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C-5: People Looking Out Of The Roof Hatch, Why?  
User currently offlineSabena332 From , joined Dec 1969, posts, RR:
Posted (10 years 1 month 3 weeks 1 day 3 hours ago) and read 6499 times:

Normaly I am not interested in military aviation, but today I was looking for some Lockheed Galaxy pictures on A.net. I noticed that a person is looking out of the roof hatch during taxi in many pictures:


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Photo © Carlos Aleman - SJU Aviation Photography
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Photo © D.Lausberg



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Photo © Vasco Garcia
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Photo © Derek Pedley - AirTeamImages



Is there any reason why they do that, is it for some reasons necessary? Or do these guys it just for fun and to get a nice overview?

Patrick


25 replies: All unread, showing first 25:
 
User currently offlineContact_tower From Norway, joined Sep 2001, 536 posts, RR: 1
Reply 1, posted (10 years 1 month 3 weeks 1 day 2 hours ago) and read 6421 times:

Helping the pilots with the taxiing I belive, to check wing clearence etc. After all it is a big SOB.....  Big thumbs up

User currently offlineDLKAPA From , joined Dec 1969, posts, RR:
Reply 2, posted (10 years 1 month 3 weeks 21 hours ago) and read 6308 times:

Go Right! NO WAIT LEFT, LEFT LEFT LEEEEEEEEFFFT!!!! (crunching noise of empty parked maintenance vehicle)


User currently offlineRefueler1974 From United States of America, joined Mar 2004, 235 posts, RR: 0
Reply 3, posted (10 years 1 month 3 weeks 11 hours ago) and read 6151 times:

DLKAPA - if there would have been somebody watching like that about a year ago, one wouldn't have run over a HALON extinguisher while taxiing out to the runway at AEX........I guess they forgot to go "up top" before moving....LOL.


The only time you have too much fuel is when you're on fire.
User currently offlineDuce50boom From , joined Dec 1969, posts, RR:
Reply 4, posted (10 years 1 month 2 weeks 6 days 16 hours ago) and read 6050 times:

It's an extra crewmember checking wingtip and landing gear clearances. On the KC-10 when we go to places with very tight taxiways like RAF Mildenhall and most other NATO airfields it's a HIGHLY encouraged technique to put a boomer in one or both of the two front doors (1L and 1R) as you can tell by this pic;


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Photo © Robert Flinzner



It's pretty tough to taxi a 200 foot long airplane when the nose gear is 20 feet behind the pilot and the mains are 100 feet (KC-10, I've got no clue about the C-5) so they take any information regarding clearances they can get. Hope this helped


User currently offlineSabena332 From , joined Dec 1969, posts, RR:
Reply 5, posted (10 years 1 month 2 weeks 6 days 12 hours ago) and read 6019 times:

Duce50boom,

thanks for the explanation!

Patrick


User currently offlineGalaxy5 From United States of America, joined Mar 2000, 2034 posts, RR: 24
Reply 6, posted (10 years 1 month 2 weeks 5 days 1 hour ago) and read 5819 times:

Its usually one of the two flight engineers, (called the Scanner) he is an extra set of eyes for the pilots to assure wing tip and tail growth clearances. Its a safety precaution to prevent running into things, BTW it wouldn't have prevented running over the Halon ext. You can only see about 20 feet in front of the nose due to the angle and position. We usually need at least 25 feet of wing tip clearance to taxi without a marshaler and 10 feet with one as long as the object is about less than 6 feet tall.


"damn, I didnt know prince could Ball like that" - Charlie Murphy
User currently offlineDuce50boom From , joined Dec 1969, posts, RR:
Reply 7, posted (10 years 1 month 2 weeks 5 days ago) and read 5812 times:

I'm surprised no one's brought up the halon extinguishers a couple 10s ran over in Misawa 2 years back. 2 bottles, 2 different jets and crews, same AB. Talk about lousy luck.



User currently offlineMYT332 From United Kingdom, joined Sep 2003, 9112 posts, RR: 70
Reply 8, posted (10 years 1 month 2 weeks 4 days 14 hours ago) and read 5766 times:

Well you learn something new everyday. I just asumed someone had bad guts or what not.  Smile/happy/getting dizzy


One Life, Live it.
User currently offlineRefueler1974 From United States of America, joined Mar 2004, 235 posts, RR: 0
Reply 9, posted (10 years 1 month 2 weeks 4 days 10 hours ago) and read 5727 times:

We (and they) were very lucky that the halon bottle didn't rupture!! Also, they were EXTREMELY lucky that one of the airline rampers saw them when they ran over the extinguisher and called the tower!! The crew had no idea that they had even run over anything!!


The only time you have too much fuel is when you're on fire.
User currently offlineDuce50boom From , joined Dec 1969, posts, RR:
Reply 10, posted (10 years 1 month 2 weeks 4 days 10 hours ago) and read 5724 times:

Why didn't the scanner notice the fire bottle? If the C-5 is run like the 141 then the scanner is outside during engine start and comes in when you close up. Did he just not see it when he climbed up the ladder?

User currently offlineRefueler1974 From United States of America, joined Mar 2004, 235 posts, RR: 0
Reply 11, posted (10 years 1 month 2 weeks 4 days 10 hours ago) and read 5723 times:

That is what we were trying to figure out. He was leaning on it during startup....but never moved it out of the way. It got wedged nicely between the the two right side nose wheels!!


The only time you have too much fuel is when you're on fire.
User currently offlineSabena332 From , joined Dec 1969, posts, RR:
Reply 12, posted (10 years 1 month 1 week 5 days 5 hours ago) and read 5407 times:

Galaxy5,

sorry for the late reply, somehow I forgot this thread (maybe because I don't post often in this forum). Also to you: thanks for the competent explanation, very interesting.

Patrick


User currently offlineGalaxy5 From United States of America, joined Mar 2000, 2034 posts, RR: 24
Reply 13, posted (10 years 1 month 5 days 5 hours ago) and read 5198 times:

Refueler1974
From United States, joined Mar 2004, 148 posts, RR: 0
Reply: 11
Posted Wed Jul 7 2004 18:32:02 UTC+1 and read 522 times:
That is what we were trying to figure out. He was leaning on it during startup....but never moved it out of the way. It got wedged nicely between the the two right side nose wheels!!

Just FYI, the scanner doesnt move the ext. who ever is marshalling out is supposed too, however the scanner is required to ensure the area is clear for taxi ops. From what i understandthey ran over the fire bottle because the didnt move it far enough away ( the scanner should have know that) and it got jammed up in the nose gear tires when they ran it over.

The funny thing is, with the C-5 being so big, the crew wouldnt have really noticed if the NLG tires whad gone flat, hell i blew 12 tires and never even noticed it until we were told by tower.





"damn, I didnt know prince could Ball like that" - Charlie Murphy
User currently offlineN1641 From United States of America, joined May 2000, 220 posts, RR: 0
Reply 14, posted (10 years 1 month 3 days 1 hour ago) and read 5105 times:

the "scanner" I love that term, as a new ATC, C-141 pilots on occasion would say they where deploying the scanner to check for a brake or gear problem and I imagined it to be some sort of special equipment, maybe with red lasers? no its an enlisted air crew member that runs around the plane Smile

User currently offlineDuce50boom From , joined Dec 1969, posts, RR:
Reply 15, posted (10 years 1 month 2 days 23 hours ago) and read 5097 times:

N1641,

I think you're going on a limb with your "its an enlisted air crew member that runs around the plane" remark.

Maybe if you'd written "stumbled" or "walks in a half drunken stupor" instead of "runs" it'd be a good description. Kidding around of course, but the scanner is always the flight engineer who's taking a break. The next leg or day the former scanner will be the flight engineer and vice versa.

Galaxy5,

Nice signature. "After it was all over, he took us in the house and served us pancakes............pancakes."


User currently offlineGalaxy5 From United States of America, joined Mar 2000, 2034 posts, RR: 24
Reply 16, posted (10 years 1 month 2 days 10 hours ago) and read 5064 times:

Nope, N1641, the scanner is just a low tech eyes and ears for the almighty pilots around the aircraft.

Hey Duce 50, that brings up the question? how do you guys deploy a "scanner" on the 10? like if you have an emergency and stop at the end of the runway or for what ever reason



"damn, I didnt know prince could Ball like that" - Charlie Murphy
User currently offlineDuce50boom From , joined Dec 1969, posts, RR:
Reply 17, posted (10 years 1 month 2 days 7 hours ago) and read 5051 times:

If the problem is taxiway or runway width, like we're stuck in a corner and we're not sure if we can make it out, we'll throw a boom or two in one of the doors. Normally 1L or 1R, since that's got a great view of the gear and engines. If it's more serious than that, or if the pilot wants a view from the ground, we'll have a crew chief (if we got em, otherwise the almighty boomer) go down a hatch in the cockpit through the avionics compartment and through another hatch in the nose gear so he can get on the ground. We call it "sending a guy down the nose". He can hook up a headset and talk to us directly from the interphone jack on the NLG or he can use visuals.

User currently offlinePPGMD From United States of America, joined Sep 2001, 2453 posts, RR: 0
Reply 18, posted (10 years 1 month 2 days 7 hours ago) and read 5048 times:

Duce50boom,

Does the 10 have a bail out hatch like the 135 because that sure doesn't sound like a quick way out of the aircraft?



At worst, you screw up and die.
User currently offlineDuce50boom From , joined Dec 1969, posts, RR:
Reply 19, posted (10 years 1 month 2 days 6 hours ago) and read 5047 times:

Nope, no hatch, and no way to get out of the aircraft (and survive) while airborne. If you depressurize the aircraft and open any of the cabin doors you'll run into either the engines, wings, or the horiz stab. If you go out the nose, the gear will have to be down and you'll hit the center gear on the way out, or if that's retracted I'd guess you'd hit the ARO compartment fairing.

In any case, it really doesn't matter too much because we don't carry parachutes on the -10. For the reasons stated above.

I've heard the 135 escape chute is actually a quick ride. I didn't go through 135 training, so take my words about it with a grain of salt. But from what I hear from folks who were 135 qual'd, you'd emergency open the hatch and hold the rails while you jump down the tunnel. IIRC, only 1 person (the boomer) has ever jumped from a 135, and he survived without a scratch.


User currently offlinePPGMD From United States of America, joined Sep 2001, 2453 posts, RR: 0
Reply 20, posted (10 years 1 month 2 days 6 hours ago) and read 5043 times:

The 135 that I was on, there was a ladder down the tunnel with a metal shield in place to stop the wind from knocking the person off until they jump.


At worst, you screw up and die.
User currently offlineMD11Engineer From Germany, joined Oct 2003, 13986 posts, RR: 62
Reply 21, posted (10 years 1 month 2 days 5 hours ago) and read 5036 times:

All DC-10s / MD-11s have the rear entrance through the nose wheel well. You can climb up the nose gear, and then, provided you are not too fat, walk along the closed gear doors (keeping your feet close to the hinges) and enter the plane through this door.Then you´ll have to crawl around the main avionics rack and up through the hatch into the cockpit behind the captain´s seat.

Jan


User currently offlineDuce50boom From , joined Dec 1969, posts, RR:
Reply 22, posted (10 years 1 month 2 days 4 hours ago) and read 5040 times:

Going through the avionics compt is a b**ch! It's very tight, and if you forgot to hit the switch on the boomer's "panel" or if you're coming up from the ground, you're doing it in the dark (sts) and in one of the hottest areas of the aircraft

User currently offlineChrisNH From United States of America, joined Jun 1999, 4099 posts, RR: 2
Reply 23, posted (10 years 1 week 6 days 11 hours ago) and read 4813 times:

I think they stick their heads out largely because, well, they can. I will be at the Westover Open House in Massachusetts this weekend, and being a C-5A base (15 or 16 based there), I'm sure we will see more of the same  Smile/happy/getting dizzy.

Chris in NH


User currently offlineStall From Switzerland, joined Apr 2004, 257 posts, RR: 0
Reply 24, posted (10 years 1 week 6 days 11 hours ago) and read 4810 times:

The view must be nice !
Unless its raining !!!!



Flying is fun
User currently offlineMD11Engineer From Germany, joined Oct 2003, 13986 posts, RR: 62
Reply 25, posted (10 years 1 week 5 days 22 hours ago) and read 4735 times:

Yes, going up or down through the hatch behind the captain´s seat is like dancing limbo. There area few control cables in the way.

Jan


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