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SAR S-92 Missing Ireland

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Old 2nd Apr 2017, 19:37
  #701 (permalink)  
 
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Originally Posted by rotorspeed
Mitchaa
I'm really struggling to think why a standard approach to Blacksod would be via Blackrock, as you say you think happened. If it was good VFR you'd not need the Blackrock light as you'd have Blacksod. And if you were IFR why choose a rock to pass over that was 300ft higher than anything else within several miles? It's not as if it had a VOR or NDB on it. Seems a bit of a stretch to think it was perhaps because you could identify it on radar better than anywhere closer. And then surely backed up GPS would be more reliable anyway? Ideas - anyone?
If you look at past tracks of R118 to Blacksod, maybe it will indicate a standard approach.
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Old 2nd Apr 2017, 19:38
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The fuselage has now been lifted and is on board the Granuaille. No sign of the missing crew.

Wreckage of Coast Guard helicopter R116 lifted from sea
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Old 2nd Apr 2017, 19:45
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Originally Posted by Mitchaa
HC, from what I hear from from a few friends of mine, not just a Bristows issue, quite a few delayed flights being reported from the hummingbirds with HUMS test flights being the reason.

Bristows and Scotia use the new SGBA software and as far as I'm aware, Babcock use the old software (and limited to 3FH downloads) - There may be a few bugs in the new Software if it's 2 out of the 3 that are having problems with HUMS delays.
Babcock limited to 3FH, really? Someone better tell them!!!
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Old 2nd Apr 2017, 19:46
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Originally Posted by Mitchaa
HC, from what I hear from from a few friends of mine, not just a Bristows issue, quite a few delayed flights being reported from the hummingbirds with HUMS test flights being the reason.

Bristows and Scotia use the new SGBA software and as far as I'm aware, Babcock use the old software (and limited to 3FH downloads) - There may be a few bugs in the new Software if it's 2 out of the 3 that are having problems with HUMS delays.
Thanks for corroborating, there didn't seem any reason for my engineer chum to be making it up. Although not really relevant to this accident, I suppose.
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Old 2nd Apr 2017, 20:06
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With SGBA and a temperature plug you've got 10 hours. I cannot believe anyone on the North Sea doesn't have both by now.
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Old 2nd Apr 2017, 20:08
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Originally Posted by Sanus
With SGBA and a temperature plug you've got 10 hours. I cannot believe anyone on the North Sea doesn't have both by now.
Correct
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Old 2nd Apr 2017, 20:15
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Originally Posted by Mitchaa
Interesting to know Sanus, i wasn't aware of that.

To be fair, 6FH in the North Sea environment is probably enough anyway, I can't think of any occasions where the aircraft would need more than 6FH between downloads?
I believe all operators are working to 6 hours.
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Old 2nd Apr 2017, 22:19
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Just to clarify. SGBA and temp plug give you 10hrs max between TRPCS visual (borescope) inspections but do not lift the 6hr HUMS download requirement.
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Old 2nd Apr 2017, 22:35
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Originally Posted by Red5ive
If you look at past tracks of R118 to Blacksod, maybe it will indicate a standard approach.
Where do you find those past tracks?
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Old 2nd Apr 2017, 23:14
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Originally Posted by cncpc
Where do you find those past tracks?
Marine Traffic, might need paid account to access all data you want
https://www.marinetraffic.com/en/ais...:SAR_250002902


‘Deep disappointment’ at failure to find missing Rescue 116 airmen
https://www.irishtimes.com/news/irel...rmen-1.3034179
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Old 3rd Apr 2017, 11:11
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The wreckage of the Irish Coast Guard helicopter which crashed last month has been recovered from the sea.
Dive teams still haven't managed to locate the two missing crew members, Ciaran Smith and Paul Ormsby, but searchers say they won't give up.
The Irish Coast Guard's Gerard O'Flynn says the fuselage from Rescue 116 has now been lifted on board the Irish Lights' vessel the Granuaile.
that was picked up by a tug, by a company based in Bere Island in Cork. They were working with us over the last day or two.
"It's been transferred onto the Granuaile and is now in the custody of the Air Accident Investigation Unit and they will determine it's final location to facilitate their own investigation," he said.
Addressing the media after last night's operation, Jurgen Whyte from the Air Accident Investigation Unit said lifting the wreckage was a difficult and hazardous operation, which required special skills.
"What we did actually retrieve is the rotor head, the main gearbox, one engine, and associated wreckage around that.
"It was what we expected to lift. The lifting was a really extreme and hazardous environment and I really have to compliment all the people that were involved," he said




The Granuaile arrives back into Blacksod, Co. Mayo, Ireland, with wreckage from Coastguard helicopter Rescue 116 onboard. Photo: Brian Lawless/PA Wire
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Old 3rd Apr 2017, 11:35
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Track and altitude

Red5ive, track is depicted on post #105.
For me, outbound track is commensurate with an attempted let-down around Blackrock.
I would go with that rather than a turnback from a track out to the vessel.
Haven't seen anyone come back with info on vessel location either.

Mitchaa, I haven't seen altitudes published, what is your source?
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Old 3rd Apr 2017, 12:03
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What is the current status of the irish SAR system? Up to this sad event there were 4 bases with 5 helicopter, so one spare aircraft. Will they get another S92 in short notice to cope for AOG?

skadi
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Old 3rd Apr 2017, 12:14
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Originally Posted by Loquatious
Red5ive, track is depicted on post #105.
For me, outbound track is commensurate with an attempted let-down around Blackrock.
I would go with that rather than a turnback from a track out to the vessel.
Haven't seen anyone come back with info on vessel location either.
cncpc was looking for the Blacksod approach that they normally do.
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Old 3rd Apr 2017, 12:16
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There will be no shortage of secondhand high spec SAR aircraft in a nearby territory during the next 16 months.
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Old 3rd Apr 2017, 12:50
  #716 (permalink)  
 
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Ah yes, isn't one flight having to give up S-92 in favour of the contracted AW189?
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Old 3rd Apr 2017, 13:50
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Two flights.

Two AW139 from CHC at Lee stood down a few days ago. Another from Portland shortly. In the Bristow stand-in fleet there are four S-92A and four A139. In some cases there will be a bit of musical chairs going on internally. Also, none of this is really news, so some in the industry may have had their eye on these for a while. I would still expect these changes to generate opportunities for a fleet seeking to fill a gap.
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Old 3rd Apr 2017, 14:01
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Originally Posted by Red5ive
cncpc was looking for the Blacksod approach that they normally do.
Yes, that is one thing, however it seems that at Dublin departure the aircraft was outbound direct the vessel. If that is true, then it is coincidence that Blackrock was below the track. Given the considerable head start R118 had out of Sligo, R116 stopping at Blacksod to refuel would have placed it far behind R118 and the top cover intent would at best have meant a com link as R118 returned.

At some point, it is apparent that neither R116 or Shannon relay attempts can raise R118 and the intention then becomes to land at Blacksod. There seems to be some evidence that that convo with Shannon took place at some time from crossing the Achill shore outbound to around Blackrock. Followed by the change in plan to go in and fuel at Blacksod, and the turn.

At that same point, there is a reprogramming of the FMS. Assuming an approach briefing.

Or they never intended to go direct the ship, and that was the approach to Blacksod. I'm one of those who find it hard to comprehend why an approach with a letdown would have a 300 foot rock in it at all, given that there was a whole ocean out there with nothing to hit.

The last heading does seem to point pretty well into the middle of Blacksod Bay.

Hopefully the CVR will clarify most of this.
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Old 4th Apr 2017, 11:52
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The missing crew members is awful news for their families. I wonder if Mark tried to keep some minimum of control whilst ordering the others to jump clear.

Here in Ireland the crew and their families remain very much in everybody's thoughts.
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Old 4th Apr 2017, 12:12
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Originally Posted by PC767
...I wonder if Mark tried to keep some minimum of control whilst ordering the others to jump clear..
No chance. Once the tail rotor suddenly departs the scene, especially at night, and when you're that close to the ground, everybody becomes a passenger. There would have been no plan or action to jump clear. They weren't even able to get out an emergency radio call things happened so quickly.
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