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Search: Posts Made By: Ian W
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9th Mar 2015, 13:08
Replies: 11,831
Views: 23,852,441
Posted By Ian W

In a standard hand over the releasing controller...

In a standard hand over the releasing controller contacts the assuming controller says that there is an aircraft to be handed over then identifies the aircraft to the assuming controller
The...
8th Mar 2015, 21:29
Replies: 11,831
Views: 23,852,441
Posted By Ian W

Understandable that you would react immedately...

Understandable that you would react immedately Portmanteau, you work with synthetic mosaiced or multi-sensor tracker integrated surveillance systems with coasting track infilling. It is not likely...
8th Mar 2015, 13:58
Replies: 11,831
Views: 23,852,441
Posted By Ian W

Yes why not blame the controllers for not...

Yes why not blame the controllers for not responding immediately to a routine event as if it was an emergency.

All controllers have had aircraft handed to them that do not call. It is not a...
8th Mar 2015, 13:41
Replies: 11,831
Views: 23,852,441
Posted By Ian W

A flight at a constant speed South on autopilot...

A flight at a constant speed South on autopilot fits the INMARSAT data. Data which as you say probably nobody in the world knew was available.

The alternatives, orbits crossing the distance ring...
8th Mar 2015, 00:11
Replies: 11,831
Views: 23,852,441
Posted By Ian W

There are not that many permutations with the...

There are not that many permutations with the aircraft out of fuel when it was. From my understanding the INMARSAT team did do comparison/validation with other aircraft flying in the area and that...
7th Mar 2015, 09:20
Replies: 11,831
Views: 23,852,441
Posted By Ian W

The Doppler tracing and tracking carried out by...

The Doppler tracing and tracking carried out by INMARSAT on the SATCOM signals plus validation testing against other aircraft would put the aircraft in the area being searched. It is not possible...
5th Mar 2015, 23:34
Replies: 11,831
Views: 23,852,441
Posted By Ian W

But ADS-C (Automatic Dependent Surveilance -...

But ADS-C (Automatic Dependent Surveilance - Contract) is addressable SATCOM, with up to 5 contracts that can be held concurrently. So you could have a contract with any agency worldwide, including...
4th Mar 2015, 12:22
Replies: 11,831
Views: 23,852,441
Posted By Ian W

I don't see that there is any "load on the ATC...

I don't see that there is any "load on the ATC system" If you want to fly one of the more popular tracks on the North Atlantic under the Reduced Longitudinal Separation Method, you will be reporting...
1st Mar 2015, 23:36
Replies: 11,831
Views: 23,852,441
Posted By Ian W

Yes ADS-C is part of Future Air Navigation System...

Yes ADS-C is part of Future Air Navigation System 1/A (FANS 1/A) that also includes CPDLC and ACARS. The system was put into use initially by Boeing in the late 1980's so it has been around for...
13th Feb 2015, 17:32
Replies: 11,831
Views: 23,852,441
Posted By Ian W

The 'landing' in the Hudson was a ditching with...

The 'landing' in the Hudson was a ditching with significant g as the engines went into the water.

The reasons for the ELT's failing - broken antenna, going underwater etc are well known. So now...
12th Feb 2015, 15:16
Replies: 11,831
Views: 23,852,441
Posted By Ian W

At the same time, it would be really good to have...

At the same time, it would be really good to have ELT's that worked. They have almost a zero success rate.
11th Feb 2015, 15:34
Replies: 11,831
Views: 23,852,441
Posted By Ian W

Except that the ADS-B transmitters were switched...

Except that the ADS-B transmitters were switched off by whoever was in the cockpit of MH370. There were arguments about switched off/failed but the net result was they stopped Mode-S and secondary...
21st Jan 2015, 09:43
Replies: 11,831
Views: 23,852,441
Posted By Ian W

In the article it says: Then proceeds...

In the article it says:



Then proceeds to show an animated gif of an ocean model that shows precisely that the main landfall could be north to the southern coast of Indonesia.

The article...
20th Jan 2015, 10:46
Replies: 11,831
Views: 23,852,441
Posted By Ian W

People do not understand how extremely large the...

People do not understand how extremely large the world is. The West Australia coast is around the same as if there were a coastline from Galveston running all the way around to Seattle. The State...
29th Oct 2014, 15:00
Replies: 11,831
Views: 23,852,441
Posted By Ian W

Then don't forget getting authorization to...

Then don't forget getting authorization to release the data and getting the report that was being handed over double checked by lawyers that nothing was going out that would be detrimental to...
13th Oct 2014, 00:55
Replies: 11,831
Views: 23,852,441
Posted By Ian W

As with a lot of things on this hamster wheel,...

As with a lot of things on this hamster wheel, they have been discussed before. There were a lot of assumptions made to come up with a flight profile based on claims (unverified) that military radar...
25th Sep 2014, 19:15
Replies: 11,831
Views: 23,852,441
Posted By Ian W

ELT's were discussed way back in the thread. The...

ELT's were discussed way back in the thread. The C5 I think had a jettisonable ELT on the tail fin. The ones in current commercial aircraft tend to be fixed in the fuselage, or on life rafts or...
25th Sep 2014, 13:02
Replies: 11,831
Views: 23,852,441
Posted By Ian W

The main problem with the MH370 disappearance was...

The main problem with the MH370 disappearance was that the response to a missing aircraft has not altered for years. Aircraft overdue action is only legitimate once the aircraft is overdue at...
12th Sep 2014, 15:36
Replies: 11,831
Views: 23,852,441
Posted By Ian W

There was a significant discussion on CVR/DFDR...

There was a significant discussion on CVR/DFDR batteries several eons ago on this thread. Not only that but on the choice of frequency, the lack of modulation of the ping with an aircraft ID or last...
11th Sep 2014, 18:57
Replies: 11,831
Views: 23,852,441
Posted By Ian W

UA93 was in an area (sort box) that was only...

UA93 was in an area (sort box) that was only secondary radar so disappeared. Continual tracking would have enabled some kind of fighter response - whether that would have saved anyone nobody can...
11th Aug 2014, 16:13
Replies: 11,831
Views: 23,852,441
Posted By Ian W

Invited to speculate - that's got to be 50% of...

Invited to speculate - that's got to be 50% of this thread... :8

However, look at what happened to the Asiana 777 which hit a sea wall then pirouetted on its nose down the runway then belly...
21st Jul 2014, 11:07
Replies: 11,831
Views: 23,852,441
Posted By Ian W

Before the hamster wheel spins up again - this...

Before the hamster wheel spins up again - this was all discussed earlier in the thread and discounted.

The engine health monitoring to Rolls Royce and the aircraft health monitoring to Boeing via...
16th Jul 2014, 15:18
Replies: 11,831
Views: 23,852,441
Posted By Ian W

I am wondering what other people think about the...

I am wondering what other people think about the involvement of the ITU when the ICAO, RTCA, EASA, ARINC/SITA INMARSAT/Iridium, are already heavily involved and have experience of aviation...
16th Jul 2014, 15:17
Replies: 11,831
Views: 23,852,441
Posted By Ian W

ITU involvement in Aircraft Tracking

ITU to assist in real-time monitoring of flight data

ITU Membership calls for development of standards for aviation cloud

Geneva, 25 June 2014 – ITU has established a new Focus Group on ...
15th Jul 2014, 14:38
Replies: 11,831
Views: 23,852,441
Posted By Ian W

From way back in the thread. Malaysian...

From way back in the thread.
Malaysian Airways did not subscribe to Rolls Royce or Boeing health monitoring. ACARS was set up to only operate over VHF and the only INMARSAT subscription that the...
14th Jul 2014, 13:25
Replies: 11,831
Views: 23,852,441
Posted By Ian W

Both INMARSAT and Iridium (with their Next...

Both INMARSAT and Iridium (with their Next constellation) were in the process of increasing their available bandwidth before MH370. Both will be providing broadband links to their customers in the...
12th Jul 2014, 17:14
Replies: 11,831
Views: 23,852,441
Posted By Ian W

ACARS was only licensed and activated on VHF by...

ACARS was only licensed and activated on VHF by the Malaysians it was not linked to INMARSAT SATCOM or to Boeing or Rolls Royce health monitoring. So the ACARS logon/logoff would be an ARINC/SITA...
12th Jul 2014, 09:58
Replies: 11,831
Views: 23,852,441
Posted By Ian W

Swiss Air 111 was able to communicate until the...

Swiss Air 111 was able to communicate until the very last minutes. Had they not delayed to dump fuel on a relatively standard approach procedure and instead made an immediate emergency descent and...
11th Jul 2014, 19:16
Replies: 11,831
Views: 23,852,441
Posted By Ian W

I do not know if the ACARS logs have been made...

I do not know if the ACARS logs have been made available. But the ARINC 620 datalink specification has a 'logon/logoff' protocol. If the ACARS 'failed' or had its CB pulled, then there would be no...
5th Jul 2014, 20:32
Replies: 11,831
Views: 23,852,441
Posted By Ian W

The SATCOM logon has the equivalent of a hardware...

The SATCOM logon has the equivalent of a hardware MAC Address that is specific to that airframe. The range ring for the logon passed through the last radar reponse location +/- 3 miinutes to the...
28th Jun 2014, 10:02
Replies: 11,831
Views: 23,852,441
Posted By Ian W

SD cards and similar solid state storage are...

SD cards and similar solid state storage are close on impossible to erase/destroy apart from being burnt. Data has even been recovered from SD cards that have had nails driven through them.

The...
27th Jun 2014, 22:31
Replies: 11,831
Views: 23,852,441
Posted By Ian W

Precisely. I would expect: Quite a lot of...

Precisely. I would expect:

Quite a lot of information from pax cell phones - especially if panic broke out by the cockpit door.
A full DFDR which would provide all the information necessary...
25th Jun 2014, 22:20
Replies: 11,831
Views: 23,852,441
Posted By Ian W

The French BEA report on AF447 - a similar case...

The French BEA report on AF447 - a similar case of an aircraft in open sea which was very difficult to find - made the recommendation that the periodic updates from ADS-C should be at closer...
25th Jun 2014, 14:14
Replies: 11,831
Views: 23,852,441
Posted By Ian W

Perhaps the issue of who pays should be given...

Perhaps the issue of who pays should be given more priority in the discussions that are currently in progress in the pan-national aviation organizations that are all coming up with various...
24th Jun 2014, 13:39
Replies: 11,831
Views: 23,852,441
Posted By Ian W

There is a major issue here, that professional...

There is a major issue here, that professional pilots need to take note of. That is the level of trust that people feel that they can put in the flight crew that have locked themselves away in the...
Showing results 1 to 35 of 166
 


 
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