Posts by user "paulross" [Posts: 6 Total up-votes: 33 Page: 1 of 1]ΒΆ

paulross
January 31, 2025, 16:10:00 GMT
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Post: 11818324
Originally Posted by msbbarratt
It's often that way in engineering too. The most valuable engineer in a company is the one that says, "No, don't do it", saving the company billions in not pursuing a dumb idea. Yet there's plenty of companies that do adopt dumb ideas and lose billions in the process. A "can do" culture is a very human thing it seems...
Agreed. My experience too. There is a useful NASA lessons learned document that makes this exact argument (points 3, 5, 6 and maybe 10 in the link).

Subjects: None

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paulross
February 07, 2025, 10:27:00 GMT
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Post: 11823522
Originally Posted by spornrad
NYT has attempted a reconstruction of the visual picture from the Blackhawk at the time of the first traffic alert, with the CRJ just south of Wilson Bridge.
They could only later identify the correct light spot by following its trajectory according to their mental image of the approach to 33.


The original NYT article thanks to the Internet Archive (archive.org) .

Subjects Blackhawk (H-60)  CRJ  New York Times

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paulross
December 18, 2025, 12:28:00 GMT
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Post: 12007470
This Thread Re-Mixed

I have just built a website that re-organises this long thread by subject.
You can find it here: https://paulross.github.io/pprune-th...DCA/index.html

All 1,795 posts are organised into 58 subjects.
Around 20% of the posts on the thread are excluded because I can't pick up a subject from that post so please contact me if you feel that you contribution has been excluded.

The project is here: https://github.com/paulross/pprune-threads .
Issues can be raised here: https://github.com/paulross/pprune-threads/issues or PM me with ideas.

Subjects: None

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paulross
January 29, 2026, 12:41:00 GMT
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Post: 12029104
This Thread Re-Mixed

As new information has emerged I have just rebuilt the website that re-organises this long thread by subject.
You can find it here: https://paulross.github.io/pprune-th...DCA/index.html

All 1,829 posts are organised into 68 subjects.

Changes:
  • Added link to NTSB findings, probable cause and final recommendations.
  • Added subjects: 'Accountability/Liability', 'Findings', 'NTSB Docket', 'Barometric Altimeter', 'Route Altitude', 'Hot Spots', 'Final Report', 'Probable Cause', 'Safety Recommendations', 'Helicopter Working Group'.
Around 20% of the posts on the thread are excluded because I can't pick up a subject from that post so please contact me if you feel that you contribution has been excluded.

The project is here: https://github.com/paulross/pprune-threads .
Issues can be raised here: https://github.com/paulross/pprune-threads/issues or PM me with ideas.

Subjects Altimeter (All)  Barometric Altimeter  Final Report  Findings  Helicopter Working Group  Hot Spots  NTSB  NTSB Docket  Probable Cause  Route Altitude  Safety Recommendations

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paulross
January 31, 2026, 11:04:00 GMT
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Post: 12030141
Originally Posted by DaveReidUK
Having listened to the entire hearing, I'd say this was an excellent summing-up, though the points made about the command gradient in the helicopter and the pilot's history are clearly the author's own comments.

No sign yet of the transcript being added to the public docket, hopefully it will appear in the next few days.
I have added an unofficial transcript of the hearing (about 60,000 words) to my site here: https://paulross.github.io/pprune-th...DCA/index.html It is item 6 on the "Useful Links" section at the top of the page.

The direct link to the transcript is here: https://paulross.github.io/pprune-th...6-01-27_B.html

One the official transcript becomes available I'll remove this one.

Subjects NTSB Docket

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paulross
February 16, 2026, 15:23:00 GMT
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Post: 12038098
Originally Posted by ATC Watcher
Thanks for posting this WR 6-3 , very moving text . One thing we aviation professionals do not always fully understand is how deep the emotions are by the grieving families after an accident . It runs strong for years , decades after the event , children and even grand chidden of victims are still maintaining alive the emotions 50, even 60 years after an accident . They never forget and nearly always cannot understand why we discuss this in theory, legal and technical terms that, in their views, is meant to be protecting or at best excusing the real culprits for the death of their loved ones.
I have unfortunately witnessed this almost all the time in the accidents I surveyed.

On the legal front , only in my home country, France , it always has been a disaster for the families , from the 1968 AF Caravelle shot down , the 1973 Iberia mid air collision in Nantes, the 1986 UTA DC10 bombing , the Concorde, or AF447 , every single time , it took well over 10 years to get a trial and every time the judgement was absolving , what the families saw as the real culprits, and the wounds are still open for them , decades later

Justice in the US is much faster , but I am not convinced the result will be better for the families. I hope for them I am wrong . Keep us posted WR 6-3.
.
I have some small insight into the grief of families in these situations.

One of my best school friends was on UTA 772 that was bombed over Niger in 1989, he was 36. We had learnt to fly together, I saw his first solo and he saw mine. We both worked in Africa in the 1980s but for different companies.

I knew his family well and I spent a fair bit of time with them after the accident and here are a few things I learnt:

Firstly, immediately after an accident the friends and relatives are desperate for information, first the What, then the Why. They will look anywhere and everywhere for this information. In this modern world this might well lead them here. When I post on this forum I am always conscious that some of the bereaved are most likely reading. If that is you then I hold you in the light. Getting clear, accurate, timely information to them can be a great comfort. Not everyone can comprehend an accident report or some technical aviation detail but they can if it is explained in a language they can understand so good posts on pprune can help. Consider it a service.

The second lesson for me was dealing with grief. I have been involved in several fatal (non-aviation) accidents and with the families of the victims. As an engineer by training I was taught, reinforced later by experience, that an objective approach is most likely to get to understand the cause and prevention of an accident. However that objective, dispassionate, disinterested approach completely ignores the very powerful emotions that can consume the surviving victims. It is all too easy use the objective facts as some kind of shield for yourself. I think that some recognition that grief can be a great help to the bereaved. The spectrum of grief is enormous and no two people deal with it in the same way.

Motivation: In my experience (and this seems to be the case with Tim and Sheri Lilley) is that some bereaved often have a powerful motivation to prevent this happening again. These people can help you advance your cause if you feel the same way.

A final lesson, and apologies to any lawyers here, is that most legal systems utterly fail to serve the victims or their bereaved. They are glacially slow, bureaucratic, wildly expensive, and polluted with politics. They usually serve the powerful at the expense of the weak (in the UK the NHS is the poster child for this). UTA 772 was one and there are many other aviation ones as ATC Watcher mentions. More examples would be Hillsborough, Grenfell Tower, Pan Am 103, Deepwater Horizon, and Piper Alpha, the list goes on and on.

There is a postscript to my story of UTA 772. My friend's body was never identified so it was nearly seven years later that his affairs could be settled. We then held a memorial service at our flying club (he had left some money in his will to the club). After the memorial his mother reached into her bag and handed me a camera. Apparently the French military would regularly visit the UTA 772 crash site where the shifting sands would often reveal new wreckage. They found some of his belongings, including this camera. Here is what it looked like having survived the bomb, falling from 35,000 feet and spending several years in the desert:




It was pretty beaten up but I could tell it had a film in it. With a specialist photo laboratory in London and help from Kodak's technical department we carefully processed the film. The negatives were pretty thin but there were definitely half a dozen images there. As the lab said "once we heard the story all of our printers wanted to have a go at getting some prints from this."

I remember the joy on his mothers face when she leafed through the prints and right near the end was a picture of her son. It must have been taken a few days before the crash and was certainly the last image of him alive.
Personally, I hate the word 'closure' in these situations as it implies that the grief ends at some point. It never does, all you can hope for is that day by day one manages it a little better. I think that photograph helped his mother to do this, if only a little.

Others weren't so lucky; her other son became obsessed with finding out what had happened to UTA 772, also with Pan Am 103 which had some obvious similarities. That obsession gradually descended into mania.

Subjects ATC  Grief

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