Napa Diver for the skinny on your trip. My feelings are like yours, that in most widely disparate tales, the truth lies somewhere in between....
As for the boat's setup, Dan told me he looked at Gary Rinn's boats in Texas when he came over to pickup his vessel. Gary's boats have now been sold to another group, but Gary ran a first rate operation, a tradition I hope will continue.
Gary's boats, the MV Fling and the MV Spree, which run out of Freeport and go to the Flower Gardens and Stetson Bank, mostly, are even less "luxurious" than the Iron Eagle.
With bunkhouse sleeping arrangements for the most part, there is no hot tub, kayaks or other water toys and no true "staterooms" (although a couple of true private doubles are available, all bunks are "first come, first serve" and none are reserved. This is mainly to encourage folks to show up on time, I think.)
While not providing luxury or "pampered diving", what these boats do provide is wonderful, if somewhat advanced diving, and a chance to see critters that most folks think they can only see off Malpelo or Costa Rica. Both boats do have pretty good "diving" setups to make up for the lack of cushy amenities.
Maybe Iron Eagle could adopt some of their methods, if there is room and he can work it in......
Here is the physical setup:
1) All bunks are belowdecks, except those for the crew. Dining is in the galley area (these are crew boats like Iron Eagle. One is 97', I think, the other only slightly smaller.) There is room for about half the folks to eat inside, but I usually eat outside by my gear or up on the sundeck, which has picnic tables and cheap plastic patio furniture. If it rains, we just crowd inside or on the main deck by the gear.
2) Each diver provides one (1) full tank, either Air or Nitrox, for the trip. Filled tanks can be provided for traveling divers by the sponsoring dive shops or clubs at the boat for an extra charge.
3) Bench seating is alongside the outside railing and in the center of the deck. The boat takes 26-31 divers, plus crew. There is plenty of room, but all gear MUST be stowed below the benches in your gear bag or, better, in a tub. It does sometimes get messy under the benches, but the walking spaces are policed and kept clear. Most of the divers are these trips are experienced. Those that aren't are coached pretty well before the trip is over.
4)A camera table is setup midship, just forward of the center benches and just aft of the galley exit. I've been on "photo" trips with over 20 shooters and the multilevel camera table, which is covered in AstroTurf, worked just fine. I would go below to my bunk to change film or lenses, mainly to avoid getting my internals splashed, but the area was pretty safe for storage and adjustments. The boats have a "cameras only" freshwater dunk tank, sometimes two of them. No dive gear is allowed in the tanks.
5) All tanks are filled in place. You simple bungee your rig to the rail and remove the first stage after every dive. The compressor lines run along the bottom of the sundeck and can reach any tank on the railings. DM's fill the tanks and remount the first stages as a sign they were filled. Divers are responsible for checking their fills and those on Nitrox are provided a 02 monitor to check the mix. Although the DM's check everything, the divers are responsible for a final check BEFORE gearing up.
6) Many of the crew are volunteers who are trained by the paid crew, this includes the galley hands. In return, the volunteers recieve a share of the tips and the opportunity to make dives during slack times and during surface intervals. There is always plenty of crew, including 2 captains, a couple of mates, a couple of galley hands, and 4 to 6 DM's. Diveshops usually bring their own DM's, but only those trained on the boat do the pre-dive site work.
7) A boat DM enters the water first and secures a sideline to the mooring line at about 20-30'. He then does a visibility and current check. A long current line with a float is set aft. I think this line is several hundred feet long and stored on big deck reel. Two shorter lines with loops on the end are also set on the bottom rungs of the twin ladders, which run fairly deep (I can't remember, maybe 10' or so) . These are for divers to hang on while they remove their fins prior to ascending the long ladders after the dive. Three deep lines weighted with 50 or more pounds of lead are lowered for the safety stops. A surface supplied regulator is attached to the after stop line at about 20' and a camera line with a bolt clip is also lowered aft.
All dives are non-deco, but safety stops are encouraged if not required and the lines provide plent of room for everyone.
8) The chase boat is splashed using a davit crane and the engine is usually started before the first diver is in the water (however, I seen the engine flood when we really needed it, too.)
9) Divers do a side entry dropping the 6' or so to the water. All divers are required to give their bunk number on entry and their time in is noted on a big grease board by one of the shop or club DM's. After entry the divers must head immediately to the sideline (accept for the "camera folks" who come back for their cameras which are lowered to them on a line). A quick okay tap on the head they head hand over hand down the line. Free descents are discouraged because the variable currents and winds can move the boat around, making the mooring the only safe land(water?)mark, but I sometime do them if we're on a location that is familiar and the current is light (folks who "swim it" down and burn air on descent are wasting valuable bottom time).
10) At the end of the dive, the bunk number, max depth, bottom time and sometimes air remaining are noted. After all the divers are up, a DM goes around the boat with the bunk list and rechecks the names. He also asks "How are you feeling? Anything unusual?" If the answer is anything other than "Fine", an assessment is made and 02 is available.
Anyway, it sounds more regimented than it is, and i went into WAy too much detail, but the highlights are that the tanks are filled "on the spot", and that a DM goes in to assess conditions at every new location. If they is a doubt, the captain WILL cancel the dive and move (and it happened to me on the last "shark trip")
Anyway, Iron Eagle sounds like a good operation and one that I would try if I lived or traveled in the area. With a little tweaking, it sounds like it might be a great operation.
Thanks for the heads up!