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747 with single-engine failure safely returns to Dulles
Fox news Alert ^
| 25 May 07
| dcbryan1
Posted on 05/25/2007 10:49:58 AM PDT by DCBryan1
Fox news Alert:
Emergency vehicles on tarmac waiting for 747 with an engine out at Dulles Int'l airport. Developing...
(Excerpt) Read more at foxnews.com ...
TOPICS: US: District of Columbia; US: Virginia
KEYWORDS: 747; ayecarumba; dulles; iad; josegotsuckedin; jumbojet; mexicaninengine; yawn
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To: ansel12
I always have to laff when they tell you the seat cushions can be used as flotation devices.......If you ditch in the North Atlantic you’ll die of cold in 15 minutes if you survive the ditching...................
81
posted on
05/25/2007 11:23:17 AM PDT
by
Red Badger
(My gerund got caught in my diphthong, and now I have a dangling participle...............)
To: P-Marlowe
One aircraft did a couple of years ago - don’t remember what type, but they lost all engines over the atlantic, glided to a landing more than a hundred miled away. Blew all the tires, on landing - I guess the PIC didn’t wan’t to try a go-around.
82
posted on
05/25/2007 11:24:36 AM PDT
by
patton
(19yrs ... only 4,981yrs to go ;))
To: airplaneguy
This is not entirely true. In the jet I fly we use about 60% N1 during landing on both engines. A triple engine failure in a 747 would be an extraordinary emergency. Can you forward the engineering Physics and wind tunnel data that you used to determine other wise?
Isn't N1 the low compressor speed and N2 the high compressor speed?
83
posted on
05/25/2007 11:27:56 AM PDT
by
teletech
(Friends don't let friends vote DemocRAT)
To: airplaneguy
In the jet I fly we use about 60% N1 during landing on both engines.I suspect that you are trying to bring it in for a normal landing and you are using that 60% to overcome the drag caused by the flaps. The 747 has a glide ratio of 15/1, but of course that means coming in for a landing at cruising speed (i.e., 300+ MPH).
Yes that would be an extrordinary emergency. But you can make it to the airport, and if you are lucky the plane will come to a stop within a couple of miles from the end of the runway.
84
posted on
05/25/2007 11:29:04 AM PDT
by
P-Marlowe
(LPFOKETT GAHCOEEP-w/o*)
To: doorgunner69
I believe the DC -10 is capable of crossing the atlantic with two engines. The third engine is just to satisfy aviation rules.
85
posted on
05/25/2007 11:32:09 AM PDT
by
Churchillspirit
(We are all foot soldiers in this War On Terror.)
To: CholeraJoe
I wasn't even thinking of fuel load. My experience is mostly with A-7's, and they don't have anything like that kind of combat radius.
Also, on a Corsair II, losing an engine is always a big deal.
86
posted on
05/25/2007 11:32:45 AM PDT
by
magslinger
(Be wary of strong drink. It can make you shoot at tax collectors. And miss. R.A.Heinlein)
To: P-Marlowe
FWIW, you don't need an engine to land a plane, you need the engines to keep it in the air.
LOL!
87
posted on
05/25/2007 11:33:43 AM PDT
by
Churchillspirit
(We are all foot soldiers in this War On Terror.)
To: magslinger
Same on an F-16. It has a hydrazine powered APU to give the pilot just enough light to find the bailout handles.
88
posted on
05/25/2007 11:35:47 AM PDT
by
CholeraJoe
(Tagline removed due to death threats)
To: Dead Dog
Sounds like one of those old 377 stories .... ;)
89
posted on
05/25/2007 11:36:03 AM PDT
by
GOP_1900AD
(Stomping on "PC," destroying the Left, and smoking out faux "conservatives" - Take Back The GOP!)
To: Hillarys Gate Cult
B-36 .... 3 turning and 2 burning ..... LOL!
90
posted on
05/25/2007 11:37:05 AM PDT
by
GOP_1900AD
(Stomping on "PC," destroying the Left, and smoking out faux "conservatives" - Take Back The GOP!)
To: P-Marlowe
That’s a 16:1 glide ratio.
Maybe that 747 is EMPTY! ... to go 120 miles from FL 38 as a ‘glider’
91
posted on
05/25/2007 11:37:57 AM PDT
by
Blueflag
(Res ipsa loquitor)
To: DCBryan1
Im thinking of a DC10 with the two huge engines.”
11/3/1973
National Airlines
DC10-10
Albuquerque, New Mexico
Overspeeding of the starboard engine caused the engine to disintegrate. Pieces struck the fuselage, breaking a window, causing rapid explosive decompression and a passenger was sucked out of the plane. The plane landed safely.
Make sure you have a great pilot!
92
posted on
05/25/2007 11:39:49 AM PDT
by
philetus
(Keep doing what you always do and you'll keep getting what you always get.)
To: CholeraJoe
R-4360s do have quite a distinctive sound. I miss it.
93
posted on
05/25/2007 11:40:53 AM PDT
by
GOP_1900AD
(Stomping on "PC," destroying the Left, and smoking out faux "conservatives" - Take Back The GOP!)
To: Blueflag
Thats a 16:1 glide ratio. Maybe that 747 is EMPTY! ... to go 120 miles from FL 38 as a gliderWell, you just kick out all the passengers, empty the cargo hold and dump all the fuel and you can probably expect a fairly routine emergency landing.
94
posted on
05/25/2007 11:41:00 AM PDT
by
P-Marlowe
(LPFOKETT GAHCOEEP-w/o*)
To: DCBryan1
DC-10: Three engines: Two wing mounted, one tail mounted
L1011: Three engines: Two wing mounted, one tail intake / stern exhaust
747: Four engined monster: One engine out... Hey, what was that noise? Yawn....
95
posted on
05/25/2007 11:43:13 AM PDT
by
Freeport
To: P-Marlowe
LOL 16:1 is better than a short-wing Tri-Pacer ;-)
96
posted on
05/25/2007 11:46:14 AM PDT
by
Blueflag
(Res ipsa loquitor)
To: CholeraJoe
Really? The A-7’s APU was a windmill.
97
posted on
05/25/2007 11:47:23 AM PDT
by
magslinger
(Be wary of strong drink. It can make you shoot at tax collectors. And miss. R.A.Heinlein)
To: Churchillspirit
I believe the DC -10 is capable of crossing the Atlantic with two engines. The third engine is just to satisfy aviation rules. I think that an aircraft that crosses an ocean has to able to fly "X" number of miles with one engine out.I think transoceanic routes are calculated to ensure that an aircraft is never more that "Y" number of miles from an airfield at which it could land in an emergency.
98
posted on
05/25/2007 11:47:38 AM PDT
by
Gay State Conservative
("The meaning of peace is the absence of opposition to socialism."-Karl Marx)
To: ansel12
When I left Viet Nam in 1971, we flew out on a four engine plane. I can’t remember what it was.
About an hour out we lost an engine. The pilot came out and told us and asked if we wanted to go back to Saigon and get another plane.Nobody did.
99
posted on
05/25/2007 11:48:10 AM PDT
by
philetus
(Keep doing what you always do and you'll keep getting what you always get.)
To: DCBryan1
Since it appears that all will turn out well here, I'll post a relevant joke...
Upon losing an engine, the pilot of a 747 on a trans-Atlantic flight addresses the passengers on the PA:
Ladies and gentlemen, we've just lost our number-4 engine. This aircraft will have no problems making it to our desitination on 3 engines, but it will take us an extra hour or so.
Sighs and nervous laughter fill the cabin for a few minutes, then all returns to normal.
Twenty minutes later, a second engine flames out...
Attention passengers: we've now lost our number-1 engine, but again, this aircraft is designed to fly with only two. We will, however, be about 3 hours late in getting to our destination.
More sighs and nervous laughter, and another 20 minutes go by before a third engine craps out.
Um... Ladies and gentlemen, (...bla, bla, bla...) about 4 hours late to our destination.
Passengers are now getting nervous, and some, angry. Another 10 minutes pass...
Ladies and gentlement, we've just lost our 4th and final engine!
An elderly woman sitting in First class stands up, shakes her fist in the air and says, "Damnit!! Now we'll be up here all day!!"
;o)
100
posted on
05/25/2007 11:52:00 AM PDT
by
LIConFem
(Thompson 2008. Lifetime ACU Rating: 86 -- Hunter 2008 (VP) Lifetime ACU Rating: 92)
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