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'Wake turbulence' probed in crash of Flight 587
CNN ^ | 11-13-01

Posted on 11/13/2001 4:53:22 PM PST by dogbyte12

Edited on 04/29/2004 1:59:35 AM PDT by Jim Robinson. [history]

NEW YORK (CNN) -- Federal investigators said they are considering whether "wake turbulence" from another airplane may have played a role in the crash of a commercial jet that crashed Monday, scattering debris over a Queens neighborhood and claiming more than 260 lives.


(Excerpt) Read more at cnn.com ...


TOPICS: Front Page News; News/Current Events
KEYWORDS: flight587
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To: Young Werther
Good comment. In the 80s, I watched a MITO at Griffiss AFB in NY. A KC-135 was taking off behind a B-52, and encountered heavy turbulence. The skill of the pilot prevented the plane from taking out the alert shack.

The pucker factor for us watching on the ground was pretty high. I can only imagine what it was like on the plane.

41 posted on 11/13/2001 7:16:51 PM PST by Gwaihir
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To: dogbyte12
Wake turbulence from a 757 knocked a Lehr style jet out of the sky in Orange County CA (Santa Ana I believe) a few years ago. The wake off the newer Boeing jets is much more an issue that the older ones. If it was a 747-400 with winglets, it would create quite a wake.

On another note...For years, alot of people on this site blamed the Clinton administration for all the cover-ups. Clinton is gone and our man Bush is in charge. Does this mean that he is no different than Clinton in allowing things like this to be covered up? After the posts of the last 2 days, I think some people here believe EVERY airplane that has ever crashed was sabatoged, shot down or covered up. No wonder the freaks at D.U. have such a good time at our expense. When you shout cover-up, you are blaming the current administration of the same things that happened in the last. Let's wait and see what happens in the investigation before we start blaming everybody.

42 posted on 11/13/2001 7:18:28 PM PST by Uni-Poster
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Some people here are in dire need of a chill pill.

What's the matter with the NTSB thoroughly checking into all possibilities? The pilot mentioned wake turbulence, so they will look into it. This isn't their final report, just another factor to consider. As someone else pointed out, this isn't the NTSB's conclusion, but rather CNN, et. al. jumping all over one little thing and blowing it all out of proportion(I would think experienced Freepers would be well aware of their propensity to such scurrilous "journalism" and not suckered in, like some knee-jerk emotional Democrat constituents). Geez, you'd think this was Hillary carting away Vince Foster's boxes, rather than a simple press conferences that offers no conclusions.

43 posted on 11/13/2001 7:22:50 PM PST by Diddle E. Squat
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To: SMEDLEYBUTLER; abner; Travis McGee; Sabertooth; LarryLied
see # 13 ---
44 posted on 11/13/2001 7:27:56 PM PST by onyx
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To: smarticus
I'm going to say it again, It was Veterans day, it was an American Airliner, and it fell on an American neighborhood, to many qinkydinks don't ya think????
45 posted on 11/13/2001 7:27:57 PM PST by Ordie 1
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To: mlmr
For what it is worth I was on a 737 that flew into the wake of a widebody. It sounded like you were inside a metal drum and someone took a baseball bat and hit the outside. The plane slid sideways through the air. The stewardes standing near me who had just picked up a coffee cup went airborn down the aisle. Someone caught her so she was ok. You could have heard a pin drop on that plane for the next fifteen seconds. As it happened right over Mirimar Air Station my first thought was that one of the F-16 agressor fighters that they used for Top Gun training was climbing vertical from the runway and had hit us. An F-4 that was doing aerobatics downed a DC-9 in 71 over Riverside County. The pilot finally came on the intercom and told us what happened. A collective sigh of relief was heard. Pretty scary and I have done carrier landings and takeoffs plus helo ops off Navy ships at sea. Hitting a wake is not something I want to have happen again. Personally I think someone did something to the Airbus. To lose the vertical stabilizer and both engines is hard to understand.
46 posted on 11/13/2001 7:33:36 PM PST by willyone
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To: Ordie 1
Think about all the delays you may have personally witnessed before planes you may have travelled on took off.

If taking off 20 seconds to 30 seconds later than takeoff is supposed to occur risked the plane's breaking apart how would any takeoff have been made successfully on the crowded schedules our airports have served?

47 posted on 11/13/2001 7:38:03 PM PST by Freedom of Speech Wins
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To: southland
You actually used to fly B-36 bombers? That movie Strategic Air Command with Jimmy Stewart was one of my favorite movies. How did you keep all those engines sychronized? It must have been one heck of an experience to fly that monster.
48 posted on 11/13/2001 7:39:33 PM PST by willyone
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To: onyx; SMEDLEYBUTLER; abner; Travis McGee; LarryLied
Metal fatigue crossed my mind, but I'm just a layman, and I haven't heard it raised much.

Seems like everyone's scratching their heads and throwing stuff out there. Birds, reverse thrusters, etc.

The one thing that can safely be said at this point, is that this is either a totally new kind of accident, or a totally new kind of terrorism. Doesn't fit any models.

I don't see how anyone can be anywhere but right on the fence.


49 posted on 11/13/2001 7:39:36 PM PST by Sabertooth
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To: John H K
I simply CANNOT BELIEVE the incompetent, covering-up boobs at the NTSB are investigating something as silly as wake turbulence just because the pilot of the plane that crashed mentioned wake turbulence just before the plane went down!

Thank you.

50 posted on 11/13/2001 7:42:43 PM PST by bootless
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To: dogbyte12
Wake turbulence my A$$!!!

What the hell did he depart after, a freaking Star Destroyer?!?!?!?!

?????????

51 posted on 11/13/2001 7:43:05 PM PST by The Magical Mischief Tour
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To: Cleburne
Air turbulence can rend a plane to pieces?!?

Yes, it can. There have been some spectacular cases where flying through even the wingtip vortices can upend a plane.

52 posted on 11/13/2001 7:44:04 PM PST by bootless
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To: Sabertooth
I don't see how anyone can be anywhere but right on the fence.

That's where I am. On the fence. We still don't have all of the facts. I think the gov. is terrified that this is an act of sabotage. I would feel better if they would actually say that. Instead of it is everything but sabotage.

53 posted on 11/13/2001 7:47:10 PM PST by abner
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To: golindseygo
After that experience all of the rides at Six Flags are quite tame.

My first flight on a B-52 was with friends who were excited for me to go along with them. They didn't explain the initiation. In the movie "Men of Honor" Master diver Brashear, (Cuba Gooding) was looking for a H-Bomb that was dropped into the Med by a B-52. The bombs were dropped due to a mid-air collision during an air refueling. The B-52 under ran the tanker and the aerodynamics were such that the two aircraft were "sucked together" and collided.

After that accident a maneuver was developed to prevent any such accidents in the future. If the boom operator observed an unsafe approach by the bomber he would call a "breakaway" The Tanker would initiate an immediate 1000' per minute climb and the B-52 would initiate an air brakes to six 1000' foot per minute dive

So a breakaway maneuver was scheduled for my first training flight and I wasn't "warned/briefed" as to what to expect. I was in the IP seat immediately behind the AC and Co-Pilot. I had my camera at the ready to take pics of the refueling. We had a minimum off load and then the boomer radioed "Breakaway". My seat belt was unsnapped and ..well does the term Vomit Comet" bring any pictures to mind. The crew snickered for the rest of the mission which was about 11 hours!

54 posted on 11/13/2001 7:48:35 PM PST by Young Werther
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To: right_to_defend
There is one thing I do know - wake turbulence could indeed force down a jet - so could wind shear. But there's no way these effects could break a jetliner into 4 or 5 different pieces in midair. No way.

It's not the wake turbulence that breaks anything up. It's the rolling over inverted at low altitude, and the resulting overstress of the airframe caused by the attempt to correct the problem that breaks things up.

I've hit many a wake turbulence. Even flown a cessna 150 towing a banner through 757 wake. But that was at right angles. It's ANOTHER THING to ride the wake right down the middle.

It's hard to do, but we used to screw around with the banner airplanes, and deliberately ride in the wake. If you get half way in, you can fly straight with almost full aileron. If you get ALL the way in, it will roll you right over. And that was flying behind a Cessna 150.

55 posted on 11/13/2001 7:49:00 PM PST by narby
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To: blackdog
May Day here on this thread!
56 posted on 11/13/2001 7:51:37 PM PST by onyx
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To: Sabertooth
The one thing that can safely be said at this point, is that this is either a totally new kind of accident, or a totally new kind of terrorism. Doesn't fit any models.

I know what you mean. The CVR gives a pretty good indication that it was not a bomb, missile, or terrorist in the cockpit. No "boom". (Unless the NTSB has information and is deliberately concealing it -- Something I don't want to give credence to with this new administration but which I would believe Clinton would do in a heart beat.) I still remember GWB telling his staff after firing L. Chavez that he would never tolerate anyone lying to him. I do not think he would do that to us either.

That said, it looks like a losened vertical stablizer could have been broken by wake turbulence. Rattled first before finally breaking clean (what do the attaching surfaces of the stablizer look like under a microscope?) Who had the last chance to loosen the stablizer, (is it held with screws?) I have heard speculation that without a stablizer, and who knows what other controls were also lost, the crew might have been trying to control yaw with engine thrust. Maybe the plane could not take that loading and the engines were weakened?

57 posted on 11/13/2001 7:51:48 PM PST by KC_for_Freedom
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To: narby
You've got nerves of steel. All the towplanes around here are Stearmans (Stearmen?). How light and/or small did your banner have to be for a 150 to tow it around?
58 posted on 11/13/2001 7:51:53 PM PST by bootless
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To: bootless
There have been some spectacular cases where flying through even the wingtip vortices can upend a plane.

You mean those things right there on the toe?


59 posted on 11/13/2001 7:52:36 PM PST by Sabertooth
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To: Criminal Number 18F
Ping!
60 posted on 11/13/2001 7:53:34 PM PST by bootless
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