how far must a boat be from a diver down flag
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All About Dive Flags When diving from a boat, a dive team need not carry its own dive flag provided that it stays within a predefined proximity of the dive boat. When shore diving at sites where watercraft traffic is a possibility, divers should float their own dive flag on the surface, and stay within a few hundred feet of the flag.
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What Flag Is Black With a Horizontal Blue Stripe? Flags of different colors and designs are often used to communicate when out on the open sea. A white flag with a red diamond in the middle signals that the boat or ship is disabled and needs help. A blue flag with a white stripe down the middle signals that the boat is carrying dangerous cargo and is on fire. A boat or ship with a yellow flag that has a blue stripe down the middle is having difficulty steering. A flag made up of a red triangle and a yellow triangle signals that there is a man overboard.
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- Three-way rigs cover the water quickly when active walleyes spread across flats, but they also excel with slow presentations more subtle to neutral fish. The basic rig features a three-way swivel with two attached lines a 12 to 24 inch drop line with a 1 to 3 ounce bell sinker and a 30 to 40 inch leader tied to your bait or lure. The drop line positions your offering a set distance above the bottom, while the leader provides an invisible connection between the swivel and lure.
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USCG Rules of the Road: Master's License CRV Crew Training Manual 68 January 2010. Lights. • Two masthead lights in a vertical line. • When the length of tow exceeds 200 metres (measured from the stern of the towing. vessel to the after end of the tow) 3 masthead lights in a vertical line must be carried. • Side lights. • Stern light. • A towing light (yellow) in a vertical line above the stern light.
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Locking Through All boats entering locks should have at least 50 feet of rope or line that can be used to moor the boat to floating mooring bits (posts) on the lock chamber wall, which move as the water levels in the lock fluctuate. Also, make sure to use fenders to avoid damage from scraping the lock wall or another boat.
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Navigation Light Requirements Color: White. Arc: Shows a solid light over 360 ° (all around the boat). Position: Clearly visible from all directions. Note: The all-around light functions as a combined masthead and sternlight–this light must be visible in all directions and must be at least 1 m higher than the sidelights.
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Navigation Lights. If over 50 meters / 164 ft length, then a second masthead light aft and higher than the forward one must also be carried. On vessels between 12 and 20 metres / 39 and 66 ft in length, the a masthead light, should be visible for 3 miles. Sidelights and stern light should be visible over 2 miles. For vessels of 50 meters / 164 ft the masthead light should be visible 6 nautical miles away and the sidelights and stern-light visible 3 miles away.
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Types of boats that require navigation lights Navigation lights. Navigation lights for a powerboat operating at night (less than 12 meters (39,4) in lenght) According to the Collision regulations, an operator of a power driven vessel of less than 12 metres in length, and underway, may display, from sunset to sunrise: sidelights (red – green) and. all-round light (white).
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Amateur Astronomer's Notebook Let's assume that the stripes on the flag are 1.5 inches wide and we want to just be able to see them. Using the same method as above we can come up with an answer. In this case we need to be able to see something that is 1.5/12/5280 miles wide, or 2.367e-5 miles.
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Diver Down Flags As SCUBA divers, we often share the local lakes with boaters, jet skiers, and swimmers. To let others know where we are, and to warn watercraft and skiers to stay away, we anchor or tow a dive float and flag. The appropriate flag for inland waters would be a rectangular red flag with a white diagonal stripe.
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Pennsylvania Jack Their eyes are 100 feet above the water. Using the formula above, the horizon appears to be 12.3 miles away. Square Root of 100 = 10 10 x 1.23 miles = 12.3 miles. Conversely, a lighthouse light 100 feet above the water would be visible from 12.3 miles out to sea by a viewer at water level. But unless the viewer is in a very small boat they are up above water level, and the higher above water level the observer is, the farther away he would be able to see a light.
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- Joe’s Dive Flag Tips: Know the laws in the area you’re diving and follow them. Dive flag laws clearly state when you must fly the flag, how close you must stay to it, and how far boaters must stay away. Don’t make the mistake of assuming boaters will follow the law. A lot of boaters don’t recognize dive flags.
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- So that would put you at about 360 feet. BUT if you anchor in gnarly nasty water you might want to adjust the scope to 10 foot of line for each foot of water.Put as much anchor line as you can fit in the box is the best advice.o that would put you at about 360 feet. BUT if you anchor in gnarly nasty water you might want to adjust the scope to 10 foot of line for each foot of water.
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- ​. 1. Read the signs and know which flags mean it is safe to swim in the sea. ​. ​. 2. Steer clear of the currents; these are areas of fast moving water which are hard to spot. They can be very powerful and drag you out to sea so only swim between the red and yellow flags.
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- 1 Approach slowly from down wind or down current, so that the floating yellow pick-up line is closest to you. 2  Keep the buoy on the same side as the helm station so you can see it as you approach. 3  Safely retrieve the yellow pick-up line with a boat hook. 4  Put your vessel in neutral to avoid entanglement.
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- Personalize this life ring with the name of your boat, retreat, family, or any catchy phrase up to 32 characters (8 characters in each quarter of the ring). Choose red, blue, or black lettering. USCG approved throwable device. 24 diameter. White buoy.
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Safety Requirements for Vessels You must have at least one, U.S. Coast Guard approved, wearable PFD for each person onboard, and it must be the appropriate size. If your boat is 16 feet or longer (generally excluding canoes and kayaks but check your state's regulations) you must also have one throwable device (Type IV PFD).
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Commercial Diving;And How Deep is Deep? For the recreational diver on air, that limit is 130 feet. For the helmet air supplied commercial diver, it is probably 200 feet. For the mixed gas helmet diver, it is probably 300 feet with a bell-bounce diver going to 600 feet for short durations. For the mixed gas saturation diver, perhaps 2,000 feet.
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How Deep Can I Dive? The shallower you are, the more bottom time you'll have and the less you'll have to worry about-a more pleasant experience for all. Keep in mind the mission of your dive when you plan it. There's a lot of things to see at depths less than 40m (130ft). It maybe be necessary though, if a diver is specifically doing a recovery dive or viewing a wreck that they just didn't damn sink at a sensible depth to go deeper.
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- Boats under power under 40' can substitute a single all-round light for separate stern and masthead lights. Boats under 65'7 can substitute a single bi-color light for sidelights. Sail boats under sail under 65'7 can substitute a tri-color light for separate sidelights and stern light. See our Anchor Ball.
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Dive Flag Regulations and Requirements Required features. 1  Your dive flag must be either the red-and-white flag, the blue-and-white Alpha flag, or both as required by local regulations. 2  The staff needs to hold the flag high enough so boaters can see it, even with waves and chop present.
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- The vang helps keep the boom down and tighten. the back (leech) of the sail. Bow The forward part of a boat, the pointy end. Bow Line Also known as a painter. The bow line is used to tie the boat to the dock or to a tow line. Minimum 10. foot bowline is required equipment. Best if at least ¼” in diameter. Broad Reach Sailing with the wind coming over the rear corner of the boat (quarter), or with the bow approximately. 120-160 degrees from the source (eye) of the wind.
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Pennsylvania Jack Their eyes are 100 feet above the water. Using the formula above, the horizon appears to be 12.3 miles away. Square Root of 100 = 10 10 x 1.23 miles = 12.3 miles. Conversely, a lighthouse light 100 feet above the water would be visible from 12.3 miles out to sea by a viewer at water level.
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- UP AND AWAY-A U.S. Coast Guard Air Station Sitka rescue swimmer is pulled aboard a Jayhawk helicopter Sunday near the O’Connell Bridge during the annual sea rescue demonstration Sunday. Scores of Sitkans braved the wind and rain to watch the operation. (Sentinel Photo by James Poulson).
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Can I Dive Without Scuba Certification? If you are an Open Water Diver (from PADI or SSI, let’s say), it means that you can dive up to 18 meters. When you are on a dive boat and show your scuba certification, they, as diving professionals, know what training you got and your limits.In SSI certifications, your dive number is written.f you are an Open Water Diver (from PADI or SSI, let’s say), it means that you can dive up to 18 meters. When you are on a dive boat and show your scuba certification, they, as diving professionals, know what training you got and your limits.
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- 1 Number must read from left to right on both sides of the boat. 2  Number must be in bold, BLOCK letters, at least 3-inches high. 3  Number’s color must contrast with its background. 4  Letters must be separated from the numbers by a 3 to 4 inch space or a hyphen.