dirtyfrankd
Topic Author
Posts: 182
Joined: Tue Apr 26, 2011 3:10 am

DL Emergency Landing In Puerto Rico

Sun Dec 04, 2011 7:26 pm

Just got wind of a DL emergency landing in Puerto Rico, anyone heard about this or have any details?
 
roseflyer
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Joined: Fri Feb 13, 2004 9:34 am

RE: DL Emergency Landing In Puerto Rico

Sun Dec 04, 2011 8:05 pm

Looks like it was a 737-800 flying ATL-Saint Lucia. Looking at the speed of their descent, it might have been a medical emergency, since they dropped about as fast as they practically could for the diversion. SJU is on the normal ATL-Saint Lucia routing, so it makes sense that they were aware as SJU as a potential diversion airport.
If you have never designed an airplane part before, let the real designers do the work!
 
KingFriday013
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Joined: Fri May 18, 2007 7:56 am

RE: DL Emergency Landing In Puerto Rico

Sun Dec 04, 2011 8:46 pm

Looks like it was DL 421 ATL-UVF

http://flightaware.com/live/flight/D...1/history/20111204/1445Z/KATL/TLPL
(Link shows the divert to SJU)

Quoting RoseFlyer (Reply 1):
Looking at the speed of their descent, it might have been a medical emergency, since they dropped about as fast as they practically could for the diversion

Link for the full log: http://flightaware.com/live/flight/D.../20111204/1445Z/KATL/TJSJ/tracklog

WOW!   

-J.

(Edited to fix screenshot code)

[Edited 2011-12-04 12:58:16]
Tho' I've belted you an' flayed you, By the livin' Gawd that made you, You're a better man than I am, Gunga Din!
 
Western727
Posts: 1428
Joined: Wed Jan 03, 2007 12:38 pm

RE: DL Emergency Landing In Puerto Rico

Mon Dec 05, 2011 5:00 pm

Quoting RoseFlyer (Reply 1):
they dropped about as fast as they practically could for the diversion

I'm not sure I agree - the average descent rate looks like it was below roughly 2,000 fpm and the time from TOD to touchdown was about 21 minutes, not much shorter than a standard descent.

I was in a Delta MD-88 (N992DL) that made an emergency descent into JAN a couple of years ago. At our cruise altitude (FL360) a smoke-in-the-cabin situation developed, prompting an emergency descent with speedbrakes deployed literally all the way down from TOD to short final when the flaps/gear were extended. After the equipment met us at JAN and the situation was determined to be under control (turned out only to be a bad air conditioning pack), we disembarked to be put on other flights.

A half hour after we disembarked, I saw the flight and cabin crew at a still-closed bar/grill (this was in the morning) and we discussed what I thought was a great experience, and the FO said "we got that baby down in 12 minutes flat" with the highest descent rate being almost 5,000 fpm. 12 minutes sounded exactly right based on the clock on my cell phone. That's an average of about 3,000 fpm.

So...I'm thinking either the emergency wasn't that grave, OR the 738 was too far away from SJU to descend in a "straight line down" manner. Pure speculation, though.
Jack @ AUS
 
Western727
Posts: 1428
Joined: Wed Jan 03, 2007 12:38 pm

RE: DL Emergency Landing In Puerto Rico

Mon Dec 05, 2011 6:10 pm

After giving the referenced DL 738 situation more thought and studying the FlightAware.com info further, I realize the descent WAS rapid for the initial stage...down to roughly FL140.

This seems to suggest a decompression emergency given the fact that the descent rate appears to have been normal below FL140. And, given the fact that the aircraft did not appear to fly straight to SJU during its descent, perhaps it was indeed too close to SJU at TOD to do a straight-in descent from FL370..but still had to descent rapidly down to FL140.

So...decompression is my theory...or some other emergency that somehow became "less" of an emergency when the aircraft reached FL140.
Jack @ AUS
 
roseflyer
Posts: 9606
Joined: Fri Feb 13, 2004 9:34 am

RE: DL Emergency Landing In Puerto Rico

Mon Dec 05, 2011 6:23 pm

Quoting Western727 (Reply 4):
After giving the referenced DL 738 situation more thought and studying the FlightAware.com info further, I realize the descent WAS rapid for the initial stage...down to roughly FL140.

This seems to suggest a decompression emergency given the fact that the descent rate appears to have been normal below FL140. And, given the fact that the aircraft did not appear to fly straight to SJU during its descent, perhaps it was indeed too close to SJU at TOD to do a straight-in descent from FL370..but still had to descent rapidly down to FL140.

So...decompression is my theory...or some other emergency that somehow became "less" of an emergency when the aircraft reached FL140.

The airplane dispatched to Saint Lucia after 4 hours on the ground at SJU. That's awfully fast at a station where DL likely only has contract maintenance to get anything fixed that would cause a pressurization problem or a mechanical problem significant enough to cause a diversion.

Anyone know anything else?
If you have never designed an airplane part before, let the real designers do the work!
 
bhmdiversion
Posts: 273
Joined: Mon Dec 29, 2008 2:41 pm

RE: DL Emergency Landing In Puerto Rico

Mon Dec 05, 2011 8:19 pm

The cause for diversion was for a LH Engine Fire Warning. Line MX was contacted in SJU and MEL'ed accordingly.
 
dirtyfrankd
Topic Author
Posts: 182
Joined: Tue Apr 26, 2011 3:10 am

RE: DL Emergency Landing In Puerto Rico

Tue Dec 06, 2011 12:39 am

Quoting bhmdiversion (Reply 6):
The cause for diversion was for a LH Engine Fire Warning. Line MX was contacted in SJU and MEL'ed accordingly.

Thanks for the clarification!
 
usair330
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RE: DL Emergency Landing In Puerto Rico

Tue Dec 06, 2011 9:19 am

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