Asiana flight crash at San Francisco
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I assume if there was any indication of inebriation that the police could demand a test, as opposed to some FAA regulation, correct?
Since they crashed they haven't even gone through customs yet so technically the crew is not in the country legally at that exact moment so jurisdiction would fall under the INS, not the local police. I assume processing them through customs was one of the first things that was done once the emergency health issues were straightened out.
It would an interesting question as to whether the state or federal government would assert jurisdiction if any criminal charges (such as manslaughter) were to be filed. I suspect that INS would defer to the San Fran police because of their expertise but who knows...
It would an interesting question as to whether the state or federal government would assert jurisdiction if any criminal charges (such as manslaughter) were to be filed. I suspect that INS would defer to the San Fran police because of their expertise but who knows...
And to reiterate, I'm not implying that these guys were stoned or drunk, just that in my opinion there's no good reason for exempting foreign based crews from the mandatory drug & alcohol checking.
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Couple of things. When I listened to the NTSB conference today, I heard that the crew did pass drug/alcohol testing, BUT were not required to as a function of the pilot licensing. They were still required to take the test, as part of landing in the US.
My take on this was that the test did take place, and it was negative for the crew.
The autothrottles were 'selected' or 'armed', but it was not known at this time if, due to other settings, if they were 'enabled'
It is my understanding that according to FOQA procedures, when on landing idle, the pilot is required to momentarily spool up the engines near minima or for balked.
My take on this was that the test did take place, and it was negative for the crew.
The autothrottles were 'selected' or 'armed', but it was not known at this time if, due to other settings, if they were 'enabled'
I'm not sure what you mean about the 'spool up' required on final.
Last edited by UAVop; 10th Jul 2013 at 00:21.
Uavop,
I don't think you understand what FOQA means. There is no such thing as "FOQA procedures". Do you mean stabilized approach criteria ? One of the requirements for a stabilized approach is the fact that the engines are stable at whatever power setting is required to maintain VApp. At whatever altitude is precribed in the specific companies operational references.
I don't think you understand what FOQA means. There is no such thing as "FOQA procedures". Do you mean stabilized approach criteria ? One of the requirements for a stabilized approach is the fact that the engines are stable at whatever power setting is required to maintain VApp. At whatever altitude is precribed in the specific companies operational references.
Last edited by JPJP; 10th Jul 2013 at 00:31.
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It is my understanding that according to FOQA procedures, when on landing idle, the pilot is required to momentarily spool up the engines near minima or for balked.
That's a new one on me...
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FlightAware log
There has been much discussion of the FlightAware track logs, including the evidently erroneous approach profile published by the New York Times.
The track logs visible on the FA web site have the time stamps truncated to the minute. In the .kml files available on the FA web site the time stamps are given to the nearest second, allowing accurate plotting of the data. Evidently the NYT profile was constructed from the truncated time stamps. The NYT graphic shows a 600-foot decrease in altitude in 9 seconds. Actually the time between these data points was 26 seconds. I have plotted the approach profile below from data in the .kml file, and have added the NTSB data points. There is a discrepancy between the FA and NTSB altitudes at about 15 seconds. It appears that whatever went wrong happened in the final 15 seconds of flight, since an earlier post shows the 6 July approach was not much different than earlier ones until this point.
The track logs visible on the FA web site have the time stamps truncated to the minute. In the .kml files available on the FA web site the time stamps are given to the nearest second, allowing accurate plotting of the data. Evidently the NYT profile was constructed from the truncated time stamps. The NYT graphic shows a 600-foot decrease in altitude in 9 seconds. Actually the time between these data points was 26 seconds. I have plotted the approach profile below from data in the .kml file, and have added the NTSB data points. There is a discrepancy between the FA and NTSB altitudes at about 15 seconds. It appears that whatever went wrong happened in the final 15 seconds of flight, since an earlier post shows the 6 July approach was not much different than earlier ones until this point.
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SFPD Now Leads Probe Into Whether Fire Truck Ran Over Plane Crash Victim « CBS San Francisco
Seeming to confirm my speculation a few posts up regarding jurisdiction the criminal investigation regarding whether one of the female victims was run over by a rescue firetruck has been handed off to the San Fran police department.
Seeming to confirm my speculation a few posts up regarding jurisdiction the criminal investigation regarding whether one of the female victims was run over by a rescue firetruck has been handed off to the San Fran police department.
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I don't think that is the case. I believe she explained that under FAA regs, foreign based operators crews are not required to take the test, and her enquiries indicate that they were not tested.
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The basics
Excellent thread content, sad outcome for Asiana.
I'm not a heavy jet pilot, having spent my time in P3 and Nimrod, however I am completely puzzled by some of the comments here.
My basic training started with a final approach technique of "Aimpoint, Aspect, Airspeed". A fairly simple but critical and very effective work cycle to keep the aircraft on the rails to touch down. I used it throughout my career no matter which aircraft and still use it today. We were taught that "Speed is life and more is better" and this is essentially critical for all aircraft on the final approach. Apart for more speed not necessarily being ideal for slippery jets (I understand that nuance)
Q. Is airspeed not monitored by both pilots on final, in a modern jet airliner? Surely I am wrong........
I'm not a heavy jet pilot, having spent my time in P3 and Nimrod, however I am completely puzzled by some of the comments here.
My basic training started with a final approach technique of "Aimpoint, Aspect, Airspeed". A fairly simple but critical and very effective work cycle to keep the aircraft on the rails to touch down. I used it throughout my career no matter which aircraft and still use it today. We were taught that "Speed is life and more is better" and this is essentially critical for all aircraft on the final approach. Apart for more speed not necessarily being ideal for slippery jets (I understand that nuance)
Q. Is airspeed not monitored by both pilots on final, in a modern jet airliner? Surely I am wrong........
Originally Posted by Lone wolf 50
I was taught that you use power to stay on (or addjust to) glide slope, pitch to stay on (or adkust for) airspeed when making an approach to land. (Of course, the two work together to give you the performance you are trying to achieve. )
I was also taught that if you are low/slow on approach to landing, pulling the nose up "to get to the runway" makes your problems worse if that is all you do.
I was also taught that if you are low/slow on approach to landing, pulling the nose up "to get to the runway" makes your problems worse if that is all you do.
Fly it like the autopilot flies an ILS. You get low on slope, you pull the nose up. Primary effect of controls. If you then get slow or know form experience that you will get slow, put the power up. As you say, pitch and power work together, but the initial reaction is to stay on-slope with the stick, then compensate (if necessary) with the power. Stick for glideslope results in much more accuracy, as well as revealing, much quicker, windshear. If you "fell into a hole" and simply pushed the power up, especially with not much deck angle, all you'd to is go faster.
This is particularly appropriate with autothrottles; all you need to do is stay on glide/visual slope with the stick and the autothrottles will automatically adjust/power-up to maintain the speed.
Confucius say (for the left-hand seater):
"Always remember and forever take heed, left hand for glidepath and right hand for speed!"
As for that Tiptoe visual approach posted by JPJP:
http://155.178.201.160/d-tpp/1307/00...TOE_VIS28L.PDF
That would some thought to put in the box, especially if not given until later in the descent or not familiar with it. 1900ft at 5nm to touch, just because of Class B airspace? Get real you lot.
Speaking in general terms, aircraft know well in advance if they are to expect one of the charted visuals. Usually one, sometimes two frequencies prior to being cleared for it.
From the Guardian article quoted earlier: A second evacuation slide inflated inwards, trapping another attendant near flames. "I grabbed a knife passengers had eaten with from a cart and handed it to the co-pilot and he punctured it," Lee said. Only later at hospital did Lee realise she had broken her tailbone...
Luckily they were not using plastic cutlery. 'Nuff said.
Luckily they were not using plastic cutlery. 'Nuff said.
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How much fuel on board?
The lucky video that recorded the horrific crash of Asiana's B777 was talked about much earlier in this thread. Some comments were made about the white cloud that formed part way into the event. Someone speculated that it was sea water, but to my eye it rises after the United Airlines plane drops out of sight on the right.
Is it possible that the cloud was jet fuel escaping and atomizing, and that this early dump of the remaining fuel was an enormous stroke of luck? There was much less fire than I would have expected when the plane stopped.
My interest in modern aircraft, and their rare disasters, is prompted by my experience as a software developer. The growing sense that automation is a double-edged sword is an important perception, I believe. I also have niggling feeling that "Systems problems" are a growing threat.
Is it possible that the cloud was jet fuel escaping and atomizing, and that this early dump of the remaining fuel was an enormous stroke of luck? There was much less fire than I would have expected when the plane stopped.
My interest in modern aircraft, and their rare disasters, is prompted by my experience as a software developer. The growing sense that automation is a double-edged sword is an important perception, I believe. I also have niggling feeling that "Systems problems" are a growing threat.
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eswdev wrote: "Is it possible that the cloud was jet fuel escaping and atomizing, and that this early dump of the remaining fuel was an enormous stroke of luck? There was much less fire than I would have expected when the plane stopped."
Not a chance they were deliberately dumping fuel. They didn't even call for more speed until 7 seconds prior to impact, and the call for a GA happened less than 2 seconds prior to impact. And obviously they could not have jettisoned enough fuel ti a few seconds to make a difference!
Not a chance they were deliberately dumping fuel. They didn't even call for more speed until 7 seconds prior to impact, and the call for a GA happened less than 2 seconds prior to impact. And obviously they could not have jettisoned enough fuel ti a few seconds to make a difference!
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Inadvertent dump!
By "dump" I mean accidental, a result of the engines breaking off, while pumps remained active at full output - if that is possible (e.g. from battery power). I can't think of any other reason for that white cloud. Another suggestion earlier was dust, but where would white dust come from?
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The Captain(flying pilot) in the left seat was doing his upgrade from A320 Captain to B777 Captain while the right seat Captain(non-flying pilot) was the PIC and was doing Line Indoctrination training on the pilot flying.
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This is the Law.
Korean MLTM Aviation Act
Chapter X – Penal Provisions
Article 156 (Offense Causing Danger in Aviation)
Any person who damages or destroys an airfield, airfield facilities or navigation safety facilities or causes any danger in aviation in any other way, shall be punished by imprisonment for not less than two years. <Amended by Act No. 5794, Feb. 5, 1999>
Article 157 (Offense Causing Danger in Flight)
(1) Any person who crashes, overthrows or destroys an aircraft in flight, shall be punished by the death penalty, imprisonment for life or for not less than five years.
(2) Any person who crashes, overthrows or destroys the aircraft in flight in committing the offense as prescribed in Article 156, shall also be punished by the punishment as referred to in paragraph (1).
Article 158 (Crime against Death or Injury by Causing of Danger to Aircraft in Flight)
Any person who caused the death of another person or injury by committing the crime as prescribed in Article 157, shall be punished by the death penalty, or imprisonment for life or imprisonment for not less than seven years.
Article 159 (Attempted Criminal)
Any person who attempted offenses as prescribed in Articles 156 and 157 (1), shall be punished.
Article 160 (Offense against Danger Causing by Negligence in Aviation)
(1) Any person who damages or destroys by negligence an aircraft, airfield, airfield facilities or navigation safety facilities, or causes any danger in aviation by other ways, or crashes or overthrows the aircraft in flight, shall be punished by imprisonment or without prison labor for not more than one year, or by a fine not exceeding twenty million won. <Amended by Act No. 4647, Dec. 27, 1993; Act No. 5794, Feb. 5, 1999>
(2) If a person commits the offense as referred to in paragraph (1) by any malpractice or severe negligence, he shall be punished by imprisonment or without prison labor for not more than three years, or by a fine not exceeding fifty million won.
Chapter X – Penal Provisions
Article 156 (Offense Causing Danger in Aviation)
Any person who damages or destroys an airfield, airfield facilities or navigation safety facilities or causes any danger in aviation in any other way, shall be punished by imprisonment for not less than two years. <Amended by Act No. 5794, Feb. 5, 1999>
Article 157 (Offense Causing Danger in Flight)
(1) Any person who crashes, overthrows or destroys an aircraft in flight, shall be punished by the death penalty, imprisonment for life or for not less than five years.
(2) Any person who crashes, overthrows or destroys the aircraft in flight in committing the offense as prescribed in Article 156, shall also be punished by the punishment as referred to in paragraph (1).
Article 158 (Crime against Death or Injury by Causing of Danger to Aircraft in Flight)
Any person who caused the death of another person or injury by committing the crime as prescribed in Article 157, shall be punished by the death penalty, or imprisonment for life or imprisonment for not less than seven years.
Article 159 (Attempted Criminal)
Any person who attempted offenses as prescribed in Articles 156 and 157 (1), shall be punished.
Article 160 (Offense against Danger Causing by Negligence in Aviation)
(1) Any person who damages or destroys by negligence an aircraft, airfield, airfield facilities or navigation safety facilities, or causes any danger in aviation by other ways, or crashes or overthrows the aircraft in flight, shall be punished by imprisonment or without prison labor for not more than one year, or by a fine not exceeding twenty million won. <Amended by Act No. 4647, Dec. 27, 1993; Act No. 5794, Feb. 5, 1999>
(2) If a person commits the offense as referred to in paragraph (1) by any malpractice or severe negligence, he shall be punished by imprisonment or without prison labor for not more than three years, or by a fine not exceeding fifty million won.
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The pilot at the controls - named by Asiana as Lee Kang-Kuk - was about halfway through his training for the Boeing 777, but had led 29 flights to San Francisco on Boeing 747s in the past, according to the airline.
"To complete initial operating experience for Asiana, he's required to have 20 flights and 60 flight hours. He had completed 10 legs, and about 35 hours flying the 777," Hersman said.
However, his trainer - who told US investigators he had a total of 13,000 flying hours, 3,000 of which were in the Boeing 777 - had not flown as a trainer pilot before.
Read more: Pilot couldn't see runway before US crash | News.com.au
"To complete initial operating experience for Asiana, he's required to have 20 flights and 60 flight hours. He had completed 10 legs, and about 35 hours flying the 777," Hersman said.
However, his trainer - who told US investigators he had a total of 13,000 flying hours, 3,000 of which were in the Boeing 777 - had not flown as a trainer pilot before.
Read more: Pilot couldn't see runway before US crash | News.com.au