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Search: Posts Made By: GarageYears
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8th May 2014, 12:49
Replies: 11,831
Views: 24,181,729
Posted By GarageYears

Well, if the point was to validate the satellite...

Well, if the point was to validate the satellite track data then the simulator is of absolutely no use at all is it and I believe that was the point of this particular suggestion.
31st Mar 2014, 15:42
Replies: 11,831
Views: 24,181,729
Posted By GarageYears

I think we can pretty safely assume the existence...

I think we can pretty safely assume the existence of the satellite system 'pings' was a fine-print detail that was entirely unexpected/unknown at the time of the incident (no matter what the cause) -...
27th Mar 2014, 17:01
Replies: 11,831
Views: 24,181,729
Posted By GarageYears

Why would a submarine care about relatively small...

Why would a submarine care about relatively small pieces of <something> floating on or close to the surface?

I think some here have been watching too many WWII sub movies or something. The use of...
25th Mar 2014, 16:33
Replies: 11,831
Views: 24,181,729
Posted By GarageYears

Given there were no other ACARS messages in the...

Given there were no other ACARS messages in the preceding 6 hours, it seems a given that the ACARS reporting system was disabled. It seems far more likely that the 08.19 partial handshake was the...
23rd Mar 2014, 15:49
Replies: 11,831
Views: 24,181,729
Posted By GarageYears

Yes, they do go into standby as soon as the code...

Yes, they do go into standby as soon as the code selector knobs or buttons are active. In the case of the keypad, it releases as soon as the 4th digit is entered, and the rotary has a 3-5 sec timeout.
22nd Mar 2014, 18:32
Replies: 11,831
Views: 24,181,729
Posted By GarageYears

Collectively the ping arcs provide the "possible" track

Each time the ping occurred it defined a possible arc (i.e. the aircraft is somewhere on that arc? Right we've all got that?

The next ping will give us another arc, the difference between arcs...
22nd Mar 2014, 02:40
Replies: 11,831
Views: 24,181,729
Posted By GarageYears

Transcript...

Look, the transcript is clearly identified as a Mandarin translation of an English transcript, that has then been translated BACK to English... what the heck do you expect, eh? :mad:

Obviously we...
21st Mar 2014, 16:42
Replies: 11,831
Views: 24,181,729
Posted By GarageYears

I think some are getting confused between the...

I think some are getting confused between the INMARSAT link and ACARS... there isn't one, except if you pay for a certain service the SAT link will carry ACARS data.

REMEMBER folks the SAT...
21st Mar 2014, 12:55
Replies: 11,831
Views: 24,181,729
Posted By GarageYears

Quick question: Are the Aussie P3s equipped for...

Quick question: Are the Aussie P3s equipped for AAR?

The US P-8 is, but uses the flying boom type per US standard practice. If the answer is affirmative for the P-3s I assume they are...
21st Mar 2014, 12:48
Replies: 11,831
Views: 24,181,729
Posted By GarageYears

[B] (a) Yes - it records continuously. The...

[B]

(a) Yes - it records continuously. The aircraft sounds are just as important as voice input. Typically there are 4 tracks - cockpit area mic, Capt mic, FO mic and I think 3rd Crew mic?

(b)...
21st Mar 2014, 00:19
Replies: 11,831
Views: 24,181,729
Posted By GarageYears

Yes, this is all very nice and all that but you...

Yes, this is all very nice and all that but you must meet the following:

Number of channels ................. 4
Impact tolerance ...................... 3400 Gs /6.5ms
Fire resistance...
20th Mar 2014, 22:19
Replies: 11,831
Views: 24,181,729
Posted By GarageYears

The CVR can't be "undeleted" or recovered because...

The CVR can't be "undeleted" or recovered because the data overwrites the previous in a circular buffer sort of arrangement. You can only recover data from a hard drive if it hasn't been written over...
20th Mar 2014, 19:32
Replies: 11,831
Views: 24,181,729
Posted By GarageYears

:D Was thinking the same thing last night......

:D Was thinking the same thing last night... perhaps we could get some lads with binoculars to stand on the loading ramp of an A400M transport... I lost track whether any have been delivered to date,...
20th Mar 2014, 00:49
Replies: 11,831
Views: 24,181,729
Posted By GarageYears

There is no second satellite. There is only one...

There is no second satellite. There is only one INMARSAT satellite that picked up the pings. They have used the response time delay to determine the distance only and that is relatively imprecise.
...
20th Mar 2014, 00:11
Replies: 11,831
Views: 24,181,729
Posted By GarageYears

@ ExSp33db1rd

The current generation of transponder control heads use push-buttons to enter the code, so the code does not 'change' until the fourth and final digit is entered. The older rotary controls would of...
19th Mar 2014, 23:37
Replies: 11,831
Views: 24,181,729
Posted By GarageYears

It does not send a report if shutdown as...

It does not send a report if shutdown as described above. There is no magic here, the system simply uses the same set of radios as voice comms - think of it as a fancy modem (remember them?), that...
19th Mar 2014, 23:14
Replies: 11,831
Views: 24,181,729
Posted By GarageYears

@ Interested Party - RUBBISH...

:rolleyes: Really.... try MFD > COMM > MANAGER > ACARS

Four clicks and ACARS is OFF

:mad:

(to clarify - this does NOT turn off the transceiver, since ACARS is simply a SOURCE for the...
19th Mar 2014, 01:04
Replies: 11,831
Views: 24,181,729
Posted By GarageYears

The problem with this though is it conveniently...

The problem with this though is it conveniently ignores some parts of the data that just don't fit. Such as the voice radio transmission sector change acknowledgement AFTER the transponder was...
19th Mar 2014, 00:56
Replies: 11,831
Views: 24,181,729
Posted By GarageYears

Ah, thanks for the confirmation. Right, so...

Ah, thanks for the confirmation.

Right, so that puts to bed the occasional "well-if-they-aren't subscribed to Boeing's data monitoring... why does the satellite ping them" comment I've seen. The...
18th Mar 2014, 21:44
Replies: 11,831
Views: 24,181,729
Posted By GarageYears

Re-post: SATCOM for voice?

I keep seeing questions related to why the SATCOM system was sent pings, etc, and discussion related to ACARS use, MAS subscription to the ACARS reporting service to Boeing (or not), but isn't it...
18th Mar 2014, 20:00
Replies: 11,831
Views: 24,181,729
Posted By GarageYears

SATCOM for voice also?

I keep seeing questions related to why the SATCOM system was sent pings, etc, and discussion related to ACARS use, MAS subscription to the ACARS reporting service to Boeing (or not), but isn't it...
18th Mar 2014, 18:58
Replies: 11,831
Views: 24,181,729
Posted By GarageYears

Well, I don't know where on that arc that ping...

Well, I don't know where on that arc that ping occurred... the furthest they went along that arc is defined by max speed from the last recorded point on the radar trace, limited only by fuel load.
18th Mar 2014, 18:19
Replies: 11,831
Views: 24,181,729
Posted By GarageYears

One very important piece of data I haven't seen...

One very important piece of data I haven't seen *confirmed* is the aircraft fuel load. Obviously this dictates range. I believe MAS stated the loaded was "normal" and no "extra fuel" was loaded, but...
18th Mar 2014, 14:32
Replies: 11,831
Views: 24,181,729
Posted By GarageYears

OK, the arcs define the possible location based...

OK, the arcs define the possible location based on the SATCOM ping, but they are also limited by other factors based on maximum range based on fuel load and minimum airspeed range. We have a last...
18th Mar 2014, 03:33
Replies: 11,831
Views: 24,181,729
Posted By GarageYears

Once more the lowdown on SATCOM

Please read the following for a very clear and understandable explanation of the INMARSAT <> aircraft linkage:

TMF Associates MSS blog » Understanding ?satellite pings??...
17th Mar 2014, 21:58
Replies: 11,831
Views: 24,181,729
Posted By GarageYears

:{ Oh Dear God :ugh: Now planes apparently...

:{ Oh Dear God :ugh:

Now planes apparently can crash from some 35000ft and simply spear into 150ft of water and embed themselves in 60 feet of mud... all without breaking up. :mad:

No.
17th Mar 2014, 21:03
Replies: 11,831
Views: 24,181,729
Posted By GarageYears

The context for this was disabling the CVR and...

The context for this was disabling the CVR and FDR....
17th Mar 2014, 20:33
Replies: 11,831
Views: 24,181,729
Posted By GarageYears

View inside the EE compartment

HawkEye Media Boeing 777 Avionics Compartment VR Panoramic Photography (http://hawkeyemedia.com/panos/777_Avionics.asp)

The EE bay is not accessible from the cockpit. It is accessed via a door in...
17th Mar 2014, 20:20
Replies: 11,831
Views: 24,181,729
Posted By GarageYears

@Trackdiamond: Have you EVER worked with ANY...

@Trackdiamond: Have you EVER worked with ANY aircraft avionics, especially a T7s? Well I have. I worked for many months on a Level D T7 flight sim, which happened to use the AIMS avionics boxes......
17th Mar 2014, 20:04
Replies: 11,831
Views: 24,181,729
Posted By GarageYears

Dear POSTERS THAT INSIST ON POSTING THE SAME...

Dear POSTERS THAT INSIST ON POSTING THE SAME RUBBISH OVER AND OVER.... like this Keith Ledgerwood blah, blah, blah... please STOP IT. Learn to use the *search* function. It isn't hard and will avoid...
17th Mar 2014, 20:00
Replies: 11,831
Views: 24,181,729
Posted By GarageYears

For the love of...

:ugh::ugh::ugh:

The very idea that someone could "hack" the aircraft systems is so laughably ridiculous I really don't know why I'm bothering, but for the sake of my sanity... this is impossible...
17th Mar 2014, 17:45
Replies: 11,831
Views: 24,181,729
Posted By GarageYears

This handy calculator will allow everyone to...

This handy calculator will allow everyone to experiment with the likely visual horizon for two points of any altitude:

Horizon calculator - radar and visual...
17th Mar 2014, 16:21
Replies: 11,831
Views: 24,181,729
Posted By GarageYears

A very GOOD explanation of the INMARSAT system

For those who seem to be struggling with the SATCOM/INMARSAT operation the following gives a very good overview:

TMF Associates MSS blog » Understanding ?satellite pings??...
17th Mar 2014, 15:58
Replies: 11,831
Views: 24,181,729
Posted By GarageYears

Lazy posters...

If you want to keep posting the same questions over and over, then this is going nowhere fast... how about you READ the THREAD before posting questions that have been answered over and over and over...
16th Mar 2014, 04:27
Replies: 11,831
Views: 24,181,729
Posted By GarageYears

I haven't seen this mentioned in the thread, but...

I haven't seen this mentioned in the thread, but since there are perhaps 100's of posts per hour apologies in advance if this is a repeat:

Given the 8.11AM time-stamp is valid for the last 'ping',...
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