Originally posted by brianw999
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Originally posted by brianw999 View PostI don't like to even think about what the passengers experienced as they fell vertically at almost 130mph. Somewhere around three minutes worth of sheer terror.
The lack of distress message is a puzzle. One that should be solved when the cockpit recorder is recovered. Which should be happening real soon I hope. We seem to be lacking recent news updates on the recovery mission/weather conditions.
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Originally posted by ultraflight View PostGabriel:
"Form all the power radiated by the radar, how much reaches the plane? (the farther the less, because the energy per sq ft is inversely proportional to the square of the distance)"
I think a radar antenna usually is a parabolic one, sending out a much more concentrated beam that an omnidirectional transmitter.
The inverse-square law generally applies when some force or energy is evenly radiated outward from a point source in three-dimensional space.
A concentrated beam gives you much more W per sq ft in the radiated direction, and much less energy in any other direction, but the energy per sq ft (in any given direction) still decays with the square of the distance.
So your comment was almost right:
The inverse-square law generally applies when some force or energy is evenly radiated outward from a point source in three-dimensional space.
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Originally posted by Peter Kesternich View PostA situation like that would normally still allow the pilots to make radio contact and communicate the emergency. What happened to QZ8501 must have been a) sudden and b) so severe that the pilot's couldn't report it.
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Originally posted by Brainsys View PostEven AF447 should have taught every pilot not to do it again. It would be a real failure in aviation safety and training if that were not true.
AF itself was quite similar to other accidents. Neither the stall nor the loss of control after unreliable airspeed were invented that night.
The lack of distress message is a puzzle. One that should be solved when the cockpit recorder is recovered. Which should be happening real soon I hope. We seem to be lacking recent news updates on the recovery mission/weather conditions.[/QUOTE]
The lack of distress call is another usual thing, typically related to either a massive failure of the electrical system (and an in-flight break up is a very good way to achieve that) or by the pilots being overwhelmed by the situation and concentrating all their time and efforts in the "aviate" part of the emergency procedure (like in AF for example).
--- Judge what is said by the merits of what is said, not by the credentials of who said it. ---
--- Defend what you say with arguments, not by imposing your credentials ---
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Originally posted by brianw999 View PostWhatever actually happened I don't like to even think about what the passengers experienced as they fell vertically at almost 130mph. Somewhere around three minutes worth of sheer terror.
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Originally posted by TeeVee View Postif they truly fell, it's likely they didn't feel it since once you reach terminal velocity the sensation of falling, which actually acceleration, is nil.
Take a plane spinning for example, and tell me that once the plane stabilized (constant speed, constant turn rate -in the order of the 20 RMP-, constant pith and bank) you don't feel that something is going WAY wrong. And that is a quite stable state among the many that they might have faced (imagine your section of the airplane where you happen to be tumbling randomly after in in-flight break up).
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--- Defend what you say with arguments, not by imposing your credentials ---
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Originally posted by Jpmkam View Post... 30 bodies have been discovered so far.
I trust The Aviation Herald more than the CNN.
On Jan 2nd 2015 Indonesia Search and Rescue Services (SAR) reported that 30 bodies have been discovered so far, of the recovered 22 bodies 10 have already been taken to Surabaya, 4 are in Pangkalan Bun and 8 on ships. The SAR team also found and recovered new parts of debris of the aircraft.
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Oh, and they denied having found any cue of the main wreckage. There is no "shadow" (of an intact plane or otherwise), no "sonar image showing what seems to be the airplane upside down", nothing. They simply have no idea of where the plane is (except that they suspect that it cannot be that far from the bodies and debris found +/- drift).
They also denied that any of the bodies was wearing a life vest. None was. (but that was before the new body count)
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Originally posted by Gabriel View PostFixed. Swapped discovered for recovered.
I trust The Aviation Herald more than the CNN.
Originally posted by BBCMore bodies have been recovered from the Java Sea, five days after AirAsia flight QZ8501 crashed, bringing the total found so far to 30, Indonesian rescue officials say.
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Originally posted by Gabriel View PostOh, and they denied having found any cue of the main wreckage. There is no "shadow" (of an intact plane or otherwise), no "sonar image showing what seems to be the airplane upside down", nothing. They simply have no idea of where the plane is (except that they suspect that it cannot be that far from the bodies and debris found +/- drift).
BBC map:
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Originally posted by Gabriel View PostIf you are tumbling and your ship (or hwt remains of it) offers against the wind different shapes that produce drag and lift of varying magnitude and direction (and, from your perspective, they WILL have different directions if you are tumbling), you can very well feel a lot of sensations.
Take a plane spinning for example, and tell me that once the plane stabilized (constant speed, constant turn rate -in the order of the 20 RMP-, constant pith and bank) you don't feel that something is going WAY wrong. And that is a quite stable state among the many that they might have faced (imagine your section of the airplane where you happen to be tumbling randomly after in in-flight break up).
i bet that there was no inflight break up. rather the aircraft entered into an unrecoverable state and gravity did the rest.
it still boggles my mind that no pinger detectors are on station yet. they are not super complicated rare items and i would bet that most navy vessels have the ability to listen. after all, any ship with military type sonar can hear the pings.
indonesia has a fairly robust navy with two active submarines. they can DEFINITELY hear pinging underwater. they also have two bases within spitting distance of the area of the crash. are we supposed to believe that they have not dispatched assets to the area?
something just doesn't ring right here.
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Originally posted by TeeVee View Postit still boggles my mind that no pinger detectors are on station yet. they are not super complicated rare items and i would bet that most navy vessels have the ability to listen. after all, any ship with military type sonar can hear the pings.
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