Questions and Answers
The jet stream can cause serious internal injuries, permanent disability, or death. The jet of water that comes out the steering nozzle is extremely dangerous and can force water into a person's body cavities, causing ___.
serious internal injuries, permanent disability, or death.
What should you connect to the operator's wrist or personal flotation device (PFD) to avoid jet stream injuries?
engine cut-off switch lanyard
What is recommended to avoid jet stream injuries?
If you see a propeller strike accident, there is nothing you can do to prevent it.
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Which of the following practices can help prevent propeller injuries?
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What should be observed when approaching congested areas and anchorages?
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A ___ does more than keep you afloat; it can help a boater spot you more easily.
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Which category of devices includes 'guards' that provide a barrier around the propeller?
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What phenomenon causes the boat to swerve sharply to the right when operators let go of the steering wheel?
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Wireless sensors can shut off the boat's engine if the wearer falls overboard.
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Study Notes
Jet Stream Injuries
- Jet streams from personal watercraft (PWC) can cause serious internal injuries, permanent disabilities, or death by forcing water into the body's cavities.
- To prevent jet stream injuries, operators must connect the engine cut-off switch lanyard to their wrist or personal flotation device (PFD) to shut off the engine if they fall in the water.
- Wearing wetsuits or protective clothing is recommended for operators and passengers to minimize the risk of injury from the jet stream.
Propeller Injuries
- Propeller strike accidents are among the most gruesome boating incidents, posing risks to swimmers, divers, and individuals who have fallen overboard.
- The primary causes of propeller strikes include operator inexperience, negligence, and intoxication; many can be avoided by adhering to safety practices.
- Operators should turn off the engine while passengers are boarding or disembarking to prevent injuries when they are in vulnerable positions.
Preventative Measures for Propeller Strikes
- Avoid accidentally throwing passengers overboard by ensuring all individuals are safely seated before departure.
- Maintain a proper lookout for individuals in the water by slowing down in congested areas and being alert to swimmers and divers.
- Familiarity with warning buoys and flags indicating diver presence is crucial for safe navigation.
Personal Flotation Devices (PFDs)
- A PFD not only keeps individuals afloat but also enhances visibility to assist boaters in spotting them in the water.
Technologies to Reduce Propeller Strikes
- New technologies aimed at reducing propeller-related accidents include:
- Guards: Devices creating barriers around the propeller, such as deflection devices and ring guards.
- Propulsion Systems: Alternatives to traditional propellers, including jet drives and pump jets.
- Interlocks: Automatic systems that turn off the engine or trigger alarms when specific conditions are met, such as using a ladder.
- Sensors: Wireless devices worn by boaters that disable the boat's engine or trigger alarms if the wearer falls overboard.
Steering Torque Hazards
- Serious injuries and fatalities can occur due to steering torque when operators let go of the steering wheel or handle while the boat is in motion.
- This phenomenon causes the boat to swerve sharply, leading to potential strikes from the propeller as the boat circles back to the victim, creating a situation known as the "circle of death."
- To prevent accidents, operators should keep a firm grip on the steering until the boat has completely stopped and utilize automatic shut-off lanyards if available.
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Description
Explore crucial concepts regarding jet stream and propeller injuries in personal watercrafts through this flashcard quiz. Learn about the serious risks associated with these elements on the water, including prevention measures. Perfect for boating safety education.
