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#1
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chain of events
I went downstairs to the hotel restaurant and ran into a friend who
recounted a recent experience he had. He was inbound to LAX on the Civet arrival to rwy 25R at night. His FO coupled the autopilot to the ILS about 30 miles out. Approach control pointed out traffic from the northeast that was to join the ILS for the north side's parallel runway. Everything was routine. They were told to switch over to the tower's frequency. Then they saw a bright flash from an explosion on the north side of the terminal. Both of them thought there had been a crash. From here everything happened rapidly. They were staring so hard out the front that they didn't notice the parallel traffic went through the northside localizer and was heading right at them. Then the TCAS went crazy telling them to pull up. Then the autopilot let out with it's loud series of chirps. Then the captain yelled at the FO to pull up because there was no response to the TCAS. The FO yelled back that he thought the captain had the controls. The captain looked out his window to see an A-340 less than 200' below them and it was racked up at big bank angle trying to get back on final for the north runway. Then a frantic radio call came from ATC asking if they were still there. The subsequent investigation revealed an interesting chain of events. The flash came from an exploding electrical transformer. The localizer, glideslope, and ATC radios failed momentarily until back-up power came online. When the localizer signal failed, the A-340's autopilot didn't have anything to intercept and stayed on the intercept angle, which is why it went through the final approach into the south runway's final approach. When the localizer failed, my friend's autopilot didn't kick-off, but changed from approach mode into heading and pitch mode which mimics the ILS in smooth air. The FO heard the autopilot chirps along with the TCAS warnings and figured the captain had assumed control from him. The captain heard the same noises but figured the FO had kicked off the AP to perform the TCAS instructions. It was close. Stay safe. D. |
#2
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chain of events
It was close. Stay safe.
Holy crap! What an amazing story. We had a Cherokee Six declare an emergency here last week. He was on an Angel Flight from Texas, and started icing up badly. Then his engine lost power (carb ice?) and he was down to 200' AGL before he was able to restart it. He got down okay, badly shaken. The guy didn't even have a coat -- one of the line guys lent him his... -- Jay Honeck Iowa City, IA Pathfinder N56993 www.AlexisParkInn.com "Your Aviation Destination" |
#3
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chain of events
Jay Honeck writes:
We had a Cherokee Six declare an emergency here last week. He was on an Angel Flight from Texas, and started icing up badly. Then his engine lost power (carb ice?) and he was down to 200' AGL before he was able to restart it. He got down okay, badly shaken. The guy didn't even have a coat -- one of the line guys lent him his... What about his passenger(s)? -- Transpose mxsmanic and gmail to reach me by e-mail. |
#4
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chain of events
Wow! Shows how every little thing can have big consequences.
Jose -- Humans are pack animals. Above all things, they have a deep need to follow something, be it a leader, a creed, or a mob. Whosoever fully understands this holds the world in his hands. for Email, make the obvious change in the address. |
#5
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chain of events
On Mar 8, 7:28 pm, "Capt.Doug" wrote:
I went downstairs to the hotel restaurant and ran into a friend who recounted a recent experience he had. He was inbound to LAX on the Civet arrival to rwy 25R at night. His FO coupled the autopilot to the ILS about 30 miles out. Approach control pointed out traffic from the northeast that was to join the ILS for the north side's parallel runway. Everything was routine. They were told to switch over to the tower's frequency. Then they saw a bright flash from an explosion on the north side of the terminal. Both of them thought there had been a crash. From here everything happened rapidly. They were staring so hard out the front that they didn't notice the parallel traffic went through the northside localizer and was heading right at them. Then the TCAS went crazy telling them to pull up. Then the autopilot let out with it's loud series of chirps. Then the captain yelled at the FO to pull up because there was no response to the TCAS. The FO yelled back that he thought the captain had the controls. The captain looked out his window to see an A-340 less than 200' below them and it was racked up at big bank angle trying to get back on final for the north runway. Then a frantic radio call came from ATC asking if they were still there. The subsequent investigation revealed an interesting chain of events. The flash came from an exploding electrical transformer. The localizer, glideslope, and ATC radios failed momentarily until back-up power came online. When the localizer signal failed, the A-340's autopilot didn't have anything to intercept and stayed on the intercept angle, which is why it went through the final approach into the south runway's final approach. When the localizer failed, my friend's autopilot didn't kick-off, but changed from approach mode into heading and pitch mode which mimics the ILS in smooth air. The FO heard the autopilot chirps along with the TCAS warnings and figured the captain had assumed control from him. The captain heard the same noises but figured the FO had kicked off the AP to perform the TCAS instructions. It was close. Stay safe. D. Doug, This story doesnt make a bit of sense! I got a good laugh out of it though.Did someone actually tell you this or did you just make it up? Cheers, KW |
#6
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chain of events
"F. Reid" wrote: Doug, This story doesnt make a bit of sense! I got a good laugh out of it though.Did someone actually tell you this or did you just make it up? Cheers, KW What a stupid response to a great story. I have read your postings before. Classic troll. Go away. |
#7
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chain of events
On Mar 8, 10:18 pm, "KiloMike" wrote:
"F. Reid" wrote: Doug, This story doesnt make a bit of sense! I got a good laugh out of it though.Did someone actually tell you this or did you just make it up? Cheers, KW What a stupid response to a great story. I have read your postings before. Classic troll. Go away. Stupid response?Did I not post that I got a good laugh?Pretty much all of this story defies common sense to the point I thought it was a joke.But I guess you would rather perpetuate internet folklore. Classic troll my ass.Why dont you go away jerk off. |
#8
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chain of events
On Mar 8, 10:18 pm, "KiloMike" wrote:
What a stupid response to a great story. I have read your postings before. Classic troll. Go away. KM, dont be such a gulible idiot.It is obvious most of this story is either embelished or made up.Let me spell it out for you;First, tell me the last time you got 25R at LAX 30 miles out on the Civet.Could happen I guess, but I have never seen it.Further more, are you gonna see a transformer go at 30 miles.Do you really think the airport would go dead (Like the scene in the movie Airplane when the guy in the tower pulls the plug).If you were the crew of the A340 on a vector to final would you just fly though final if you had a localizer flag? An A340 doesnt even need ground based equipment to fly an approach.And what about their TCAS? I can go on with this but I hope you have the picture. Kilo Mike, you should work on recocnizing internet folklore instead calling people names. KM |
#9
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chain of events
On Mar 8, 11:38 pm, "F. Reid" wrote:
On Mar 8, 10:18 pm, "KiloMike" wrote: What a stupid response to a great story. I have read your postings before. Classic troll. Go away. ..It is obvious most of this story is either embelished or made up.Let me spell it out for you;First, tell me the last time you got 25R at LAX 30 miles out on the Civet.Could happen I guess, but I have never seen it.Further more, are you gonna see a transformer go at 30 miles.Do you really think the airport would go dead (Like the scene in the movie Airplane when the guy in the tower pulls the plug).If you were the crew of the A340 on a vector to final would you just fly though final if you had a localizer flag? An A340 doesnt even need ground based equipment to fly an approach.And what about their TCAS? I can go on with this but I hope you have the picture. Kilo Mike, you should work on recocnizing internet folklore instead calling people names. I gotta second what Ried is saying here.How can the radios AND the Localizer go out long enough for this to happen.The Civet is for 25L not the right. This sounds like a fish story to me.I think KiloMike is a troll and should go away. KU |
#10
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chain of events
F. Reid writes:
Further more, are you gonna see a transformer go at 30 miles. At least this part is certainly possible. If it's a large transformer with an arcing failure and the weather is reasonably clear, you'll see it. It's essentially a multimegawatt arc lamp, brighter than a lighthouse. Do you really think the airport would go dead (Like the scene in the movie Airplane when the guy in the tower pulls the plug). If it's a very large and important transformer, it might, until emergency supplies could take over (but I would expect immediate transfer, not seconds of delay). An A340 doesnt even need ground based equipment to fly an approach. How does it line up with the runway and land? -- Transpose mxsmanic and gmail to reach me by e-mail. |
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