I'm late to this party also. I have read the entire thread however although I'll admit that my eyes glazed over a few times.
My overall observation is that some people confuse their own opinion with fact, and that increasing volume equates with truth. Accordingly when I offer my opinion I will attempt to label accordingly.
Quote:
Originally Posted by Dockhead
However, if you are equipped with an engine and it has broken down, then that is a classic NUC situation and you are justified in showing NUC.
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Agreed. A simplification of terms, in no way intended as a replacement for the proper definitions in the rules, is that RAM applies when everything is operating as it should be but maneuvering is difficult. An analogy is that someone morbidly obese is RAM. Even better, a young couple at a boat show--she in high heels--pushing a stroller with an infant and dragging along a dog is RAM. *sigh* NUC is for when something has failed or otherwise gone wrong. If the stroller in the previous analogy loses a
wheel they are NUC. *grin*
I have shown RAM a number of times over the years, mostly while towing deployed sensors or vehicles. In addition to the examples cited in the rules, an aircraft carrier in air operations, a
survey ship towing side scan sonar, or a
research vessel with an ROV deployed are RAM.
No analogy is perfect and mine doesn't really lead to a clear path for the OP with regard to a sailboat with sea anchor or drogue. On the one hand everything is functioning as intended but on the other the
weather has "failed." My personal tendency (opinion) would be RAM since everything is on purpose but I wouldn't be upset with someone showing NUC. In either event one is showing that not all is right with the world.
Quote:
Originally Posted by Dockhead
For example, it is extremely common for tankers which are drifting and waiting for a load to show NUC. This practice has gone on for years. If their engines are shut down intentionally and there is no mechanical fault, there is no justification for NUC status in this case, and there have been a lot of complaints about it, but the practice continues. The explanation given by shipping companies is that although it's not strictly by the book, it's a good practical solution which gives other vessels the correct information they need, to know how to deal with such vessels, so promoting safety in a practical, if not strictly legal way.
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I think it is also worth noting that times and systems change. It takes a long time to bring a steam ship on line from 'cold iron' while a
diesel can be started pretty quickly. On the other hand, I'm not sure I would consider letting a steam plant go cold while underway (see below) qualifies as good seamanship. When I sailed on the SS
New Jersey Sun it took hours to get steam up.
Quote:
Originally Posted by jmorrison146
When becalmed you are underway, but not making way, neither Not Under Command (NUC) or RAM.
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I had to pick someone to respond too - no offense. There is a whole lot of angst here when the definitions are really quite simple. A vessel is underway if not tied to a
dock, anchored, grounded, or otherwise moored. A vessel is making way if they significantly moving. The challenge to understanding appears to be that they are not mutually exclusive. A vessel making way is underway. A vessel underway may or may not be making way. All thumbs are fingers but not all fingers are thumbs. Reflect on grammar
school discussion of Venn diagrams and subsets.
Quote:
Originally Posted by CaptBobR
Sailboats are never “restricted in their ability to maneuver” you might be under way not making way but that’s not the same.
I once saw a sailor do a Morse code “D” on his sail which indicated maneuvering with difficulty but that is not RIAM
I strongly advise against trying to come up with interpretations on the Rules of the Road. I also advise learning both the International and Inland Rules.
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It took 154 posts to reach this important point, important to the discussion both because of where the OP is and because it goes to a common misuse of vocabulary. Americans, being what we are, often fiddle with international agreements. Accordingly we have our own version called the US Inland rules. They are substantially the same as the COLREGS with some differences, to wit the status "Constrained by Draft" is in the COLREGS but *not* in the Inland Rules. US NOAA
charts show a demarcation line inside which Inland Rules are in effect. What makes this more challenging is that most American boaters (power or sail) rant on about COLREGS when they should be talking about the Inland Rules. That they can't get this simple thing correct is sobering. The USCG even publishes
https://www.navcen.uscg.gov/pdf/navRules/navrules.pdf the rules that explicitly show the differences.
Americans! *grin* Does anyone else remember how long it took us to transition from black cans to green cans? We still can't get cardinal marks right. I digress.
The upshot for me is that whether running before a drogue or lying to a sea anchor the point is to communicate status to others to avoid a collision. In that respect RAM or NUC is a discrimination that makes little if any difference. Class B
AIS makes no discrimination - you are simply underway (see above). Class A AIS for those so outfit makes a discrimination but it is not clear to me that the watchstander on another vessel would act differently on the basis of that information in the OP scenario. There is no substitute for using the
VHF to cut to the chase.
Oh, a pet peeve. Please watch verb conjugation. You do NOT 'hove to.' You heave to. I will heave to. I am hove to. At the yacht club bar, you decided to heave to or you were hove to. Vocabulary and grammar are important. To use words incorrectly while dissecting the COLREGS and splitting the hairs on angels dancing on the
head of a pin does nothing for credibility. Jeepers.