[QUOTE=ombugge;177057]If I don’t raise questions about things I don’t know how am I going to learn the facts??
But I still have some questions on the use of ATBs and why it is widely used in the US but hardly by anybody else?
If it was such a great idea, why doesn’t all those greedy shipowners with vessel under FoC flag do the same??
I can see the advantage if serving a short sea route, where one tug had three barges, one at each end handling cargo and one with the tug, but I get the impression that most ATBs are “married for life”??
I can see that by classifying the “cargo section” as a barge and the “propulsion unit” as a tug you can get around a lot of rules that applies to a ship with the same capacity. Especially manning requirements with the USCG tonnage measurement system(GRT)and special licensing rules for tugs.
If this was a ship of similar size as the combined tug/barge and on an international voyage there would be no question, SOLAS and STCW’10 should apply fully and according to the vessel size, regardless of flag.
One major difference is that a barge does not have to have LSA as long as there are no personnel on board while under way.
Likewise the tug does not require lifeboat(s),as it would likely be exempt by flag state due to size and impracticability.
As stated somewhere here earlier, if the tug is under 200 GRT it does not even require to carry certified Engineers and the licensing requirements for Master and deck officers are different from STCW requirements for a tug relative to a vessel of the same size.
Yet you tell me that ATBs are operated by fully STCW qualified personnel, which I assume is more expensive?
Does this apply on all voyages, or only when on an international voyage?
Again, please advise if and where I’m wrong. Please also understand that I’m not criticizing anybody, but would like to understand the rationale behind this “phenomena”, in international terms at least.[/QUOTE]
ATBs are simply rule beaters.
The only reason for the existence of ATBs is to evade USCG rules that require flag state inspection, more equipment, and much larger crews, including unlimited licenses.
ATBs do not make sense in other flag states, because in every other 1st world flag state, and many third world flag states, tugs are inspected vessels. Tug mariner’s in other countries often have unlimited licenses anyway.
The licensing systems in most other countries allow mariner’s to get credit for their seatime for an unlimited license by serving only on tugs. It’s just a matter of taking some further training courses and a tougher exam. In the US, it’s almost impossible for tugboat mariner’s to get unlimited licenses without sailing unlicensed on ships.
Other countries do not have culture of using tugs as extensively as the US. Counting Inland tugs, the US probably has more tugs than all the rest of the world combined.
I have noticed a lot of small ships making relatively small deliveries in foreign countries. They use small ships and self propelled barges the way we use trucks. There are only a handful of small ships trading in the US.
Seaspan in Canada (which is US owned) has a few ATBs. They call them “pusher tugs.” The only ones I have seen carry RORO trailers between Vancouver and Vancouver Island.
The Canadian tugboat guys that I speak with usually have unlimited licenses, the tugs are inspected, and they earn very good pay. They guys on the very small tugs typically do not have unlimited licenses.
ATBs were created solely to exploit loopholes in the USCG regulatory scheme.