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Kapitan · 09-09-06, 06:10 AM

I use charts print outs when navigating in dangerous waters under ice on my own, i can look at my print out and predict where a boomer might be alot easier than the on screen display cause i can use dry wipe to mark on the laminate.

But navigating using speed i always use the 6 min rule which is this.

Take a speed of something multiply by 200 and thats how far its gone in 6 mins.

My ship is doing 10 knots multiply by 200 gives me 2,000 yards so in 60 minuets i will have travelled 20,000 yards or 20 miles.

Thats in a straight line but if your searching for polyna it becomes a little more complicated.

09-09-06, 06:10 AM	#3
Kapitan Sub Test Pilot Join Date: Mar 2005 Location: UK + Canada Posts: 7,130 Downloads: 77 Uploads: 7	I use charts print outs when navigating in dangerous waters under ice on my own, i can look at my print out and predict where a boomer might be alot easier than the on screen display cause i can use dry wipe to mark on the laminate. But navigating using speed i always use the 6 min rule which is this. Take a speed of something multiply by 200 and thats how far its gone in 6 mins. My ship is doing 10 knots multiply by 200 gives me 2,000 yards so in 60 minuets i will have travelled 20,000 yards or 20 miles. Thats in a straight line but if your searching for polyna it becomes a little more complicated. __________________ DONT FORGET if you like a post to nominate it by using the blue diamond Find out about Museum Ships here: https://www.museumships.us/ Flickr for all my pictures: https://www.flickr.com/photos/131313936@N03/ Navy general board articles: https://www.navygeneralboard.com/author/aegis/