Indonesian Sriwijaya Air 737-500 goes missing after taking off from Jakarta
- timmydownawell
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Re: Indonesian Sriwijaya Air 737-500 goes missing after taking off from Jakarta
The latest is they have found parts of the CVR but not the memory module itself. I hope it survived and is readable. Things obviously unravelled so fast on the flight it'll all be in the last couple of minutes.
Commander Rasyid stated, "We have found the casing, the beacon and the CVR batteries. We need to search for the memory unit. We hope it will be not far from [the other parts]".
Commander Rasyid stated, "We have found the casing, the beacon and the CVR batteries. We need to search for the memory unit. We hope it will be not far from [the other parts]".
You must walk in traffic to cross the road - Cambodian proverb
Re: Indonesian Sriwijaya Air 737-500 goes missing after taking off from Jakarta
If you consider not checking your position / heading relative to way points before entering oceanic airspace, over oceanic airspace, and when coming close to the other landmass (during a trans oceanic flight of over 3,000 miles) plus ignoring two or three other indication things are going wrong just 'poor operating discipline', I agree.Freightdog wrote: ↑Sat Jan 16, 2021 12:16 pmIt would take a few very simple errors and a poor operating discipline*, and it’s done. It wasn’t a diversion, but a deviation. Some people pretend to have knowledge of a matter without sufficient, or even any technical background to truly understand what they are regurgitating. Others make assumptions based on their limited experience and an unhealthy dose of arrogance.Kammekor wrote: ↑Sat Jan 16, 2021 11:55 amI talked about this accident to a pilot on a flight to Lisbon one day, and he assured there was no way any pilot could divert from the planned route this far unintentionally, even with tech (no GPS) available at the time.emm wrote: ↑Sat Jan 16, 2021 11:38 am @newkidontheblock :
Not the whole story of what happened here:
quote:The last shoot down in East Asia was Korean Airlines flight 007 in 1983 during the Cold War. The plane had accidentally wondered over multiple times over the Soviet Union. unquote
Korean Airlines flight 007 ventured faaaar off the original flightpath and was shadowed by an american spyplane ! It got several warnings by the russians/soviet before it was shut down. I lost colleagues from Seattle on this flight who were transferred to their new job in KL and never made it. Their papers were later washed up on the Beach in Japan. Therefore it was no accident at all if you look at the map and the flight pass the plane actually took, but who really knows if you were not in the pilot seat ??
https://www.conservapedia.com/images/8/83/KAL007.JPG
* As later demonstrated by a well known carrier departing from Stansted.
Re: Indonesian Sriwijaya Air 737-500 goes missing after taking off from Jakarta
Hey Kammekor, does your tin foil hat require buffing?
- timmydownawell
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Re: Indonesian Sriwijaya Air 737-500 goes missing after taking off from Jakarta
Article from Bloomberg suggests asymmetric autothrottle thrust caused the plane to turn and bank steeply undetected by the crew until it was too late and/or incorrectly handled:
Indonesian investigators probing the Jan. 9 crash of a Sriwijaya Air flight are looking at the possibility that a malfunctioning automatic throttle could have led to the pilots losing control, according to a person familiar with the investigation.
The autothrottle was producing more thrust in one of the Boeing Co. 737-500’s two engines than the other shortly before the plane carrying 62 people crashed into the Java Sea, said the person, who isn’t authorized to discuss the matter publicly. The device had been having problems on previous flights, the person said.
Issues involving the autothrottle on the 737 have led to incidents in the past and a similar malfunction on another aircraft model was a cause of a fatal crash in 1995 in Romania.
Nurcahyo Utomo, the lead investigator at Indonesia’s National Transportation Safety Committee, confirmed that a malfunctioning throttle was “one of the factors that we are looking at, but I can’t say at this point that it’s a factor for the crash or there was a problem with it.”
Utomo’s team is working with engineers from Boeing to review the data from the aircraft’s flight-data recorder that was retrieved from the seabed last week. Rescuers are still trying to locate the memory module of the plane’s cockpit-voice recorder, which broke apart upon impact.
Link (paywalled): https://www.bloomberg.com/news/articles ... rash-probe
As a commenter on Reddit notes: Only time will tell but this has all the symptoms (from the limited data we have) of pilots failing to correct a roll in a storm cloud with poor visibility. If they pulled back on the column to try and pull up whilst banked heavily over, that would explain the final sudden right turn and extreme nosedive.
Indonesian investigators probing the Jan. 9 crash of a Sriwijaya Air flight are looking at the possibility that a malfunctioning automatic throttle could have led to the pilots losing control, according to a person familiar with the investigation.
The autothrottle was producing more thrust in one of the Boeing Co. 737-500’s two engines than the other shortly before the plane carrying 62 people crashed into the Java Sea, said the person, who isn’t authorized to discuss the matter publicly. The device had been having problems on previous flights, the person said.
Issues involving the autothrottle on the 737 have led to incidents in the past and a similar malfunction on another aircraft model was a cause of a fatal crash in 1995 in Romania.
Nurcahyo Utomo, the lead investigator at Indonesia’s National Transportation Safety Committee, confirmed that a malfunctioning throttle was “one of the factors that we are looking at, but I can’t say at this point that it’s a factor for the crash or there was a problem with it.”
Utomo’s team is working with engineers from Boeing to review the data from the aircraft’s flight-data recorder that was retrieved from the seabed last week. Rescuers are still trying to locate the memory module of the plane’s cockpit-voice recorder, which broke apart upon impact.
Link (paywalled): https://www.bloomberg.com/news/articles ... rash-probe
As a commenter on Reddit notes: Only time will tell but this has all the symptoms (from the limited data we have) of pilots failing to correct a roll in a storm cloud with poor visibility. If they pulled back on the column to try and pull up whilst banked heavily over, that would explain the final sudden right turn and extreme nosedive.
You must walk in traffic to cross the road - Cambodian proverb
- newkidontheblock
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Re: Indonesian Sriwijaya Air 737-500 goes missing after taking off from Jakarta
Freightdog, you can probably confirm this.Freightdog wrote:It would take a few very simple errors and a poor operating discipline*, and it’s done. It wasn’t a diversion, but a deviation. Some people pretend to have knowledge of a matter without sufficient, or even any technical background to truly understand what they are regurgitating. Others make assumptions based on their limited experience and an unhealthy dose of arrogance.
GPS was a secret military technology at the time.
No GPS based electronic waypoints existed.
Planes flew on the magnetic compass, which was very prone to error and required multiple resets as it flew near the North Pole.
During the Cold War, the two sides did not share a common radio communication channel for passenger airliners, nor a standardized system for communications.
Plus the Soviet spoke Russian English at best, and the Koreans were used to hearing Korean English at best. So even if a common channel was found, possibly nothing was understood.
As a result of the shoot down, GPS no longer was an exclusive US military technology but given to all passenger aircraft.
BTW, all planes crossing the Pacific still fly the same route crossing over into Russia that KAL took.
As to the America hater conspiracy theorists. Please continue to air your passion for all to see.
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Re: Indonesian Sriwijaya Air 737-500 goes missing after taking off from Jakarta
There’s a lot of generalisations and misconceptions amongst all of this! I’m happy to discuss it, but probably best if it were not in the SJ182 thread, as it would be quite a long explanation.newkidontheblock wrote: ↑Fri Jan 22, 2021 10:20 am No GPS based electronic waypoints existed.
Planes flew on the magnetic compass, which was very prone to error and required multiple resets as it flew near the North Pole.
During the Cold War, the two sides did not share a common radio communication channel for passenger airliners, nor a standardized system for communications.
Plus the Soviet spoke Russian English at best, and the Koreans were used to hearing Korean English at best. So even if a common channel was found, possibly nothing was understood.
As a result of the shoot down, GPS no longer was an exclusive US military technology but given to all passenger aircraft.
BTW, all planes crossing the Pacific still fly the same route crossing over into Russia that KAL took.
As to the America hater conspiracy theorists. Please continue to air your passion for all to see.
Re: Indonesian Sriwijaya Air 737-500 goes missing after taking off from Jakarta
Would love to know your thoughts about it FD, because yeah, most people don't know Jack Shit.
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Re: Indonesian Sriwijaya Air 737-500 goes missing after taking off from Jakarta
February 2, 2021
Indonesian air crash investigators send plane parts to U.S., UK for checks
By Reuters Staff
JAKARTA (Reuters) - Indonesia’s air accident investigator has sent five components of a crashed Sriwijaya Air jet to the United States and Britain for examination, including the autothrottle that controls engine power automatically, the agency’s head said on Tuesday.
The 26-year-old Boeing Co 737-500 crashed into the Java Sea shortly after takeoff from Jakarta on Jan. 9, killing all 62 people on board.
National Transportation Safety Committee (KNKT) Chief Soerjanto Tjahjono told Reuters the components had been sent for examination to help find out why an autothrottle parameter had changed. He did not identify the other parts.
The plane’s flight data recorder (FDR) has been found and read by investigators but a maritime search is going on for the cockpit voice recorder’s (CVR) memory unit that Tjahjono said would help explain any human factors behind the crash.
“If we only have the FDR, we do not know why the parameter changed, what was the reason,” he said of the autothrottle. “We need confirmation from the components that we sent to the US and UK and the CVR.”
KNKT said last month it was investigating whether a problem with the autothrottle system contributed to the crash given an issue with it had been reported on a flight a few days earlier.
It is acceptable for a plane to fly with an autothrottle system that is not working because pilots can control it manually instead.
KNKT plans to issue a preliminary report into the crash soon, possibly on Feb. 9, Tjahjono said.
Citing sources close to the investigation, the Wall Street Journal (WSJ) last month reported the FDR data showed the autothrottle system was not operating properly on one of the plane’s engines as it climbed on departure from Jakarta.
Instead of shutting off the system, the FDR indicated the pilots tried to get the stuck throttle to function, the WSJ said. That could create significant differences in power between engines, making the jet harder to control.
Tjahjono said the WSJ report was incorrect and more information would be provided in the KNKT’s preliminary report.
Reporting by Agustinus Beo Da Costa; writing by Jamie Freed; Editing by Robert Birsel
source:https://www.reuters.com/article/us-indo ... SKBN2A20CC
Indonesian air crash investigators send plane parts to U.S., UK for checks
By Reuters Staff
JAKARTA (Reuters) - Indonesia’s air accident investigator has sent five components of a crashed Sriwijaya Air jet to the United States and Britain for examination, including the autothrottle that controls engine power automatically, the agency’s head said on Tuesday.
The 26-year-old Boeing Co 737-500 crashed into the Java Sea shortly after takeoff from Jakarta on Jan. 9, killing all 62 people on board.
National Transportation Safety Committee (KNKT) Chief Soerjanto Tjahjono told Reuters the components had been sent for examination to help find out why an autothrottle parameter had changed. He did not identify the other parts.
The plane’s flight data recorder (FDR) has been found and read by investigators but a maritime search is going on for the cockpit voice recorder’s (CVR) memory unit that Tjahjono said would help explain any human factors behind the crash.
“If we only have the FDR, we do not know why the parameter changed, what was the reason,” he said of the autothrottle. “We need confirmation from the components that we sent to the US and UK and the CVR.”
KNKT said last month it was investigating whether a problem with the autothrottle system contributed to the crash given an issue with it had been reported on a flight a few days earlier.
It is acceptable for a plane to fly with an autothrottle system that is not working because pilots can control it manually instead.
KNKT plans to issue a preliminary report into the crash soon, possibly on Feb. 9, Tjahjono said.
Citing sources close to the investigation, the Wall Street Journal (WSJ) last month reported the FDR data showed the autothrottle system was not operating properly on one of the plane’s engines as it climbed on departure from Jakarta.
Instead of shutting off the system, the FDR indicated the pilots tried to get the stuck throttle to function, the WSJ said. That could create significant differences in power between engines, making the jet harder to control.
Tjahjono said the WSJ report was incorrect and more information would be provided in the KNKT’s preliminary report.
Reporting by Agustinus Beo Da Costa; writing by Jamie Freed; Editing by Robert Birsel
source:https://www.reuters.com/article/us-indo ... SKBN2A20CC
Re: Indonesian Sriwijaya Air 737-500 goes missing after taking off from Jakarta
26? Dat be a old plane an' sheet.
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