, day or night.
Question 13: How should passengers be seated to maintain proper boat stability?
- All on one side for easy boarding
- Low and centered, with weight distributed evenly (Correct answer)
- Standing along the gunwales to see better
- At the bow to improve visibility
Correct answer: Low and centered, with weight distributed evenly
Keeping passengers seated low and with weight distributed evenly prevents the boat from listing or capsizing.
Question 14: Which type of radio signal is transmitted on VHF Channel 16 by NOAA and the Coast Guard as a navigational warning?
- PAN-PAN relay
- MAYDAY relay
- SELCAL alert
- SECURITE (pronounced say-cure-ee-tay) (Correct answer)
Correct answer: SECURITE (pronounced say-cure-ee-tay)
SECURITE is the safety signal used to broadcast navigational hazards, weather warnings, and other safety-related information to mariners.
Question 15: What does PPE stand for in the context of Online Boating Safety Certification safety protocols?
- Professional Performance Evaluation
- Personal Protective Equipment (Correct answer)
- Project Planning Essentials
- Public Policy Enforcement
Correct answer: Personal Protective Equipment
PPE stands for Personal Protective Equipment, which includes items worn to minimize exposure to hazards that cause injuries.
Question 16: What is the primary purpose of the Hull Identification Number (HIN) on a recreational vessel?
- To uniquely identify the vessel for registration, recall, and law enforcement purposes (Correct answer)
- To show the manufacturer's quality certification
- To indicate the vessel's maximum weight capacity
- To specify the type of fuel the engine uses
Correct answer: To uniquely identify the vessel for registration, recall, and law enforcement purposes
The HIN uniquely identifies each vessel for tracking registrations, safety recalls, theft recovery, and law enforcement investigations.
Question 17: Which signal indicates a vessel is in distress during daylight hours?
- Waving a white flag
- Blowing one long horn blast
- Displaying an orange smoke signal
- Slowly and repeatedly raising and lowering outstretched arms (Correct answer)
Correct answer: Slowly and repeatedly raising and lowering outstretched arms
Slowly raising and lowering outstretched arms is the internationally recognized visual distress signal for daytime use.
Question 18: What does the abbreviation 'UTC' mean in marine communications and logs?
- US Traffic Channel
- United Traffic Control
- Underwater Transmission Code
- Universal Time Coordinated (Correct answer)
Correct answer: Universal Time Coordinated
UTC (Universal Time Coordinated) is the global time standard used in marine communications to avoid confusion across time zones.
Question 19: Which safety practice is essential for preventing cross-contamination in Online Boating Safety Certification?
- Using the same tools everywhere
- Proper hand hygiene and equipment sanitation (Correct answer)
- Skipping cleaning protocols
- Working faster
Correct answer: Proper hand hygiene and equipment sanitation
Proper hygiene and sanitation prevent the transfer of harmful agents between surfaces, materials, or patients.
Question 20: What is the primary purpose of a Float Plan before departure?
- To register your vessel with the state boating authority
- To document your vessel's safety equipment for insurance
- To inform someone onshore of your route, destination, and expected return time (Correct answer)
- To obtain a weather clearance for offshore travel
Correct answer: To inform someone onshore of your route, destination, and expected return time
A float plan left with a responsible person onshore helps rescuers know where to look if you don't return as expected.
Question 21: What does a downed skier in the water display to alert other boaters?
- A raised ski or arm above the water (Correct answer)
- A red or orange flag from the boat
- A white flag mounted on a pole
- Three short whistle blasts
Correct answer: A raised ski or arm above the water
A skier in the water should raise a ski or an arm to signal their location to approaching boats.
Question 22: What should an operator tell passengers BEFORE departing the dock?
- The location of life jackets, fire extinguisher, and what to do in an emergency (Correct answer)
- Personal details about the boat's maintenance history
- The estimated cost of fuel for the trip
- The names and ranks of the nearest Coast Guard station personnel
Correct answer: The location of life jackets, fire extinguisher, and what to do in an emergency
Operators must brief passengers on safety equipment locations and emergency procedures before getting underway.
Question 23: What is the required light configuration for a vessel being pushed ahead (not a composite unit) at night?
- Sidelights and a stern light only
- All-round white light and sidelights
- Two towing lights and sidelights
- Sidelights only at the forward end (Correct answer)
Correct answer: Sidelights only at the forward end
A vessel being pushed ahead that is not part of a composite unit shall exhibit sidelights at the forward end.
Question 24: What is the correct procedure for winterizing a freshwater cooling system on a boat engine?
- Run the engine until it overheats to burn off remaining water
- Leave the system full of fresh water since it won't freeze indoors
- Drain the system and leave all petcocks open
- Flush with antifreeze rated for the expected low temperatures (Correct answer)
Correct answer: Flush with antifreeze rated for the expected low temperatures
Flushing the cooling system with marine non-toxic antifreeze rated for expected minimum temperatures is the correct method to prevent freeze damage to engine components.
Question 25: In Online Boating Safety Certification, what does SMART stand for in goal setting?
- Simple, Managed, Agreed, Realistic, Tracked
- Strategic, Motivating, Aligned, Resourced, Targeted
- Standard, Monitored, Approved, Reviewed, Tested
- Specific, Measurable, Achievable, Relevant, Time-bound (Correct answer)
Correct answer: Specific, Measurable, Achievable, Relevant, Time-bound
SMART goals are Specific, Measurable, Achievable, Relevant, and Time-bound, providing a framework for effective goal setting.
Question 26: What is the recommended action if your boat runs aground?
- Call for a tow immediately without attempting to free the vessel yourself
- Check for hull damage, shift weight if possible, and try to free the vessel gently (Correct answer)
- Abandon the vessel and swim to shore
- Immediately apply full throttle in reverse to free the hull
Correct answer: Check for hull damage, shift weight if possible, and try to free the vessel gently
First check for damage to ensure the hull is sound, then gently try shifting weight or using reduced power before calling for a tow.
Question 27: When using GPS for navigation, what is 'HDOP' and why does it matter?
- High-Definition Ocean Positioning — an advanced GPS mode for coastal waters
- Heading Display Output Parameter — the compass display on a GPS unit
- Horizontal Dilution of Precision — a measure of GPS accuracy based on satellite geometry (Correct answer)
- Harbor Departure Operational Protocol — required for marina exit
Correct answer: Horizontal Dilution of Precision — a measure of GPS accuracy based on satellite geometry
HDOP measures GPS accuracy; a lower HDOP value means satellites are well-spaced and position accuracy is better.
Question 28: Which passenger behavior should an operator actively prevent to avoid capsizing?
- Using marine radios without authorization
- Eating or drinking non-alcoholic beverages on deck
- Moving together to one side of the boat to look at something (Correct answer)
- Wearing life jackets with loose straps
Correct answer: Moving together to one side of the boat to look at something
Passengers clustering on one side shifts the center of gravity, causing the vessel to list severely and potentially capsize.
Question 29: On a nautical chart, a number enclosed in parentheses next to a depth sounding indicates:
- The depth at mean high water
- A charted wreck depth
- A dredged channel depth (Correct answer)
- A depth that has been reduced from a previous survey
Correct answer: A dredged channel depth
Parenthesized depth figures on nautical charts denote dredged channel depths maintained to that level.
Question 30: What does informed consent require in Online Boating Safety Certification practice?
- Only a signed document
- Full disclosure of relevant information before obtaining agreement (Correct answer)
- Agreement from a third party
- A quick verbal agreement
Correct answer: Full disclosure of relevant information before obtaining agreement
Informed consent requires that all relevant information be provided so the individual can make a knowledgeable and voluntary decision.
Question 31: Which of the following is the correct way to dispose of old marine flares?
- Contact the manufacturer, local fire department, or hazardous waste facility for proper disposal (Correct answer)
- Fire them offshore to test they still work, then discard the casings
- Throw them in a marina dumpster since they are considered solid waste
- Bury them on a beach below the high-tide line
Correct answer: Contact the manufacturer, local fire department, or hazardous waste facility for proper disposal
Flares contain explosive and pyrotechnic materials classified as hazardous waste and must be disposed of through the manufacturer, fire department, or certified hazardous waste programs.
Question 32: What is the main difference between a 'Certificate of Number' and a vessel title?
- They are identical documents issued under different names in different states
- A Certificate of Number proves ownership; a title is required for operation
- A title is required for federal waters; a Certificate of Number is for state waters only
- A Certificate of Number authorizes operation on the water; a title establishes legal ownership (Correct answer)
Correct answer: A Certificate of Number authorizes operation on the water; a title establishes legal ownership
A Certificate of Number (registration) authorizes the vessel to be operated on public waters, while a title is the legal document establishing ownership of the vessel.
Question 33: Which VHF channel is designated for ship-to-ship and ship-to-shore commercial working traffic?
- Channel 9
- Channel 68 (Correct answer)
- Channel 16
- Channel 22A
Correct answer: Channel 68
Channel 68 is one of the recreational working channels used for ship-to-ship communication after establishing contact on Channel 16.
Question 34: A boater who refuses to submit to a law enforcement sobriety test may face:
- Release after a 30-minute waiting period
- Only a verbal warning for a first refusal
- No consequences since refusal is protected
- Automatic penalties including license suspension under implied consent laws (Correct answer)
Correct answer: Automatic penalties including license suspension under implied consent laws
Implied consent laws mean that by operating a vessel, boaters consent to sobriety testing, and refusal typically results in automatic penalties including license suspension.
Question 35: Which type of life jacket is specifically required for water skiers being towed?
- Any flotation device, including swim noodles
- A Coast Guard-approved Type III or better life jacket (Correct answer)
- No life jacket is required if the skier is a strong swimmer
- An inflatable Type V life jacket only
Correct answer: A Coast Guard-approved Type III or better life jacket
Water skiers must wear a Coast Guard-approved Type III or better wearable life jacket, as inflatable PFDs are not approved for towing activities.
Question 36: Why is surfing or sitting on the bow, gunwale, or transom of a moving boat dangerous?
- It shifts weight causing the engine to overheat
- The person can fall overboard and be struck by the propeller or the hull (Correct answer)
- It increases fuel consumption significantly
- It is only dangerous for children under 12 years old
Correct answer: The person can fall overboard and be struck by the propeller or the hull
Riding exposed on the exterior of a moving vessel is called 'bowriding' or 'gunwale riding' — a fall into the propeller arc is often fatal.
Question 37: A defensive boater always checks wake effects because wakes can:
- Capsize small boats, damage docks, and endanger swimmers (Correct answer)
- Only matter in no-wake zones
- Only affect jet skis and personal watercraft
- Help sailboats travel faster
Correct answer: Capsize small boats, damage docks, and endanger swimmers
Wakes from your vessel can cause serious harm to small boats, people in the water, and waterfront property even outside posted no-wake zones.
Question 38: Which dayshape must a vessel constrained by its draft display?
- Three black balls in a vertical line
- A black diamond
- Two black cones apex together
- A cylinder (Correct answer)
Correct answer: A cylinder
A vessel constrained by its draft displays a cylinder as a dayshape to warn other vessels that it cannot maneuver freely.
Question 39: How should an operator handle a passenger who is visibly intoxicated while aboard?
- Immediately return to dock and radio the Coast Guard to arrest the passenger
- Allow them to steer briefly to help them sober up
- Ensure they are seated safely, wearing a PFD, and monitor them closely for the remainder of the trip (Correct answer)
- Ignore the situation unless they fall overboard
Correct answer: Ensure they are seated safely, wearing a PFD, and monitor them closely for the remainder of the trip
An intoxicated passenger is at elevated risk of falling overboard; the operator must ensure they are seated, wearing a PFD, and supervised for safety.
Question 40: Which of the following is a key principle of workplace safety in Online Boating Safety Certification?
- Reporting all near-misses and incidents (Correct answer)
- Working without breaks
- Avoiding safety training
- Ignoring minor incidents
Correct answer: Reporting all near-misses and incidents
Reporting near-misses helps organizations identify potential hazards before they cause serious injuries, creating a culture of safety.
Question 41: What is the purpose of a kill switch (engine cut-off switch) on a boat or PWC?
- To reduce speed in no-wake zones automatically
- To prevent the engine from starting without a key
- To automatically shut off the engine if the operator falls overboard or leaves the helm (Correct answer)
- To shut off the fuel supply in a fire emergency
Correct answer: To automatically shut off the engine if the operator falls overboard or leaves the helm
The kill switch lanyard attaches to the operator's wrist or life jacket; if the operator is ejected, the lanyard pulls free and kills the engine.
Question 42: A passenger with no boating experience asks to take the helm briefly. What should the operator do?
- Allow it freely since passengers have that right
- Hand over the helm and go below deck
- Allow it only if the water is calm and vessel speed is slow (Correct answer)
- Refuse entirely; only licensed operators may steer
Correct answer: Allow it only if the water is calm and vessel speed is slow
An operator may allow an inexperienced person to steer under calm, controlled conditions while remaining present and supervising at all times.
Question 43: Which factor should an operator consider when estimating a safe passenger load on a small boat in rough conditions?
- The distance from the nearest marina
- Reduced capacity due to waves, weather, and additional gear weight (Correct answer)
- The color markings on the hull
- The departure time of day
Correct answer: Reduced capacity due to waves, weather, and additional gear weight
Even if a vessel is within its rated capacity, rough conditions reduce the practical safe load because waves add stress and water can enter the vessel more easily.
Question 44: What does PPE stand for in the context of Online Boating Safety Certification safety protocols?
- Professional Performance Evaluation
- Public Policy Enforcement
- Personal Protective Equipment (Correct answer)
- Project Planning Essentials
Correct answer: Personal Protective Equipment
PPE stands for Personal Protective Equipment, which includes items worn to minimize exposure to hazards that cause injuries.
Question 45: What is the best way to assist a passenger in boarding from the water back onto the boat?
- Pull them over the stern near the propeller for shortest path
- Accelerate the boat to create a suction effect that lifts them aboard
- Have them board from the side amidships using a ladder or swim platform, engine off (Correct answer)
- Instruct them to grab the anchor line and pull themselves up
Correct answer: Have them board from the side amidships using a ladder or swim platform, engine off
Boarding over the stern risks propeller contact; using a swim platform or ladder amidships with the engine off is the safest recovery method.
Question 46: When towing a water skier or wakeboarder, what is the minimum recommended crew size?
- Two people: the operator and an observer (spotter) (Correct answer)
- Just the operator, who can watch the skier using mirrors
- One person is sufficient if the boat has a rearview camera
- Three people: operator, observer, and a passenger
Correct answer: Two people: the operator and an observer (spotter)
An observer (spotter) is required in most states so the operator can focus entirely on driving while someone watches the skier.
Question 47: What is the safe distance a PWC must maintain from another vessel, swimmer, or object when operating at speed?
- At least 25 feet from all objects
- At least 500 feet from the shoreline at all times
- No federal minimum — only state rules apply to PWCs
- At least 100 feet from swimmers and other vessels (Correct answer)
Correct answer: At least 100 feet from swimmers and other vessels
The general 100-foot rule applies to PWCs when operating near swimmers, other boats, and fixed objects to allow adequate reaction and stopping distance.
Question 48: What information does a 'Notice to Mariners' provide?
- Weather forecasts for the next 72 hours
- Fishing regulations for specific waterways
- Updates on changes to aids to navigation and navigational hazards (Correct answer)
- Required equipment lists for recreational vessels
Correct answer: Updates on changes to aids to navigation and navigational hazards
Notices to Mariners inform boaters of changes to charts, buoys, lights, and newly discovered hazards.
Question 49: What should a PWC operator do before making a sharp turn at high speed?
- Reduce speed significantly, as PWCs lose steering if the throttle is released mid-turn (Correct answer)
- Engage the reverse thrust lever before turning
- Apply full throttle through the turn for stability
- Lean hard to the outside of the turn like a motorcycle
Correct answer: Reduce speed significantly, as PWCs lose steering if the throttle is released mid-turn
Most PWCs use jet thrust for steering, so releasing the throttle during a turn removes all steering authority and the craft will not turn.
Question 50: When towing a passenger on a water ski or tube, what additional crew member is recommended?
- An observer in addition to the operator to watch the person being towed (Correct answer)
- A licensed lifeguard positioned at the bow
- A second operator ready to take the helm
- A passenger equipped with a throw bag at the stern
Correct answer: An observer in addition to the operator to watch the person being towed
A dedicated observer watches the person being towed so the operator can focus on driving and navigating safely.
Question 51: What signal does a water skier give to ask the boat to slow down?
- Thumbs-up sign
- Pat the top of the head with an open hand (Correct answer)
- Wave both arms above the head
- Point index finger downward
Correct answer: Pat the top of the head with an open hand
Patting the top of the head means 'slow down' in the standard water skier hand signal system.
Question 52: When using a paper chart, what tool is used to measure distances?
- A tide table
- A protractor
- Dividers or a compass (Correct answer)
- A parallel ruler
Correct answer: Dividers or a compass
Dividers are used to measure distances on a chart by comparing the spread against the latitude scale on the chart's border.
Question 53: What does a vessel operator do to practice safe speed in accordance with COLREGS Rule 6?
- Always travel at the posted speed limit regardless of conditions
- Reduce speed only when other vessels are within 100 yards
- Adjust speed based on visibility, traffic, maneuverability, and background light (Correct answer)
- Maintain maximum safe hull speed at all times
Correct answer: Adjust speed based on visibility, traffic, maneuverability, and background light
Rule 6 requires operators to consider all relevant factors — not just a posted limit — when determining a safe speed for current conditions.
Question 54: In most US states, a boater education card is permanently valid once earned. What is the main exception to this rule?
- Cards expire every 5 years and must be renewed
- Some states issue temporary cards valid only for one season (Correct answer)
- Cards earned before age 18 must be retaken as an adult
- Cards issued in foreign countries are never valid in the US
Correct answer: Some states issue temporary cards valid only for one season
Some states issue temporary boater education cards that are only valid for a single boating season while waiting for the permanent card to arrive.
Question 55: What is the legal minimum age for operating a personal watercraft (PWC) in most US states?
- 18 years old without exception
- 10 years old with adult supervision
- 14 to 16 years old, depending on the state (Correct answer)
- 12 years old in all states
Correct answer: 14 to 16 years old, depending on the state
Most US states require PWC operators to be 14–16 years old and to have completed a boating safety course.
Question 56: Before allowing passengers to board, a boat operator should ensure which condition is met?
- All passengers have signed a liability waiver
- The engine is already running at full throttle
- The radio is tuned to a weather channel
- The boat is stable and securely tied to the dock (Correct answer)
Correct answer: The boat is stable and securely tied to the dock
The boat must be stable and properly secured before passengers step aboard to prevent falls or capsizing during boarding.
Question 57: What signal should a power-driven vessel sound when leaving a dock with vessels nearby?
- No signal is required by the rules
- Three short blasts
- One prolonged blast (Correct answer)
- One prolonged and one short blast
Correct answer: One prolonged blast
One prolonged blast is a warning signal that alerts nearby vessels when leaving a berth or dock.
Question 58: Which type of current hazard is most dangerous because it is invisible from the surface and can trap swimmers near a boat?
- Longshore current
- Hydraulic current near a dam (Correct answer)
- Rip current
- Tidal current
Correct answer: Hydraulic current near a dam
Hydraulic currents below low-head dams recirculate continuously, trapping people underwater in a deadly cycle called a 'drowning machine.'
Question 59: At what times of day is towing a water skier generally prohibited under US boating regulations?
- Towing is prohibited only in fog, not at night
- Towing is unrestricted at any time if running lights are used
- Only from midnight to 4 AM
- From one hour after sunset to one hour before sunrise (Correct answer)
Correct answer: From one hour after sunset to one hour before sunrise
Most states prohibit towing water skiers during low-light periods — typically one hour after sunset until one hour before sunrise.
Question 60: What information must be included in a float plan left with a responsible person before departure?
- The vessel's insurance policy number
- Only the destination and expected return time
- Just the captain's cell phone number
- Vessel description, trip itinerary, crew list, and emergency contacts (Correct answer)
Correct answer: Vessel description, trip itinerary, crew list, and emergency contacts
A complete float plan includes vessel description, color, registration numbers, trip itinerary, number of persons aboard, and emergency contact information.
Online Boating Safety (OBS) Certification Exam
The Online Boating Safety Certification exam tests knowledge of safe boating practices including navigation rules, boat operation, safety equipment, and water sports regulations. It is required in most U.S. states for operators to legally operate a motorized vessel.
Exam Rules
- You can skip questions and return to them later
- Flag questions for review before submitting
- No feedback shown until you submit the entire exam
- Unanswered questions count as wrong — answer everything
- 10 pretest questions are mixed in and don't affect your score
- Timer auto-submits when time runs out
- Your progress is auto-saved every 30 seconds