Old 08-25-2013, 14:08   #1
Toaster
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Water Navigation

I'm sure that there are people who do offshore fishing or spend time in large bodies of water that may benefit from this. I realized my lack of skill in maritime navigation very quickly. Does anyone have any pointers in navigating on the water, or just how not to get lost?

Had a great adventure this weekend, and figured someone could learn from it.

Went out jet skiing in a party of 14 with 1 pontoon boat and 2 jet skis on Lake Norman NC. This wonderful lake has 600 miles of shore line and is 18 miles long, you really do need to see a map to appreciate it...

Took one of the jet skis out with another fellow in our group, whom I had just met, away from the shoal where everyone was out just to take a cruise and see how fast they would go. Left the cove that we were in into the main part of the lake. Noting that there were power lines and taking a rough bearing with my compass, of a smoke stack that we could see when we got out. After gallivanting about we decide to head back and realize we are disoriented, taking his direction we ride away.

30 minutes later I realize we're hopelessly lost and he hasn't come to that conclusion yet. We stop and take inventory of what we had on hand, an Iphone that we did not have the password to and no map, stop at a random boat and find we're 5-6 miles away from where we started. While I am on this boat he answers a phone call on the phone for someone looking for the owner, and then hangs up... Which I find out about later. Let him drive and go 5-6 miles past where we wanted to go... Eventually stopping at a total of 6 random compassionate people, some of whom had gotten lost on this lake before.

Finally we make it back to our group and our safety is ensured. At this point I learn that he lost his glasses and couldn't really see, but somehow wouldn't mention that while we were lost. One thing that was done right was not getting into a fight on a jet ski in the middle of a lake when lost. I am also thankful that it did not turn into a survival situation.

Lessons I have learned,

1. My wrist compass has become demagnetized.
2. Ensure that you have a map/GPS in a waterproof container.
3. Ensure possession of a phone/radio in a waterproof case
4. Beware/be aware of your company
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Old 08-25-2013, 19:51   #2
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Only two suggestions in case comms go out and GPS isn't working:

1- Panic Azimuth or Catching Feature:

If I get totally lost, I'll travel [East, setting sun at my back] [West, towards setting sun]

... until I ...

[come to the bridge]
[see the lighthouse]
[see the landing lights at XXX airport]

2 - Rally Point: "If all else fails, I'll meet you at [5:00 pm] [sunset] at ...
[the bridge]
[the beach across from the lighthouse]
[the beach across from the landing lights at XXX airport].
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Old 08-25-2013, 20:19   #3
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Does anyone have any pointers in navigating on the water, or just how not to get lost?
Hmm. Always know where you've been and are now, before proceeding further into trouble.

Stop, turn off everything that makes noise and listen intently for human sounds or machinery (or surf). Sometimes that may take several minutes.

From your starting point, note the position of the sun (as noted above) or the moon (although less dependable) and able to find "Polaris" (North Star) if you are out after dusk.

Without a very good understanding of Over the Horizon navigation it's best to have a good GPS and a waypoint that shows how to return to start point.
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Old 08-25-2013, 20:40   #4
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When I got my first ocean boat, the closest thing to GPS was LORAN, which I couldn't afford. I used a chart, a compass, my speedometer and a watch to navigate out to 60 miles off-shore. I also had an RDF(Radio Direction Finder) in my radio. Always made it back.

Last edited by mark46th; 08-30-2013 at 08:23.
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Old 08-25-2013, 22:14   #5
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I also had an RDF(Radio Direction Finder) in my radio.
Yep. Carry an old analog transistor radio. Tune it to a known local AM station and turn it (the internal antenna) until you find the null (silent) direction. That points TO and FROM the transmitter. It's up to you to know "roughly" where you are in relation to that station so you can figure out which is which. If you still have no clue, at least you can listen to music and reports of your disappearance while you pray for help. Proper Pre-Planning Prevents Piss Poor Performance.

ETA: Use analog because, if the station is close or too powerful, you need to be able to de-tune it to find the null.

Pat
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Old 08-25-2013, 22:35   #6
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Can't help much with navigation on the water, but something that might have helped you in this situation is to know that you can make calls on an Iphone without knowing the password.

Iphone's allow you to use call features like a regular phone even if its locked you just can't see the phones contacts.
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Old 08-25-2013, 23:52   #7
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Time and speed is a good way to keep track of distance on water or an alternate method on land. When speed varies you can keep track ( similar to azimuth changes ) or average with practice. Bracket your navigation with landmarks and boundaries rather than pin point location ie. miss left or right, West or East, North or South, etc... That way you will know which way to head once you get to a boundary instead of having to guess which way to go ( if you are off your mark ). Know terrain before you operate in it (map or experienced knowledge). Elevation and contour is some times more effective than compass in dense terrain. Tips from Adventure Racing...
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Old 08-26-2013, 12:24   #8
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Good thing we don't have to use the old sextants any more. Kind of amazing how those guys did so much without our modern technology
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Old 08-29-2013, 10:28   #9
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Thank you



Thank you everyone for the input. Proper prior planning is what I will ensure that I do henceforth.

FNG13 - I am not sure you are correct on that. I could have called 911 or some other emergency call, but regular phone numbers I haven't been able to make. I could have called the police, but my ego prevented me from doing that.

Craigpo - Due to my ignorance, I am finding it difficult to fathom ye olde schoole celestial navigation.

There is a system on the lake, in the main channel, towards the shore every mile there is a number, red on one side and green on the other to help with people from getting lost.... Proper prior planning yet again.

I am thankful that it was a beautiful day giving me a sunburn, rather than a cold stormy one placing me in a survival situation.
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Old 08-29-2013, 17:59   #10
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You are correct only emergency numbers.
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Old 08-29-2013, 22:21   #11
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Thank you everyone for the input. Proper prior planning is what I will ensure that I do henceforth.

FNG13 - I am not sure you are correct on that. I could have called 911 or some other emergency call, but regular phone numbers I haven't been able to make. I could have called the police, but my ego prevented me from doing that.

Craigpo - Due to my ignorance, I am finding it difficult to fathom ye olde schoole celestial navigation.

There is a system on the lake, in the main channel, towards the shore every mile there is a number, red on one side and green on the other to help with people from getting lost.... Proper prior planning yet again.

I am thankful that it was a beautiful day giving me a sunburn, rather than a cold stormy one placing me in a survival situation.
I have to say that I've never navigated anything nearly that complicated! I'm used to open ocean, so I could use some tips on water nav too, it seems.

Pat
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Old 08-30-2013, 07:16   #12
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Kingfisher Maps

http://www.kfmaps.com/
These are the lake maps of That area I prefer. With lake levels changing throughout the season you can almost use them as contour maps. They are available at many bait shops near the lakes. They also helped support our adventure race for SOWF.
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