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"Boiler Room" Of C-5 Galaxy  
User currently offlineMjsmigel From United States of America, joined Oct 2002, 56 posts, RR: 0
Posted (13 years 3 weeks 4 days 8 hours ago) and read 4970 times:

Can anyone comment about the "boiler room" of the C-5 Galaxy? What is it like in there? Can you really crawl down into the wing or is this an urban legend? (I thought the wing contained FUEL TANKS.) Does anyone ever go into there inflight, or is it unpressurized?

For those who don't know what I'm talking about, this is ABOVE the cargo bay, and separates the forward crew area from the rear troop compartment. As far as I can tell, the "room" is about 10 or 20 feet long and houses the wingbox. I have the 1TO-C5A but it doesn't say anything about this except that there's smoke detectors in there, and there's only a crude diagram of what's inside.

Unfortunately I had a chance to see it once about 20 years ago, but the maintenance guy could not get the door open! I had the impression nobody goes in there very much.

Anyway, it sounds like a great place to pack an extra 10 or 20 rugged soldiers.  Smile


7 replies: All unread, jump to last
User currently offlineJohnM From United States of America, joined Feb 2001, 366 posts, RR: 0
Reply 1, posted (13 years 3 weeks 3 days 22 hours ago) and read 4788 times:

The boiler room's real name is the environmental compartment. It contains a lot of parts. The A/C turbines, water separators, ducts, valves and most of the parts for the control and distribution of heat and A/C for the aircraft. The forward part of the boiler room is easy to walk in and not that crowded. As you go aft, more ducting gets in the way, but it can easily be navigated. The forward side of the wing box can be seen, but the insides of the wing can not be accessed. Yes each wing contains mostly fuel ( 6 tanks per wing). The wiring, ducts, torque tubes for flaps/slats, hyd lines, nitrogen lines, travel down the leading edge or trailing edge. That area can be crawled through, but it sucks big time. Finding a broken wire or that sort of thing would be the reason for that type of torture. It is VERY loud in the boiler room with the A/C turbines running. Also about 115 deg in the summer. One can put your back against a water separator to TRY to cool off in the summer, but they tend to break loose when they freeze, and that would be a bad thing. And it is pressurized, so it can be inspected in flt if needed. Electro/environmental troops spend many hours there doing their thing. NOT a nice place to spend for a flight.

User currently offlineMjsmigel From United States of America, joined Oct 2002, 56 posts, RR: 0
Reply 2, posted (13 years 3 weeks 3 days 21 hours ago) and read 4771 times:

You mentioned insides of the wing cannot be accessed, but then you said leading/trailing edge of the wing can be crawled through. How do you get inside the edges of the wing, then?

Very interesting writeup, thanks!


User currently offlineHamfist From United States of America, joined Jan 2002, 614 posts, RR: 3
Reply 3, posted (13 years 3 weeks 3 days 2 hours ago) and read 4724 times:

I recall that room from my ROTC days. Spent a few weeks at Dover doing a shadow program and had the opportunity to spend a few days on a Dover-Ramstein-Mildenhall-Offutt-Dover flight. The crew put myself and the few other cadets on the crew list rather than the Space-A passenger list so we were able to ride up in the crew area for each flight. There's a handful of seats just forward of the door to this room where we spent most of our time. Shortly after we departed from Mildenhall, we heard a loud bang and one of the crew members told us he thought we had been hit by lightning. Not sure if that was true, but one of the crew spent several minutes in that room just after the loud noise. I never saw the inside of the room.

User currently offlineJohnM From United States of America, joined Feb 2001, 366 posts, RR: 0
Reply 4, posted (13 years 3 weeks 3 days 1 hour ago) and read 4717 times:

To get into the leading edge, there is a series of oval panels that run the length of the wing. Maybe 10 or 12 per wing. Each panel will get you maybe 10 feet or so, until you run into a "road block", such as an engine pylon, or a part of the slat structure. Then you must pull a different panel and start on the other side of the obstruction. The hard part is writing up all the panels pulled, hanging danger tags, getting a confined space permit, and red tape like that. The trailing edge is much easier, put the flaps down to at least 40%, and the area is mostly open at that point. Of course flap or slat operation while doing this work would once again be a bad thing. Thank you for your interest in the lovely C-5!

User currently offlineB747 From United States of America, joined May 1999, 245 posts, RR: 2
Reply 5, posted (13 years 2 weeks 4 days 17 hours ago) and read 4555 times:

Confined space permit? is this some new thing that makes life even more misearable? I am scheduled to leave recruiting soon, and may very well find myself back on FRED.

At Pope, where not happy, until you're not happy!
User currently offlineJohnM From United States of America, joined Feb 2001, 366 posts, RR: 0
Reply 6, posted (13 years 2 weeks 4 days 4 hours ago) and read 4541 times:

B747/ Brian
Oh yea, that is the new thing. OHSA got in our business and we now follow the guidelines like a worker going into a below grade sewer vault or something like that. You need 1) a O2 and LEL combination sniffer 2) an entrant and attendant 3) a means of communications with command post 4) initial O2 and LEL readings 5) a completed confined space sheet (must go into the building to get one of those) 6) updated readings during the work 7) put all the BS on the sheet and turn into our squadron admin 8) and be sure everything is signed and kosher. Even if you want to take off a panel in a "confined space permit area"and reach in to take off a cannon plug, this entire waste of time must be done. Plus get the stand, write up the FSS deactivation, write up danger tags, write up slat rig pins, pull the panel, and then you can do what you need to do. I think each base did their own thing with this, and if true, I'm sure we took this to new levels of BS. And the crew looks amazed when I give them a 2 hour ETIC to connect a fuel quanity tester to a tank for example. We all hate this big time! In the good old days, the AF would have told OSHA to pack sand. I guess this is progress!

User currently offlineB747 From United States of America, joined May 1999, 245 posts, RR: 2
Reply 7, posted (13 years 2 weeks 4 days ago) and read 4542 times:

Makes me real excited to come back and do my thing. I wonder how assinine things will get before we have rediculouse ETICS for simple jobs that should'nt take more than a few minutes to complete. I remember many a time when a slat indication would not be satisfactory on the dash -1, or better on engine start, and we would go to trouble shooting, and fix it with-in a matter of minutes, now with all this BS, the crew would expire while we did this, or tail swap, no wonder the FMC rate is pathetic with these henderances in our way, and no doubt QA is on the prowl to burn you.

Thanks for the input JohnM.

At Pope, where not happy, until you're not happy!
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