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Search: Posts Made By: Australopithecus
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13th Mar 2014, 14:16
Replies: 11,831
Views: 24,339,674
Posted By Australopithecus

Isca: are you serious that you had such a...

Isca: are you serious that you had such a discussion with a pump jockey?

In my part of the world, which overlaps yours, I tell the guy how much fuel, and he pumps it. Period. He does not get a...
13th Mar 2014, 06:17
Replies: 11,831
Views: 24,339,674
Posted By Australopithecus

The theories that include an unconscious crew and...

The theories that include an unconscious crew and an aircraft in HDG mode flying on until fuel starvation remain valid BTW, and seem still more likely to me.
13th Mar 2014, 06:11
Replies: 11,831
Views: 24,339,674
Posted By Australopithecus

Two things: 1. I cannot open the link to...

Two things:

1. I cannot open the link to Rolls Royce's blurb on how they get their data packets, and how much info each contains. They may be limited to engine parameters only, and just get added...
13th Mar 2014, 04:13
Replies: 11,831
Views: 24,339,674
Posted By Australopithecus

I am actually an aviator, been staring at planes...

I am actually an aviator, been staring at planes out the window for a while*. Even when I know exactly where in the sky to look, courtesy of the TCAS, I cannot spot a 777 beyond about 90km in the...
13th Mar 2014, 03:28
Replies: 11,831
Views: 24,339,674
Posted By Australopithecus

Isca... It was my post saying that line of...

Isca...

It was my post saying that line of sight was impossible to the rig. Let me rephrase with elaboration: the formula for distance to the horizon is sq root of altitude x 1.23 for Statute...
13th Mar 2014, 01:59
Replies: 11,831
Views: 24,339,674
Posted By Australopithecus

At 387 km from Chinese satellite image to oil rig...

At 387 km from Chinese satellite image to oil rig a problem arises:

An object at 35,000' would be below the horizon of the observer on the rig.
12th Mar 2014, 12:13
Replies: 11,831
Views: 24,339,674
Posted By Australopithecus

LOS comms

Be aware that there are several HF frequencies in use in any particular area depending on time of day. Hailing an aircraft on HF via selcal is iffy at best when you have no idea which frequencies the...
12th Mar 2014, 07:26
Replies: 11,831
Views: 24,339,674
Posted By Australopithecus

Interesting data points, and all so late in the...

Interesting data points, and all so late in the piece.


A note on the oil rig spotting: The range estimate of 50-70km is way too far to identify an aircraft visually. A bright fire you could see...
12th Mar 2014, 02:07
Replies: 11,831
Views: 24,339,674
Posted By Australopithecus

The common element for the transponders, VHR COMM...

The common element for the transponders, VHR COMM #1, the GPS recvrs and the Satcoms is the antenna locations on the fwd fuselage.

That said, and with the understanding that there is a lap joint...
12th Mar 2014, 01:53
Replies: 11,831
Views: 24,339,674
Posted By Australopithecus

Ditto re stndby on ATC TX. When I learned to fly...

Ditto re stndby on ATC TX. When I learned to fly that was the accepted procedure. Forty-three years ago. Time has marched on since then.
11th Mar 2014, 08:59
Replies: 11,831
Views: 24,339,674
Posted By Australopithecus

Nigel on Draft...that's why I asked for a 777 guy...

Nigel on Draft...that's why I asked for a 777 guy to answer. I know first hand about 737/747/330/340 etc.

On at least two of those you cannot access the c/b in flight, NOR CAN YOU SELECT VOX ON...
11th Mar 2014, 08:24
Replies: 11,831
Views: 24,339,674
Posted By Australopithecus

Question for 777 pilots/engineers only please...

Can you access the ACARS c/b on the flight deck? The earlier Boeings that I have flown all sported c/b panels but that (idiotic) youtube 777 MEC video has me wondering.

Interesting to note that...
10th Mar 2014, 00:44
Replies: 11,831
Views: 24,339,674
Posted By Australopithecus

Dai Farr, your signal to noise ratio is very very...

Dai Farr, your signal to noise ratio is very very high. Thanks for the insights.
10th Mar 2014, 00:34
Replies: 11,831
Views: 24,339,674
Posted By Australopithecus

Tartare...thanks. Its an illusion. As...

Tartare...thanks. Its an illusion.

As someone else already mentioned the satellite data is filtered for characteristics, otherwise there would be a flood of data from lightning, gas flares,...
10th Mar 2014, 00:08
Replies: 11,831
Views: 24,339,674
Posted By Australopithecus

Tartare, I think that a fuel explosion from a...

Tartare, I think that a fuel explosion from a ruptured wing would certainly be picked up as it would be larger than a missile exhaust plume which is what those satellites are looking for.

But...it...
8th Mar 2014, 22:34
Replies: 11,831
Views: 24,339,674
Posted By Australopithecus

A comment on disabling avionics:

In the scenario of a flight deck invasion, why would a perpetrator bent on plunging an aircraft into the sea care about transponders/acars/radio? There's nothing that any ground agency could do about...
8th Mar 2014, 08:04
Replies: 11,831
Views: 24,339,674
Posted By Australopithecus

1. It does not use GPS altitude information. 2....

1. It does not use GPS altitude information.
2. There are at least two GPS receivers
3. In the event of GPS signal compromise there is still inertial position data via the FMS
8th Mar 2014, 07:55
Replies: 11,831
Views: 24,339,674
Posted By Australopithecus

Flight Radar24 ADS data is still dependant on...

Flight Radar24 ADS data is still dependant on enthusiasts being in range with proper equipment. Can you see other flight tracks in the area? ( I am not going to pay to look)

I can watch FR24...
8th Mar 2014, 06:42
Replies: 11,831
Views: 24,339,674
Posted By Australopithecus

Lithium batteries: I just bought some very high...

Lithium batteries: I just bought some very high powered ones. They came interstate by post in a cheap box without any warnings or special handling labels. I suspect that they are in our aeroplanes a...
8th Mar 2014, 05:33
Replies: 11,831
Views: 24,339,674
Posted By Australopithecus

Roy, if you are leaving your assigned altitude...

Roy, if you are leaving your assigned altitude either in or out of controlled flight would you not consider a mayday call? Granted there may be many compelling things to do first, like donning O2...
8th Mar 2014, 04:19
Replies: 11,831
Views: 24,339,674
Posted By Australopithecus

None of the reports coincide geographically with...

None of the reports coincide geographically with the initially reported lost contact two hours after take-off.

I wonder if the flight was due to make a position report at that time and hence it...
Showing results 1 to 21 of 21


 
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