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US EMS Helicopter Fatal Crash....Three Crew Killed

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US EMS Helicopter Fatal Crash....Three Crew Killed

Old 24th Nov 2017, 03:39
  #21 (permalink)  
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On the 76 that crashed....the glass windshield had been replaced with a lighter non-glass windscreen. As I recall there was an issue with the Testing of the replacement as well as a reduced resistance to a bird strike.

Also, the wreckage was pressure washed and much of the bird remains were removed as a result.

That was an interesting event and generated much discussion here at Rotorheads.


PHI reached a Settlement in the Civil Suits that stemmed from the crash of the S-76C that collided with the Red Tailed Hawk.

http://www.pprune.org/archive/index....56837-p-2.html

https://aviation-safety.net/wikibase/wiki.php?id=56849

Last edited by SASless; 24th Nov 2017 at 03:50.
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Old 24th Nov 2017, 03:58
  #22 (permalink)  
 
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Originally Posted by etudiant View Post
Surprised that people are unaware that birds migrate mostly at night. They use the day to feed. The nexrad radar in the US gives a ringside seat. One can watch the masses of birds take off at dusk and gradually settle in near dawn. UW-Madison Department of Atmospheric and Oceanic Sciences
Depends what sort of bird & where. Some routes they use thermals to help climb so obviously start during the morning.
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Old 30th Nov 2017, 21:58
  #23 (permalink)  
 
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From the NTSB, Preliminary Report
On November 19, 2017, about 1855 central standard time, a Bell 407 helicopter, N620PA,
impacted terrain near Stuttgart, Arkansas. The pilot and two medical crew members were
fatally injured, and the helicopter was substantially damaged. The helicopter was registered to
and operated by Air Methods under the provisions of 14 Code of Federal Regulations Part 91 as
a positioning flight. Night visual meteorological conditions prevailed for the flight, which
operated on a company visual flight rules flight plan. The flight originated from Pines Bluff,
Arkansas, and was en route to pick up a patient in Helena, Arkansas.
Residents near the accident site reported hearing a boom and seeing a fire plume. Local law
enforcement located the wreckage on private property on the bank of a reservoir. A post impact
fire consumed a majority of the fuselage. All major helicopter components were located at the
accident site. Several bird carcasses were located in the wreckage of the helicopter.
The helicopter was retained for further examination.
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Old 3rd Dec 2017, 03:42
  #24 (permalink)  
 
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NTSB: Bird carcasses found in medical helicopter wreckage
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Old 3rd Dec 2017, 09:00
  #25 (permalink)  
ATN
 
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quote: Arkansas County Sheriff Todd Wright said at the time that a witness saw the helicopter spiral out of the sky, disturbing thousands of geese to the point that "they were louder than she had ever heard before."
I don't think so, is there a possibility that the aircraft hit the birds while "spiralling down out of the sky" ?

ATN

Last edited by ATN; 3rd Dec 2017 at 09:09. Reason: add a quote from a witness
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Old 3rd Dec 2017, 15:15
  #26 (permalink)  
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ATN,

Yes, I suppose so.

Logically and statistically.....No.

The odds of having a catastrophic mechanical failure immediately followed by hitting several Geese hard enough to have them wind up inside the aircraft.....well I would think winning the Powerball Lottery has better odds.
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Old 3rd Dec 2017, 21:22
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Originally Posted by SASless View Post
ATN,

The odds of having a catastrophic mechanical failure immediately followed by hitting several Geese hard enough to have them wind up inside the aircraft.....well I would think winning the Powerball Lottery has better odds.
Exactly that.

Plus when spiralling down the forward speed and kinetic energy probably wouldn't be enough for the geese to penetrate the front screen.

It is always fascinating to which lengths people go in order to assume the weirdest possible accident scenario while there is one scenario with a 99% probability staring you right in the eyes....
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Old 8th Dec 2017, 06:24
  #28 (permalink)  
 
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Originally Posted by Helitech2316 View Post
One of the crew is from my area. The EMS community around here is devastated by the loss. Prayers for all those involved.
My youngest niece (pediatric emergency nurse for Mercy Medical Center, Des Moines, Iowa), was recently selected to join the air transport team, for emergency runs and transport runs involving children. She is thrilled - but this old ex-USMC avionics tech can't help but think about these sorts of incidents.
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