Just a few real world (personally tried) comments on this topic. Not 10 out of 10 day type scenarios, but... food
And if someone want's my resume, to back up these statements, I'm happy to add it. Although lengthy, it provides extensive, professional, topic targeted training, & training development, and qualifications on said topics well beyond reproach.
- Who amongst you has tried staying afloat fully clothed? Let alone getting dressed while treading water?
It's far from a simple matter, & induces panic in a very high percentage of people. Even amongst a body of men
known for keeping their cool, & who have a lot of time and training in the water; clothed & in swim suits.
This is in a swimming pool, not anywhere cold, or with hostile seas. Like the ocean. Plus, during the entire exercise, you know that rescue
or the option to quit, is right there at your convenience.
- As a training/qualification op (as a mini pre-flight school
exercise) we were supposed to stay afloat for an hour (in a pool mind you) wearing a flight suit (jump suit/coveralls), boots, & a helmet.
In the water said garments weigh nothing, the boots, perhaps a pound, & the helmets have several pounds of floatation. Which we were encouraged to use by sitting on them.
I saw guys, who normally were as cool as cucumbers, panic & bail within the first 5 minutes or less (many requiring rescue). Even though when they did so, they had no trouble swimming 10-15yds to the pool's edge, & climbing out unassisted. Something totally lost
on them later.
And my buddy next to me, known by Everyone, as the "Iceman", folded after half an hour, despite my telling him what to do & encouraging him the entire time.
Not to boast, but I thought little of the exercise, except that it showed me how much being in the water, outside of one's comfort zone - in clothes, boots, & helmet, could easily freak people out. And yeah, I finished the exercise, one of about 20% of us, san drama or much loss of energy.
- Who's spent much time rowing a dinghy or RIB
in 50+ winds & seas, many of them breaking?
I can say firsthand, that it's fun for Few, & actually possible for far, far less.
- Also, think about trying to swim, while wearing 3 layers of clothes, plus foulies & boots under such circumstances. Where conditions make each breath an exercise resulting in taking in 50% water @ the best of times, & green water at least 1/3 - 1/2 of the time.
If you have a RIB
(assuming that it's on davits), how do you intend to launch & retain it in heavy seas? And I'm only talking F7 - F8, not the truly nasty stuff.
I can guarantee that even in daylight conditions, far too often, it will likely get swamped & torn away by boarding seas. Seas of the type which board, & swamp the primary vessel, not just the RIB in it's davits.
Remember, that at this point it's likely that the primary vessel now has little to no way on, nor steerage. And thus is laying a hull/at the whim of the seas.
Also, few davits structure on recreational vessels, as well as what they're bolted to, can handle the loads associated with a RIB filling with water. As well as being subjected to multiple G's, from both it & the mother vessel being slammed around by heavy & or boarding seas.
Not factoring in the possibility of the engine being bolted onto it's transom, & thus adding to these loads.
PS: You can forget about setting up, or starting the OB under such conditions, typically. Even when stowed on the dink's transom.
Basically, think of a multi-ton tether ball (temporarily) hanging from/attached to your transom while being slammed around by Neptune.I
If my veracity's in doubt, do the math. What does your dink weigh when swamped, if how many cubic feet are multiplied by 64lbs/cuft?
Even if you get said tender
launched, retaining control of it will be more than a handful, literally.
As even when empty (dry) in those kinds of conditions, loads on the painter will be shock loads. Which at times will be several hundred pounds (or Far more), & thus not handle able, free handed. And difficult to deal with at best, even with the aid of a cleat.
Keep in mind as well, that neither vessel will have any way on nor steerage. AKA be lying a hull
. And thus, geometrically less controllable due to being beam on to seas, & not necessarily in the same; roll period, sea, or reaction to the afore mentioned.
Which causes abysmal handling conditions/working platforms in both vessels at best.
The above comments about the line assume that it, or that to which it's attached doesn't give way (something all too commonly noted in more realistically based, Safety
At Sea demonstrations, & real world life raft use survival reports). Thanks to the half ton/multi-ton, loads of water routinely entering it. And monster waves having their waves with both the mother vessel, & tender
(both righted & inverted mind you).
Which puts the loads on the painter/lines holding it, into the multi ton range, in such sea states when she's full of water, & moving with a period different than that of the mother vessel. Unless both the mother ship, & tender are handled by experienced, cool headed, handlers. And even then, the loads ain't small (SIC).
So, with 2+ lines on a RIB, & trained crew to control it, without purpose built(in) reinforcing points for the lines, a lot of said attachment points will rapidly be torn away. And with such seas running, on top of semi-swamped tenders etc., it's easy to also part painters, or rip out deck cleats
& the like.
Ever consider trying to do this; in the dark, while hypothermic, exhausted, unable to hear due to winds & seas, plus with a few cracked ribs thanks to being slammed around due to sea conditions?
Launching a 2nd vessel from the deck
of a mother ship is a good bit "easier", & more controllable (all but for the having it self invert thing). For another 3 paragraphs worth of reasons.
Now, assuming that the tender was successfully launched, & everyone got aboard. Try & stay attached to it as it's flipped every 2 minutes (assuming that you can right it), and; stay warm, communicate, signal for help... Let alone, haul aboard & treat the injured, keep your supplies aboard/attached & accounted for just as you would an immobile, unconscious crew member
Plus deal with the repeated mayhem created by said vessel flipping, as well as the injuries created & exacerbated by such.
BTW, the above is but a partial list of the SNAFU's which one can encounter when abandoning a vessel. And assumes nothing catastrophic, such as holes in the RIB, or severely injured crew, etc.