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9th Apr 2014, 18:03
Replies: 11,831
Views: 24,207,165
Posted By island_airphoto

Also it is possible a classified asset heard it...

Also it is possible a classified asset heard it first and a hint was dropped to get everyone in range of the pinger ;)
29th Mar 2014, 20:45
Replies: 11,831
Views: 24,207,165
Posted By island_airphoto

IMHO money should be spent on the decades-old...

IMHO money should be spent on the decades-old detachable ELTs rather than lower frequency pingers on the FDR if you can only do one thing. We are all looking something going BEEP-BEEP with our ears...
28th Mar 2014, 01:46
Replies: 11,831
Views: 24,207,165
Posted By island_airphoto

The Frequency is 37.5 KHz which is on the Low...

The Frequency is 37.5 KHz which is on the Low Frequency LF band 30khz -300khz

NO.

This is SOUND, not radio. This is ultrasonic, i.e. you can't hear it. Your dog can though. This is a SOUND on...
21st Mar 2014, 19:22
Replies: 11,831
Views: 24,207,165
Posted By island_airphoto

QUESTION RE PINGS: Are the packets time stamped...

QUESTION RE PINGS:
Are the packets time stamped to enough accuracy for ranging or is INMARSAT timing the round trip or ?????
The error rate is around 186 miles (distance to satellite) per...
21st Mar 2014, 14:58
Replies: 11,831
Views: 24,207,165
Posted By island_airphoto

All they need is a hydrophone on a long cord to...

All they need is a hydrophone on a long cord to listen for the black box ping.
20th Mar 2014, 15:13
Replies: 11,831
Views: 24,207,165
Posted By island_airphoto

RE flight level 450: That is high enough for...

RE flight level 450:
That is high enough for the pax to pass out even using the passenger oxygen system :(
19th Mar 2014, 17:07
Replies: 11,831
Views: 24,207,165
Posted By island_airphoto

Why no ELT? Because no one took it out of the...

Why no ELT? Because no one took it out of the airplane and put it in the water.

Re the Guardian: 101 different tracking systems do nothing when they are turned off :ugh:
17th Mar 2014, 15:44
Replies: 11,831
Views: 24,207,165
Posted By island_airphoto

RE FLOATING ELTs: These are common on boats....

RE FLOATING ELTs:
These are common on boats. They break loose if submerged and come to the surface and activate themselves.
If you read the tech log, it is possible to get something like this for...
16th Mar 2014, 23:02
Replies: 11,831
Views: 24,207,165
Posted By island_airphoto

TFOR 2: I have been "lost" when X controller...

TFOR 2:

I have been "lost" when X controller forgets to hand me off and eventually I fly out of radio range. After some screwing around I find the freq for Y controller and they either want to...
16th Mar 2014, 20:44
Replies: 11,831
Views: 24,207,165
Posted By island_airphoto

Question: If the plane really is intact...

Question:
If the plane really is intact someplace, what could you DO with it :confused:
No one is going to buy it.
No one is going to buy the parts either.
If you want to do a kamikaze attack,...
16th Mar 2014, 17:29
Replies: 11,831
Views: 24,207,165
Posted By island_airphoto

Transponders off under pilot control: I have...

Transponders off under pilot control:
I have turned off a transponder per ATC request when it was malfunctioning and doing something like a constant IDENT or jibberish numbers. Also when flying...
15th Mar 2014, 13:53
Replies: 11,831
Views: 24,207,165
Posted By island_airphoto

Do we have some packet that says <ACARS SYSTEM...

Do we have some packet that says <ACARS SYSTEM BEING TURNED OFF NOW> or is just that it missed the usual interval?
15th Mar 2014, 13:45
Replies: 11,831
Views: 24,207,165
Posted By island_airphoto

The "altitude excursions" that keep getting...

The "altitude excursions" that keep getting mentioned don't seem likely. I think between inaccurate primary radar and F-15 performance from a 777 I would have to go with the former.
15th Mar 2014, 01:24
Replies: 11,831
Views: 24,207,165
Posted By island_airphoto

I know how to navigate by stars, but I learned it...

I know how to navigate by stars, but I learned it on a boat. It was not taught when I was in flight school in the 1980s.
15th Mar 2014, 00:49
Replies: 11,831
Views: 24,207,165
Posted By island_airphoto

I didn't mean to imply last Inmarsat record = end...

I didn't mean to imply last Inmarsat record = end of the airplane. They could have finally found out how to turn it off. OTOH for the entire time it WAS on the plane had to be intact at least with...
15th Mar 2014, 00:39
Replies: 11,831
Views: 24,207,165
Posted By island_airphoto

So if we have a given of: Inmarsat data is good...

So if we have a given of:
Inmarsat data is good

This seems a huge amount of trouble to go to if the end result was the plane in the sea. Why not just go right in right away?

So this seems to...
13th Mar 2014, 15:16
Replies: 11,831
Views: 24,207,165
Posted By island_airphoto

RE Mode S: It has a code you can enter for that...

RE Mode S:
It has a code you can enter for that flight, but also a code in the background unique to the airframe. It is - in computer terms - a MAC address and is used like that for data...
12th Mar 2014, 14:34
Replies: 11,831
Views: 24,207,165
Posted By island_airphoto

QUESTION: If I understand the timeline, the...

QUESTION:
If I understand the timeline, the plane's last comm was leaving one freq for another. Given my experience with IFR flying, if I wanted to disappear with max time until someone noticed,...
12th Mar 2014, 13:11
Replies: 11,831
Views: 24,207,165
Posted By island_airphoto

Jindalee "official range". Apparently it can do...

Jindalee "official range". Apparently it can do much better. It just might have been able to see this event. Someone would have had to have it on and recording though.

From our Wiki Friends
...
12th Mar 2014, 12:51
Replies: 11,831
Views: 24,207,165
Posted By island_airphoto

Here it is ...

Here it is
http://upload.wikimedia.org/wikipedia/commons/thumb/4/4d/JORS.svg/500px-JORS.svg.png
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