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Search: Posts Made By: Golf-Mike-Mike
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25th Apr 2014, 20:29
Replies: 11,831
Views: 24,127,546
Posted By Golf-Mike-Mike

For a few days after this was first reported, the...

For a few days after this was first reported, the media videos not only showed the chap hanging the hydrophone over the side of the boat then showing a display window with 37.5 kHz, but also another...
28th Mar 2014, 21:36
Replies: 11,831
Views: 24,127,546
Posted By Golf-Mike-Mike

Fascinating - since the net effect was a gradual...

Fascinating - since the net effect was a gradual descent, was it possible to project how far, or for how long, you would have flown in total doing all the phugoid oscillations ?
28th Mar 2014, 15:28
Replies: 11,831
Views: 24,127,546
Posted By Golf-Mike-Mike

It's fairly simple fuel endurance maths to know...

It's fairly simple fuel endurance maths to know when a helicopter could leave the 'mother ship' before the ship gets to the new search area, operate for an hour or so in the search area (guided by...
28th Mar 2014, 12:16
Replies: 11,831
Views: 24,127,546
Posted By Golf-Mike-Mike

Thanks Nigel, wouldn't it be the case though that...

Thanks Nigel, wouldn't it be the case though that they need to search at both the likely impact point (for the FDR and larger chunks of sunken debris), as well as the latest search zone for floating...
28th Mar 2014, 11:47
Replies: 11,831
Views: 24,127,546
Posted By Golf-Mike-Mike

Helicopters

I've searched for these points but with no joy. At risk of stating the obvious, it strikes me that the on-board helicopters (6 involved?) would have a better vantage point than the ships and SAR...
28th Mar 2014, 10:09
Replies: 11,831
Views: 24,127,546
Posted By Golf-Mike-Mike

@ P.J.M & NigelonDraft Thanks for the...

@ P.J.M & NigelonDraft
Thanks for the clarifications. On top of all this, while the P3s can re-locate as of their next flight, the ships are always lagging behind and travelling maybe 10-15kts (?)...
28th Mar 2014, 09:51
Replies: 11,831
Views: 24,127,546
Posted By Golf-Mike-Mike

OK looking at the chart I'm now confused, not...

OK looking at the chart I'm now confused, not that I wasn't before, the Malaysians said the team's latest modelling (incl INMARSAT, AAIB, NTSB, RR, Boeing) led them to use a higher speed and the...
26th Mar 2014, 16:08
Replies: 11,831
Views: 24,127,546
Posted By Golf-Mike-Mike

Where is the Debris

While the Australian effort has been focused on an area of 36,000 sq km, the area seen by French satellites that showed 122 objects is 400,000 sq km - that's pretty big, about the size of California.
26th Mar 2014, 15:03
Replies: 11,831
Views: 24,127,546
Posted By Golf-Mike-Mike

Ditching

I know what you're saying but it does beg the question why the safety briefing for trans-ocean flights doesn't include a caveat something like, "there's no way we can land this thing safely in the...
26th Mar 2014, 11:17
Replies: 11,831
Views: 24,127,546
Posted By Golf-Mike-Mike

Yes the Minister explained that the whole area is...

Yes the Minister explained that the whole area is shrouded in cloud and the French had done a great job in homing in on the few gaps that cropped up from time to time and then spotted the 122...
26th Mar 2014, 10:09
Replies: 11,831
Views: 24,127,546
Posted By Golf-Mike-Mike

Malaysia "Bruised" by the Press ?

Sturdy riposte to a question at the Press conference about Malaysia's future after such a "bruising" by the press, the Acting Transport Minister reminded the audience that, in an unprecedented...
25th Mar 2014, 19:18
Replies: 11,831
Views: 24,127,546
Posted By Golf-Mike-Mike

Repeated FL350 request

CNN have a 777 captain's take on what may have happened. Interesting (and entirely innocent) explanation of the repeated mention by the FO to Malaysian ATC of FL350, that it may have been a gentle...
25th Mar 2014, 09:49
Replies: 11,831
Views: 24,127,546
Posted By Golf-Mike-Mike

...hopefully the NTSB / AAIB / Malaysian / French...

...hopefully the NTSB / AAIB / Malaysian / French investigators retain open minds; for example that all comms and pilots could have been wiped out by an event as yet unknown and it flew itself to its...
24th Mar 2014, 23:06
Replies: 11,831
Views: 24,127,546
Posted By Golf-Mike-Mike

Yes, quote from AMSA press release dated 25th...

Yes, quote from AMSA press release dated 25th March..
AMSA has undertaken a risk assessment and determined that the current weather conditions would make any air and sea search activities hazardous...
24th Mar 2014, 20:10
Replies: 11,831
Views: 24,127,546
Posted By Golf-Mike-Mike

So are you saying if you compare the Doppler...

So are you saying if you compare the Doppler shift in MH370's pings, over a 7hr flight on a SSW track, with flights flying in some opposite direction, would there be no difference whatsoever ?
24th Mar 2014, 19:49
Replies: 11,831
Views: 24,127,546
Posted By Golf-Mike-Mike

Already posted that they said they went back...

Already posted that they said they went back through weeks of other Malaysian 777 flights they had data for and examined the signal for those going northbound compared to the southbound ones and saw...
24th Mar 2014, 19:21
Replies: 11,831
Views: 24,127,546
Posted By Golf-Mike-Mike

Yes that may be one obvious conclusion but...

Yes that may be one obvious conclusion but hopefully the NTSB / AAIB / Malaysian / French investigators retain open minds; for example that all comms and pilots could have been wiped out by an event...
24th Mar 2014, 18:04
Replies: 11,831
Views: 24,127,546
Posted By Golf-Mike-Mike

Because INMARSAT have also reviewed the pings...

Because INMARSAT have also reviewed the pings from other Malaysian 777s that flew northerly routes and their doppler signature was different to that received from MH370. As that rules out a...
22nd Mar 2014, 23:53
Replies: 11,831
Views: 24,127,546
Posted By Golf-Mike-Mike

Noxious gas, from somewhere as yet unknown ?

Noxious gas, from somewhere as yet unknown ?
22nd Mar 2014, 11:38
Replies: 11,831
Views: 24,127,546
Posted By Golf-Mike-Mike

Bayesian Theory that helped AF447

BBC News now carrying this easy guide to how it worked for AF447. Must admit I found this rather neat !
BBC News - MH370 Malaysia plane: How maths helped find an earlier crash...
22nd Mar 2014, 11:16
Replies: 11,831
Views: 24,127,546
Posted By Golf-Mike-Mike

Re: How Satellite Pings Work

And @Ian W
It is the INMARSAT business to ensure that these thousands of aircraft transmissions are not mixed up. So the hypothesis that they 'tracked the wrong plane' is just not supportable.
...
21st Mar 2014, 20:31
Replies: 11,831
Views: 24,127,546
Posted By Golf-Mike-Mike

Aerials

Rather than some catastrophic loss of transmitting devices (VHF/HF radios, transponder/ADS-B, ACARS etc, is there any event that could cause all the relevant aerials to become inop, for eg does their...
21st Mar 2014, 20:10
Replies: 11,831
Views: 24,127,546
Posted By Golf-Mike-Mike

Thanks for clearing that up, I knew about the...

Thanks for clearing that up, I knew about the Poseidon capability and saw the first post about AMSA Orions, I missed the second
21st Mar 2014, 18:33
Replies: 11,831
Views: 24,127,546
Posted By Golf-Mike-Mike

In-flight re-fuelling

I haven't seen anyone post the other gem from today's press conference when a reporter asked if the SAR aircraft were being air refuelled, where that was technically possible, and had they asked the...
21st Mar 2014, 18:12
Replies: 11,831
Views: 24,127,546
Posted By Golf-Mike-Mike

The other explanation for prioritising the...

The other explanation for prioritising the southern arc was that a northerly route would have taken it over several countries' radar systems that - as yet - have drawn a blank. But I guess they may...
21st Mar 2014, 10:11
Replies: 11,831
Views: 24,127,546
Posted By Golf-Mike-Mike

Press conference / INMARSAT data / last radio call

Further clarification today from the Malaysian authorities that the data came in from INMARSAT but was sent to and from the US and the investigation team twice for further processing and then...
21st Mar 2014, 09:16
Replies: 11,831
Views: 24,127,546
Posted By Golf-Mike-Mike

Now I'm puzzled, why are ELTs activated on...

Now I'm puzzled, why are ELTs activated on contact with water then? Given 71% of the earth's surface is water there's a good chance you need ELTs to transmit from or through water isn't there? And...
20th Mar 2014, 17:27
Replies: 11,831
Views: 24,127,546
Posted By Golf-Mike-Mike

INMARSAT

Just reported on UK BBC News, Inmarsat apparently gone public with the view that:
(a) they are surprised that the search continued in the S China Sea after last Wednesday, 8 days ago, when they sent...
19th Mar 2014, 10:40
Replies: 11,831
Views: 24,127,546
Posted By Golf-Mike-Mike

I think the pictures of the authorities...

I think the pictures of the authorities man-handling family members back into the hotel room, where they're effectively held under house arrest, is rather more disturbing
18th Mar 2014, 10:56
Replies: 11,831
Views: 24,127,546
Posted By Golf-Mike-Mike

Press Conference

"Up until the point at which it left primary military radar coverage, the aircraft's movements were consistent with deliberate action by someone on the plane".

They always emphasise the deliberate...
18th Mar 2014, 10:35
Replies: 11,831
Views: 24,127,546
Posted By Golf-Mike-Mike

The last part of the French question was the only...

The last part of the French question was the only one I could make out, "Do you have protection", presumably alluding to the personal risks of being the acting Transport Minister at the moment as...
18th Mar 2014, 08:21
Replies: 11,831
Views: 24,127,546
Posted By Golf-Mike-Mike

Maybe you're missing the point - it's what he...

Maybe you're missing the point - it's what he said in reply (and what they said to him at that point that prompted his response) that we're interested in. Would you not readback the frequency and...
17th Mar 2014, 22:14
Replies: 11,831
Views: 24,127,546
Posted By Golf-Mike-Mike

"Roger That" / "All right, Good night"

Maybe a journalist at the next press conference could clarify these rather informal (and in the second case, nonstandard) radio transmissions:
- did they both happen, they have both been variously...
17th Mar 2014, 12:50
Replies: 11,831
Views: 24,127,546
Posted By Golf-Mike-Mike

Except (I understand) they have primary radar...

Except (I understand) they have primary radar "confirmation" of a north-easterly course after the westbound one (ie IGARI - VAMPI - GIVAL ....)
17th Mar 2014, 12:41
Replies: 11,831
Views: 24,127,546
Posted By Golf-Mike-Mike

Thanks for setting me right. Good, measured press...

Thanks for setting me right. Good, measured press release by them, worth others reading :)
Showing results 1 to 35 of 56
 


 
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