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Cockpit Emergency Exit On The 744  
User currently offlineSK A340 From Sweden, joined Mar 2000, 845 posts, RR: 2
Posted (7 years 11 months 3 weeks 6 days 13 hours ago) and read 11590 times:

Is there an evacuation slide attached or some kind of rope ladder (not very "emergency friendly" solution) to the cockpit emergency exit on the 744? The distance to the ground, even in a "wheel up" landing situation, is quite long. If the pilots use the upper deck exits, when is the cockpit emergency exit used?

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/Micke

26 replies: All unread, showing first 25:
 
User currently offlineLegoguy From United Kingdom, joined Jun 2006, 3313 posts, RR: 40
Reply 1, posted (7 years 11 months 3 weeks 6 days 12 hours ago) and read 11571 times:

I'm not sure if that actually is an emergency exit


Can you say 'Beer Can' without sounding like a Jamaican saying 'Bacon'?
User currently offlineMiamiair From , joined Dec 1969, posts, RR:
Reply 2, posted (7 years 11 months 3 weeks 6 days 12 hours ago) and read 11575 times:

It is an exit.

On Pax/Combi versions there are four escape devices next to the exit. On the freighter there are eight. They are inertial reels. Go out the door and hold on. Like an E-ticket ride at Disney. The frighter also has six harnesses that you climb into and clip the devices to.


User currently offlineJetMech From Australia, joined Mar 2006, 2699 posts, RR: 53
Reply 3, posted (7 years 11 months 3 weeks 6 days 12 hours ago) and read 11574 times:

Hey Legoguy / SK A340  Smile,

Yes, it is actually an emergency exit  blush ! Just below the bottom sill of that exit is a rack of inertia handles. Basically, what you do is grab one of these handles (IIRC there is 5 of them) climb through that hatch and jump down. The inertia handle is basically a handle with a long steel cable attached near the stowage rack. The handle has an inertia reel to control your rate of descent.

Airbus has a different method to escape the cockpit. On the A330 / A340, the side window opens inward and slides aft. Above this window is a stowage box with an escape rope. You basically throw the rope out the window and use it to climb down. IIRC, the 767 has a similar arrangement.

Regards, JetMech



JetMech split the back of his pants. He can feel the wind in his hair.
User currently offlineKBFIspotter From United States of America, joined May 2005, 729 posts, RR: 1
Reply 4, posted (7 years 11 months 3 weeks 6 days 11 hours ago) and read 11543 times:

Quoting JetMech (Reply 3):
Airbus has a different method to escape the cockpit. On the A330 / A340, the side window opens inward and slides aft. Above this window is a stowage box with an escape rope. You basically throw the rope out the window and use it to climb down. IIRC, the 767 has a similar arrangement.

The 737 is the same way... Just above the flightdeck side window is a small compartment with an emergancy escape rope...

Kris



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User currently offlineLegoguy From United Kingdom, joined Jun 2006, 3313 posts, RR: 40
Reply 5, posted (7 years 11 months 3 weeks 6 days 11 hours ago) and read 11530 times:

I never knew that. That's actually quite interesting! Is there any pictures about with these escape methods taking place? Such as a training event?

Also, do all 747 pilots have to practise escaping from this hatch before the become certified?

And lastly... do all 747's have this or is it only the later models?

Thanks



Can you say 'Beer Can' without sounding like a Jamaican saying 'Bacon'?
User currently offlineMiamiair From , joined Dec 1969, posts, RR:
Reply 6, posted (7 years 11 months 3 weeks 6 days 11 hours ago) and read 11522 times:

Quoting Legoguy (Reply 5):
And lastly... do all 747's have this or is it only the later models?

I believe the Classics had them a well. PhilSquares can probly give you better information. The info I posted above is for the -400 and -400F


User currently offline474218 From United States of America, joined Oct 2005, 6340 posts, RR: 9
Reply 7, posted (7 years 11 months 3 weeks 6 days 10 hours ago) and read 11511 times:

The L-1011 has a similar flight station escape system, climb out through the escape hatch holding on to the handle and slid off the side of the fuselage. The inertia reel slows you down before you reach the ground.

The reason for this system is that neither the B747 and the L-1011 have flight station windows that can be opened. In my thirty plus years working on the L-1011 I never heard of the system being used. Tests during production were done with sand bags.

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[Edited 2006-12-01 16:55:41]

User currently offlinePhilSquares From , joined Dec 1969, posts, RR:
Reply 8, posted (7 years 11 months 3 weeks 6 days 7 hours ago) and read 11417 times:

Quoting Miamiair (Reply 6):
I believe the Classics had them a well. PhilSquares can probly give you better information. The info I posted above is for the -400 and -400F

It's on all the models. The pax version has 5 and the freighter has 8. In addition there is the passenger assist device (diaper) which can be used to lower someone through the cockpit escape hatch.

But, don't forget there is also at least one upper deck door with a slide on every aircraft. The escape reels are really only a "last resort".

They were used to evacuate the cockpit of a PA 747 in KHI that was hijacked.

Just an interesting bit of trivia, they can be reused up to 32 times and can be re-wound.


User currently offlineJamesbuk From United Kingdom, joined May 2005, 3968 posts, RR: 4
Reply 9, posted (7 years 11 months 3 weeks 6 days 7 hours ago) and read 11389 times:

Quoting PhilSquares (Reply 8):
32 times

32 times each or all 5/8 can be used a total of 32 times?

Rgds --James--

P.S. Interesting topic!!!



You cant have your cake and eat it... What the hells the point in having it then!!!
User currently offlinePhilSquares From , joined Dec 1969, posts, RR:
Reply 10, posted (7 years 11 months 3 weeks 6 days 6 hours ago) and read 11372 times:

Quoting Jamesbuk (Reply 9):
32 times each or all 5/8 can be used a total of 32 times?

Rgds --James--

P.S. Interesting topic

32 times each! The stainless steel tape in the inertia reels will do a job on your hands if you happen to touch it while you're sliding over the side....


User currently offlineJamesbuk From United Kingdom, joined May 2005, 3968 posts, RR: 4
Reply 11, posted (7 years 11 months 3 weeks 6 days 6 hours ago) and read 11369 times:

Quoting PhilSquares (Reply 10):
32 times each!

Blooooody Hell!!

Quoting PhilSquares (Reply 10):
in the inertia reels will do a job on your hands

Lol i bet. Is it in a training program to use one of these?


Rgds --James--



You cant have your cake and eat it... What the hells the point in having it then!!!
User currently offlineEMBQA From United States of America, joined Oct 2003, 9364 posts, RR: 11
Reply 12, posted (7 years 11 months 3 weeks 6 days 3 hours ago) and read 11298 times:

Quoting Legoguy (Reply 5):
And lastly... do all 747's have this or is it only the later models?

All commercial aircraft have that. There must be a secondary means of escape from the cockpit... either through a sliding/removable window, or an escape hatch.



"It's not the size of the dog in the fight, but the size of the fight in the dog"
User currently offlineN766UA From United States of America, joined Jul 1999, 8337 posts, RR: 23
Reply 13, posted (7 years 11 months 3 weeks 6 days 2 hours ago) and read 11275 times:

The hatch on top is really for if the cockpit ends up on its side. Same on the CRJs and Saabs. If a window is blocked you can climb out the top hatch which, in that case, would be a side hatch.


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User currently offlineJetMech From Australia, joined Mar 2006, 2699 posts, RR: 53
Reply 14, posted (7 years 11 months 3 weeks 6 days 2 hours ago) and read 11268 times:

Quoting 474218 (Reply 7):
sand bags.

Wow, they used real pilots to test the escape system  bigthumbsup  Big grin !



JetMech split the back of his pants. He can feel the wind in his hair.
User currently offlineEMBQA From United States of America, joined Oct 2003, 9364 posts, RR: 11
Reply 15, posted (7 years 11 months 3 weeks 6 days 1 hour ago) and read 11235 times:

Quoting N766UA (Reply 13):
The hatch on top is really for if the cockpit ends up on its side

The hatch on top is for aircraft that don't have side opening windows. Saab's and CRJ's do not have side opening windows. Embraer's do... hence, no roof hatch. DC-10/MD-11... side opening windows, no roof hatch. B747...no side opening windows, roof hatch... B707, B727, B737, B757, B767, B777... opening side windows, no roof hatch.

[Edited 2006-12-02 03:08:23]


"It's not the size of the dog in the fight, but the size of the fight in the dog"
User currently offlineHAWK21M From India, joined Jan 2001, 31702 posts, RR: 56
Reply 16, posted (7 years 11 months 3 weeks 5 days 11 hours ago) and read 11107 times:

Any reason why the Exit was not thru Sliding Windows as on the B737.
regds
MEL



Think of the brighter side!
User currently offlineStarlionblue From Greenland, joined Feb 2004, 17108 posts, RR: 66
Reply 17, posted (7 years 11 months 3 weeks 5 days 11 hours ago) and read 11106 times:

Quoting HAWK21M (Reply 16):
Any reason why the Exit was not thru Sliding Windows as on the B737.

Slope of the fuse at that point? Something hindering an opening window mechanism?



"There are no stupid questions, but there are a lot of inquisitive idiots."
User currently offlineEMBQA From United States of America, joined Oct 2003, 9364 posts, RR: 11
Reply 18, posted (7 years 11 months 3 weeks 5 days 9 hours ago) and read 11078 times:

Quoting HAWK21M (Reply 16):
Any reason why the Exit was not thru Sliding Windows as on the B737.

The exit is through the sliding window. B737's do not have a roof hatch.. thus, they have a sliding window.



"It's not the size of the dog in the fight, but the size of the fight in the dog"
User currently offlineJdl1527 From United States of America, joined Aug 2006, 52 posts, RR: 0
Reply 19, posted (7 years 11 months 3 weeks 5 days ago) and read 10996 times:

The 787 will have a roof hatch

User currently offlineCF188A From , joined Dec 1969, posts, RR:
Reply 20, posted (7 years 11 months 3 weeks 4 days ago) and read 10873 times:

lol as he climbs out .... he just slides down the front? Is that the original plan? (joking around) If so I would love to see the medical records of the engineers responsible for its design.  Wink

User currently offlineHAWK21M From India, joined Jan 2001, 31702 posts, RR: 56
Reply 21, posted (7 years 11 months 3 weeks 3 days 21 hours ago) and read 10837 times:

Quoting EMBQA (Reply 18):
The exit is through the sliding window. B737's do not have a roof hatch.. thus, they have a sliding window

Are you saying the B747 sliding window exists.
regds
MEL



Think of the brighter side!
User currently offlinePhilSquares From , joined Dec 1969, posts, RR:
Reply 22, posted (7 years 11 months 3 weeks 3 days 20 hours ago) and read 10827 times:

Quoting HAWK21M (Reply 21):
Are you saying the B747 sliding window exists.

No 747 model has sliding side windows.


User currently offlineHAWK21M From India, joined Jan 2001, 31702 posts, RR: 56
Reply 23, posted (7 years 11 months 3 weeks 3 days 20 hours ago) and read 10819 times:

Quoting HAWK21M (Reply 21):
Quoting EMBQA (Reply 18):
The exit is through the sliding window. B737's do not have a roof hatch.. thus, they have a sliding window



Quoting PhilSquares (Reply 22):
Quoting HAWK21M (Reply 21):
Are you saying the B747 sliding window exists.

No 747 model has sliding side windows.

Exactly what I thought.
regds
MEL



Think of the brighter side!
User currently offlineJetMech From Australia, joined Mar 2006, 2699 posts, RR: 53
Reply 24, posted (7 years 11 months 3 weeks 3 days 12 hours ago) and read 10767 times:

Quoting Miamiair (Reply 2):
On the freighter there are eight. They are inertial reels.

G'day Techies, here they are. I apologise for the quality as the photos were taken without a flash. This is the rack of inertia reel escape handles on a B742 freighter. The handles were larger than I remembered, and it seems you could probably get both hands side by side on the handle. The red anodised "columns" are the actual handle, with the attached inertia reel mechanism behind.

Big version: Width: 768 Height: 1024 File size: 92kb
Rack of escape handle inertia reels. Above the handles is the cushion covering the escape hatch.


Quoting PhilSquares (Reply 8):
In addition there is the passenger assist device (diaper)

Big version: Width: 1024 Height: 768 File size: 191kb
Escape handle rack. The cables to each of the eight handles are bolted to the structure with a single bolt.


Does the diaper attach to the steel ring / plate fitting located in the middle of the red anodised handle?

Regards, JetMech



JetMech split the back of his pants. He can feel the wind in his hair.
25 CCA : Yep sure does, there's a carribiner on the diaper. CCA
26 HAWK21M : Very Similiar to the ones on the B752SF.However its located in the Supernumery Area ie outside the Cockpit.The question is do you have the time to we
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