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Drones threatening commercial a/c?

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Drones threatening commercial a/c?

Old 26th Dec 2018, 19:02
  #1121 (permalink)  
 
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One of the many odd things about this event is that I don't recall anyone mentioning noise from the drone. An airport is a very noisy place air-side, but it might have been relatively quiet during the shutdown period.

I've had one drone encounter: A small one flew directly over my house and parked, maybe around 400 feet up. It was probably filming a town parade happening a block away in our neighborhood. Even with the noise of the marching bands warming up, I heard the drone before I saw it, and knew to look up in the sky.

These things are not quiet, especially any of the larger pro video or agricultural models. Even the smaller ones (like the one over my house) make enough noise to attract attention. But as far as I know, these "sightings" were all visual. Did anyone mention hearing anything?
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Old 26th Dec 2018, 19:48
  #1122 (permalink)  
 
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Originally Posted by Photonic View Post
One of the many odd things about this event is that I don't recall anyone mentioning noise from the drone. An airport is a very noisy place air-side, but it might have been relatively quiet during the shutdown period.

I've had one drone encounter: A small one flew directly over my house and parked, maybe around 400 feet up. It was probably filming a town parade happening a block away in our neighborhood. Even with the noise of the marching bands warming up, I heard the drone before I saw it, and knew to look up in the sky.

These things are not quiet, especially any of the larger pro video or agricultural models. Even the smaller ones (like the one over my house) make enough noise to attract attention. But as far as I know, these "sightings" were all visual. Did anyone mention hearing anything?
In short, no. Because no such drone existed. And now airlines do not need to pay compensation as per EU Regulations because the reason for the delays and cancellations cannot be determined.
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Old 26th Dec 2018, 20:17
  #1123 (permalink)  
 
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It could be said that the reason for the delays and cancellations was the reaction to a report!.
Whether that report was correct, truthful, accurate or made for some ulterior reason matters not.
I wonder if there will be any public disclosure of the results of any 'enquiries' undertaken, if so they will be interesting to say the least.

CC

Last edited by Checklist Charlie; 26th Dec 2018 at 20:18. Reason: spelling
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Old 27th Dec 2018, 03:20
  #1124 (permalink)  
 
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A crime not solved within a news cycle does not a conspiracy make...
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Old 27th Dec 2018, 13:06
  #1125 (permalink)  
 
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Originally Posted by A320ECAM View Post
I have yet to see any concrete evidence to suggest that there was even a drone! Even in this day and age there should be far more videos and photographs especially at LGW where many gates and walkways cover a wide view of the airport.
There were several videos showing it flying around - I cannot post links but if you do a search for 'daily mail drone video' its the first vid in the results
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Old 27th Dec 2018, 14:35
  #1126 (permalink)  
 
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Originally Posted by BAengineer View Post
There were several videos showing it flying around - I cannot post links but if you do a search for 'daily mail drone video' its the first vid in the results
Police drone it would appear......
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Old 28th Dec 2018, 06:24
  #1127 (permalink)  
 
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Sold to Vinci

Is it too much into tinfoil hat territory to speculate on a possible connection to the sale of a majority stake in the airport? Link
There will surely have been an effect on the airport's financials.
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Old 28th Dec 2018, 13:33
  #1128 (permalink)  
 
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A total farce.
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Old 29th Dec 2018, 13:53
  #1129 (permalink)  
 
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https://www.msn.com/en-gb/news/world...cid=spartandhp
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Old 29th Dec 2018, 15:14
  #1130 (permalink)  
 
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Sussex top cop:

However, he admitted that police drones launched to investigate could have caused "some level of confusion".

Mr York revealed two drones found by police near the airport had now been ruled out of causing the disruption, which saw flights cancelled or diverted.

Despite searches of 26 potential sites, he said: "I don't think we have found the drone responsible."
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Old 29th Dec 2018, 15:17
  #1131 (permalink)  
 
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Were there actually any in the first place?
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Old 30th Dec 2018, 13:32
  #1132 (permalink)  
 
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Originally Posted by langleybaston View Post
Sussex top cop:

police drones launched to investigate could have caused "some level of confusion".
Perhaps police drones should be banned before somebody gets hurt...?
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Old 31st Dec 2018, 05:55
  #1133 (permalink)  
 
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Originally Posted by langleybaston View Post
This country resembles a lunatic asylum run by a skeleton staff.

A collective death-wish has taken hold of what was once a great nation. Mercy killing seems to be in order .............. they shoot horses, don't they?
It sometimes seems that way, yes. How do you propose to fix it?
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Old 31st Dec 2018, 06:50
  #1134 (permalink)  
 
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However, he admitted that police drones launched to investigate could have caused "some level of confusion".
No he didn't.
Were there actually any in the first place?
Something like 150 sightings were reported, including 4 from people on the airport roof and these 4 were confirmed by 2 police officers close to the runway.
But, don't just take my word for any of the above. Listen to the interview on Raio4's Today programme, 29th Dec on BBS Sounds:
https://www.bbc.co.uk/sounds/play/m0001t04
Interview begins at 1:10:10
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Old 31st Dec 2018, 16:37
  #1135 (permalink)  
 
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Originally Posted by KelvinD View Post
No he didn't.

Something like 150 sightings were reported, including 4 from people on the airport roof and these 4 were confirmed by 2 police officers close to the runway.
But, don't just take my word for any of the above. Listen to the interview on Raio4's Today programme, 29th Dec on BBS Sounds:
https://www.bbc.co.uk/sounds/play/m0001t04
Interview begins at 1:10:10
Thank you. My scepticism is not absolute, but nevertheless sustainable for the following reasons:

"they would say that wouldn't they" ....... powerful vested interests desperate to justify what may be over-reaction to a sighting of .....

........... what and where exactly? To be sure of "over the airfield" we need triangulation at one time, otherwise size/range make observation difficult.

Not a scrap of film in 2018? This beggars belief, surely? Over and beyond the professionals on duty, over and beyond the smartfone public, the Media attended a. s. a .p? Not a sausage.

I am willing to be convinced by evidence, not eyewitnesses, who may well have been influenced [after the first "sighting"] by confirmation bias.

No physical evidence either.

My only qualification of relevance to the matter is having served on airfields [weather observer and forecaster] on and off for 40 years, including launching many a Met. balloon. I served at Gatwick too.
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Old 1st Jan 2019, 09:03
  #1136 (permalink)  
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There is a well known and studied phenomena, but not yet fully understood, that shows many eye witnesses reporting separately "facts" that are proven later to be completely fabricated. How this symbiosis works between different people in different locations remains a mystery.
The best example in aviation is the TWA 747 explosion near NY in 1996 . While the cause has been later well established ( explosion of central tank due faulty pump), may independent witnesses reported seeing a missile was launched. .

from wikipedia :
Although there were considerable discrepancies between different accounts, most witnesses to the accident had seen a "streak of light" that was unanimously described as ascending, moving to a point where a large fireball appeared, with several witnesses reporting that the fireball split in two as it descended toward the water.[There was intense public interest in these witness reports and much speculation that the reported streak of light was a missile that had struck TWA 800, causing the airplane to explode.[ These witness accounts were a major reason for the initiation and duration of the FBI's criminal investigation.
The official NTSB report explains this in more details for those interested.
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Old 1st Jan 2019, 12:19
  #1137 (permalink)  

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I recall vividly that an esteemed, long time member of PPRuNe, heavily involved in the aviation industry, posting a claim and possibly a clear photograph of the said trail here on PPRuNe. The photograph may have been sent as a PM.
The image was shot from his home or holiday home located in the area !
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Old 1st Jan 2019, 14:42
  #1138 (permalink)  
 
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Droning On

Here they come, the lame brained copy cats. BBC reports a man hauled down from the Severn Bridge for flying a drone from one of the towers. Nut loose and fancy free.
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Old 6th Jan 2019, 16:22
  #1139 (permalink)  
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LHR, LGW buy military-grade anti-drone systems

​Heathrow and Gatwick confirmed that they’ve spent millions to acquire and install their own “military-grade anti-drone apparatus,” while Scotland’s Edinburgh Airport has also indicated that it’s taking its own precautions with foot patrols and expand some no-fly zones surrounding the facility. ​​​​​​
https://www.theverge.com/2019/1/5/18...efense-systems
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Old 6th Jan 2019, 21:41
  #1140 (permalink)  
 
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So, has anybody given an indication of how these systems work? Their level of reliability in doing so? And are they effective against drones which are operating on a pre-programmed GPS-based route?

To the latter point, the limited discussion from other internet commentators* is that it's neither likely nor wise to try and interfere with GPS signals to jam drones in the vicinity of airports for the entirely reasonable reason that there would be unintended consequences for legitimate traffic.

* Naturally I have no idea how qualified they are to comment...

I'm concerned that the public proclamations of having drone defenses at airports is at least partly using the same psychology that TV license detector vans employ - i.e. a significant amount of bluff and bluster...

/Alex
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