
Missouri state law requires that operators of a motorboat on the waters of the Mississippi River, the Missouri River, or Missouri lakes between the hours of 11:00 a.m. and sunset must display a red or orange skier-down flag whenever a person enters the water. This flag is also used if you are swimming and your boat is not anchored. The flag must be at least 12 inches by 12 inches and is required in addition to the ski flag law, which covers seating requirements.
| Characteristics | Values |
|---|---|
| When to display | Between 11:00 a.m. and sunset |
| Where to display | Mississippi River, Missouri River, or Missouri lakes |
| Boat type | Motorboat (other than a PWC) |
| Flag colour | Red or orange |
| Flag size | Not less than 12 inches by 12 inches |
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What You'll Learn
- The skier-down flag is required on the Mississippi River, Missouri River, or Missouri lakes
- The flag must be displayed between 11:00 a.m. and sunset
- The flag must be red or orange and measure at least 12 inches by 12 inches
- The flag is used when someone enters the water from a motorboat
- The flag is not required if the boat is anchored

The skier-down flag is required on the Mississippi River, Missouri River, or Missouri lakes
Missouri state law requires that operators of a motorboat (other than a PWC) on the Mississippi River, the Missouri River, or Missouri lakes must clearly display a red or orange flag whenever a person enters the water. This is known as the skier-down flag and is required between the hours of 11:00 a.m. and sunset. The flag must measure at least 12 inches by 12 inches. The skier-down flag is also used if you are just swimming and your boat is not anchored. It is not needed if your boat is anchored.
The skier-down flag is required in several other states, including Arizona, California, Colorado, Idaho, Nebraska, New Mexico, Oregon, Texas, Utah, and Washington.
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The flag must be displayed between 11:00 a.m. and sunset
Missouri state law requires that operators of a motorboat (other than a PWC) on the waters of the Mississippi River, the Missouri River, or Missouri lakes must clearly display a red or orange flag whenever a person enters the water. This must be done between the hours of 11:00 a.m. and sunset. The flag must be at least 12 inches by 12 inches and is also known as a 'skier-down flag'. The flag is used to indicate that someone is in the water, either swimming or water skiing. It is important to note that vessel operators must not operate within 50 yards of a displayed skier-down flag.
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The flag must be red or orange and measure at least 12 inches by 12 inches
Missouri state law requires that operators of a motorboat (other than a PWC) on the waters of the Mississippi River, the Missouri River, or Missouri lakes between the hours of 11:00 a.m. and sunset must clearly display a red or orange flag whenever a person enters the water. The flag must be red or orange and measure at least 12 inches by 12 inches. The skier-down flag is also used if you are just swimming and your boat is not anchored, it is not needed if you are anchored. The flag is not required if you are on a vessel propelled by sail.
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The flag is used when someone enters the water from a motorboat
Missouri state law requires that operators of a motorboat (other than a PWC) on the waters of the Mississippi River, the Missouri River, or Missouri lakes between the hours of 11:00 a.m. and sunset must clearly display a red or orange flag whenever a person enters the water. This flag is known as a skier-down flag or a ski flag. It is also used if you are swimming and your boat is not anchored. The flag must measure at least 12 inches by 12 inches.
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The flag is not required if the boat is anchored
Missouri state law requires that operators of a motorboat (other than a PWC) on the waters of the Mississippi River, the Missouri River, or Missouri lakes between the hours of 11:00 a.m. and sunset must clearly display a red or orange flag whenever a person enters the water. This flag is known as a 'skier-down flag'. The flag must be at least 12 inches by 12 inches. The skier down flag is also used if you are just swimming and your boat is not anchored, but it is not needed if you are anchored.
It is important to note that the skier-down flag is not the only flag that may be required on a boat in Missouri. For example, the orange or red flag is also used to indicate that a boat is participating in towing sports. However, the skier-down flag is the only flag specifically required when a person enters the water from a boat.
The skier-down flag is an important safety measure, as it helps to prevent accidents and fatalities. Falls overboard are the most common type of fatality boating accident. By displaying the flag, boat operators can alert other vessels to the presence of a person in the water, reducing the risk of collision or other accidents.
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Frequently asked questions
The skier-down flag is a red or orange flag that must be displayed by operators of a motorboat (other than a PWC) on the waters of the Mississippi River, the Missouri River, or Missouri lakes between the hours of 11:00 a.m. and sunset whenever a person enters the water.
The skier-down flag must be displayed whenever a person leaves a watercraft and enters the water between the hours of 11:00 a.m. and sunset.
The skier-down flag should be placed on the watercraft so that it is clearly visible. Vessel operators must not operate within 50 yards of a displayed skier-down flag.
The skier-down flag must be a minimum of 12 inches by 12 inches.











































