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AW139 Crash in Bahamas - 7 Killed

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AW139 Crash in Bahamas - 7 Killed

Old 8th Jul 2019, 17:30
  #141 (permalink)  
 
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From the Bahamas AAID Facebook page:

The AAID has delegated the investigation of this accident to the National Transportation Safety Board (NTSB) n the USA. Going forward all questions or concerns are to be directed there. Mr. Timothy Monville is now the Investigator in Charge.
All further updates will be given by the NTSB.
July 8, 2019
The Flight and data recorders (Blackbox) for the helicopter have been shipped to the National Transportation Safety Board in Washington DC, USA for analysis.
Investigators currently on site documenting wreckage to determine the complete craft was recovered.
No new time when an update will be given.


https://www.facebook.com/baaid.mota/
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Old 8th Jul 2019, 17:52
  #142 (permalink)  
 
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Originally Posted by havick
I doubt the NTSB will even look at it being part 91 and in a different country.
Here's a series of USA Today articles on the NTSB's handling of high profile investigations involving public figures:

https://www.usatoday.com/story/news/...tims/70053950/
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Old 8th Jul 2019, 18:02
  #143 (permalink)  
 
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Originally Posted by JohnDixson
Does the fact that the pics show the main rotor head and blades completely gone, and the tail completely gone, generate any other thoughts?
I don’t think the head is missing - you can see the drag dampers still attached. Strange there are no torn blade roots though.

Interesting that G-LABL has been mentioned because the previous Haughey accident (G-HAUG) shared something with this one - nobody knew it was missing until the next day!
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Old 8th Jul 2019, 18:03
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I shall ask a rhetorical question here......it is based upon a previous question that was asked about the Floats on the accident aircraft and the reply...that there might not. have been any installed. (We do not know if there were or were not.)

If it is discovered there were no floats installed....and had been removed for some unknown reason....what other deficiencies existed in the aircraft systems, equipment, procedures, and policies?

Very quickly....I can see the case for a very thorough FAA Investigation of that Operator....should there be no floats installed.

That would turn out very ugly in short order I would bet.

Disclaimer: Until we learn of the existence and serviceability of the float system....this is all supposition.


212Man.....just like a Bristow Bell 412 Crash in Nigeria as I recall....the one that did the Texaco Casevac into Port Harcourt and was not known to be missing until the Hospital began to inquire of the whereabouts of the patient they had been told to be ready to receive.
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Old 8th Jul 2019, 18:05
  #145 (permalink)  
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The most pertinent post so far. A medical emergency at 0200 on a remote island. The crew may have been on standby (they may have been in bed asleep for all we know at this point), but asleep or wide awake I doubt they were expecting to be asked to fly at this hour. What a difficult position for a pilot to be in.
Taken from post #74!

The night before, me and my brother-in-law, we watched the chopper come in,” McIntosh told The Guardian yesterday.

We watched it land and in about half an hour it [went] back up.

“As it [went] back up, it didn’t get very high. It went up and in about five minutes it just ‘boop’.
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Old 8th Jul 2019, 18:26
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Originally Posted by 206Fan
Taken from post #74!

Ok, well, uhh, I must be missing something....not sure what your point is with the eyewitness quote.
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Old 8th Jul 2019, 18:39
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@206Fan
If the NTSB report concludes "it just boop" it will be a fine report indeed.

I am interested to learn where the tail pylon is. Hopefuly that will become clear shortly, and they just haven't pulled it out of the ocean yet.
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Old 8th Jul 2019, 18:53
  #148 (permalink)  
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Ok, well, uhh, I must be missing something....not sure what your point is with the eyewitness quote.
Thomas, I was just stating from the eyewitness account that the aircraft landed thirty minutes prior to departing again, so the pilot(s) most likely weren't asleep!

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Last edited by 206Fan; 8th Jul 2019 at 19:23.
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Old 8th Jul 2019, 18:55
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Old 8th Jul 2019, 18:56
  #150 (permalink)  
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(from an outsider) One aspect of humans is that: The more money they get, the more likely they are to forget where they came from and the nature of being an employee. Note I say 'likely' not all. They can quickly get used to having things at their disposal and believing that they know the correct solution - after all is that not how they became successful and wealthy?

It may well be that the option of local medical support whilst the patient was stabilised was not fully considered and the rush to 'home' in the USA began. If it turns out that no flight plan was filed, that would indicate heavy pressure to 'fix it on the run'.

No surprise that Bahamas handed this off. They do not want to be the ones to find fault with an American of influence.
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Old 8th Jul 2019, 19:03
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Originally Posted by 206Fan
Thomas, I was just stating from the eyewitness account that the aircraft landed thirty minutes prior to departing again, so the pilots most likely weren't asleep!

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My point was that they were not expecting a middle-of-the-night emergency flight. And they could have been awakened to reposition the ship to the house or wherever the pick-up point was. It was certainly after midnight when all this took place...unless they departed FL to go get the pax.
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Old 8th Jul 2019, 20:32
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Not sure why the investigation would be "delegated" to the NTSB by Bahamas since it's a US-registered aircraft. I would think if an N-numbered helicopter crashed in Cairo the NTSB would lead the investigation. Maybe I'm wrong.....
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Old 8th Jul 2019, 21:05
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If you are experienced and current on black-hole helipad departures it is a purely mechanical exercise, more so with a 139 that will transition easily to forward flight without loss of altitude. From the hover all references are on your panel with sequential power and attitude changes. Has been done safely for years even in helicopters with no AFCS at all. We’d practise engine failures before and after rotation from a night helideck at the 139 sim every year.

With the impact damage seen, flotation isn’t especially relevant. Except as a disparaging comment on aircraft management if it wasn’t there. Pretty sure the previous owner had floats and Phase4 - noooby? Under Part 91 I don’t know what is required in addition to life jackets on board for all occupants. I’d insist on floats and rafts for a 150nm overwater trip with passengers, but that’s just me.

We don’t know where the aircraft was hiding out prior to landing to pick up passengers at 2am. Entry and exit from the Bahamas has to be from an AOE, closest would be Nassau. Was it headed for KFLL (24 hr customs) direct or via MYNN? If I’m departing from a remote location in the US or Canada I ask for an “assumed departure” when I file a flight plan - that way my flight plan opens automatically, even if I were to crash on takeoff.
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Old 8th Jul 2019, 22:10
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Originally Posted by Thomascoupling
Not sure why the investigation would be "delegated" to the NTSB by Bahamas since it's a US-registered aircraft....
ICAO ANNEX 13 refers. The State of occurrence is responsible for all aircraft accident investigations. They can delegate to a different State should they so wish.

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Old 8th Jul 2019, 22:17
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Originally Posted by gulliBell
ICAO ANNEX 13 refers. The State of occurrence is responsible for all aircraft accident investigations. They can delegate to a different State should they so wish.
Got it. I stand corrected. Read 49 CFR...the Country/State of the accident unless in international waters.
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Old 8th Jul 2019, 22:50
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I don’t think the head is missing - you can see the drag dampers still attached. Strange there are no torn blade roots though.

You're right !! On the above pictures, there is no sign of the blades at all, even the rod end of the Damper has torn off taking any part of the blade & that claw fitting with it. Very strange. It's almost like the inner blade root hub has cracked, and failed under high loads in translational flight, letting the blades go, leaving just the inner hub ring where the dampers attach to? A weird one if you just analyse the pictures..........
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Old 8th Jul 2019, 23:40
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Originally Posted by Thomascoupling
Not sure why the investigation would be "delegated" to the NTSB by Bahamas since it's a US-registered aircraft. I would think if an N-numbered helicopter crashed in Cairo the NTSB would lead the investigation. Maybe I'm wrong.....
TC,

There have been a few crashes in the UK with N-Registered aircraft that were not investigated by the NTSB, probably because of the nationality of those involved or owning the aircraft. I guess things could get complicated if an aircraft, regardless of its country of registration, is owned by a secretive off shore company.
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Old 9th Jul 2019, 00:40
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Is that a pelican size hole in the pilots windshield?


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Old 9th Jul 2019, 00:40
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Much better pics. I’m looking for the upper attachment of the two rotating scissors-anyone see them?
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Old 9th Jul 2019, 01:22
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Originally Posted by gulliBell
Is that a pelican size hole in the pilots windshield?



No, that is an acrylic windshield that has deformed, probably due to huge hydraulic (sea water) loads on it.
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