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1 hellosnackbar  Sat, Jan 19, 2013 7:25:51pm

It can’t be true that the US navy depends on just one GPS navigation system.
An error of eight miles is vast(should be about 1metre)
It should be mandatory that there be a cross check even if it’s done by a sextant ,clock,tables,and charts.
A cross reference with depth sounding should also be under observation.
Navigational blunders today are almost a product of amateur carelessness.

2 Bob Dillon  Sat, Jan 19, 2013 8:23:52pm

re: #1 hellosnackbar

Having served on Minesweepers back in the 60’s and as a Navigation Technician in the Asian oil patch during the 70’s, utilizing SatNav (GPS), doppler sonar, LORAN. SHORAN, etc., to move with precision over land and sea, I offer this: The GPS was not in error. The digital charts were. The officer of the deck’s career is over as well as the Captian. The guys in CIC (Combat Information Center) who were on watch face possible court-martial as well as the lookouts and bridge personell. The ships position and track is plotted in real time in CIC utilizing Radar primarily and other resources as waranted.

3 John Vreeland  Sat, Jan 19, 2013 8:59:53pm

And in my day we had a petty officer on the bridge plotting the ship’s position on a paper chart. If they were doing that they could not have screwed it up. They used to prepare the chart by marking the course they were expected to take and those points they were expecting to use to take sight bearings. Perhaps GPS has replaced a lot of this but I am amazed that they were not using a paper chart. All they would need is to have someone marking the GPS points on it. And since you still need lookouts you might as well take sight bearings and use them if only for practice.

Oh yes, one skipper was just relieved of command. And the Officer-of-the-Deck’s career is over as well. And there may be criminal charges, I concur.

4 Kruk  Sun, Jan 20, 2013 12:04:12am

The US Navy shouldn’t have switched over from Google Maps when they upgraded the OS…

*Ducks*

5 Aligarr  Sun, Jan 20, 2013 6:09:13am

having been an able seaman on Merchantmen making several voyages through that area WITHOUT the aid of GPS , SONAR and Loran just coming up , PAPER CHARTS did the job ,along with sight bearings . Even at anchor sight bearings are required several times on every watch as the ship can drag chain and swing on the chain with the tides . There is no excuse for this except human error , and yes this will be a career ender for the Captain. Lookouts cannot detect reefes when there are no breakers


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