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-   -   US Express Crash (https://www.airlinepilotforums.com/regional/20100-us-express-crash.html)

Blkflyer 12-19-2007 07:37 PM


Originally Posted by rickair7777 (Post 283563)
Perhaps there was a high xwind? That would account for the pax description of being "perpindicular" to the RWY. That combined with rapidly changing RWY conditions is a receipe for diasaster.

You need runway friction to just stay on the runway in a xwind, to say nothing of braking. The TR's will likely hurt more than they help in that situation.

SPECI KPVD 160945Z 04014KT 1SM R05/5500VP6000FT -SNPL BR BKN005 OVC050 M04/M06 A3012 RMK AO2 PLB44 PRESFR P0003

METAR KPVD 160951Z 04013KT 1 1/4SM -SNPL BR SCT005 OVC050 M04/M06 A3012 RMK AO2 PLB44 PRESFR SLP198 P0004 T10391056

They were executing the ILS to RW05 according to the weather at the time the winds were about a 12 knot head wind and a 2 knot left cross wind but the weather in the METAR also showd PRESFR Pressure Falling Rapidly so maybe they had some wind shear their was also Light Snow and Ice Pellet in the weather as well I am not going to speculate I am just happy that no one was hurt.

Guys remember this winter weather flying can be a challange .. Fly Safe Yall

ImperialxRat 12-19-2007 09:00 PM

I thought I read in the article that... "(The National Weather Service said that cloud cover was 300 feet and visibility was a mile and a half in fog, with 6 mph winds from the north.)"

Its in paragraph 15 of the article. That doesn't coincide with the METAR...

ImperialxRat 12-19-2007 09:06 PM

Double post.

fosters 12-19-2007 09:27 PM

I don't think weather or field conditions were the primary cause, just my uneducated $0.02.

PMeyer 12-19-2007 09:45 PM


Originally Posted by fosters (Post 283666)
I don't think weather or field conditions were the primary cause, just my uneducated $0.02.


What do you think was the primary cause?

Flyboy8784 12-19-2007 09:47 PM

i think its better to get on the reverse first...then slowly apply brakes....i dont really trust the anti-skid....it gives you quite the uneasy feeling....its a huge relief that everyone was ok

fosters 12-19-2007 10:07 PM


Originally Posted by PMeyer (Post 283674)
What do you think was the primary cause?

I'm just looking at the facts here:

- Ran off side of runway, not the end
- No major crosswind
- Weather itself wasn't "bad" (1 mile isn't really that bad)
- Collapsed left main gear

fosters 12-19-2007 10:10 PM


Originally Posted by Flyboy8784 (Post 283677)
i think its better to get on the reverse first...then slowly apply brakes....i dont really trust the anti-skid....it gives you quite the uneasy feeling....its a huge relief that everyone was ok

Why does the anti-skid give you an uneasy feeling? It gives me a warm and fuzzy feeling knowing it's there.

boilerpilot 12-19-2007 11:44 PM


Originally Posted by fosters (Post 283688)
I'm just looking at the facts here:

- Ran off side of runway, not the end
- No major crosswind
- Weather itself wasn't "bad" (1 mile isn't really that bad)
- Collapsed left main gear

.........

Why does the anti-skid give you an uneasy feeling? It gives me a warm and fuzzy feeling knowing it's there.

This is probably coming from somebody who's never used anti-skid. It works, but it's definitely weird. It doesn't grab like it should, especially on snow, and if you apply the brakes too quickly before throwing up the spoilers, you'll get a feeling like you're basically not braking at all. So yeah. It works, but it's weird.

As to your list of the "facts", well, again, don't know if you're reading the same article or have that much experience with.... weather. Reading a couple of factors off of a METAR don't give you a full picture of the situation. As a lot of people have said, the prelim report hasn't been released yet, so I hesitate to comment, but falling pressure and different wind directions before and after the incident definitely at least allow low level wind shear to not be ruled out. Plus, left gear might have collapsed due to the landing ("impact") or hit FOD or been faulty in the first place, or for whatever reason. Fact is your "facts" don't really amount to much, and certainly without knowing all the factors, you can't automatically assume what the cause of something is.

On a lighter note:


Snow was kicked up over the wings against the windows as the plane skidded off the runway, Clark said. “Several people were saying, ‘This is not good, this is not right.’ ”
Skidding off the runway? Left main separated from the aircraft? Dragging a wing on the ground? Yeah, I'd say that "this is not right".

EDIT:
Sorry if I come across as harsh, I don't mean to, I just hate it when people jump to conclusions based off of something that they read in an online article.

aero550 12-20-2007 05:22 AM


Originally Posted by fosters (Post 283686)
I'm just looking at the facts here:

- Ran off side of runway, not the end
- No major crosswind
- Weather itself wasn't "bad" (1 mile isn't really that bad)
- Collapsed left main gear

I'm not even sure why we even have the NTSB. All they need to do is call you guys for all the answers.:rolleyes:


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