O'Hare Airport UFO Sighting -- UPDATE: Photos & Analysis, page 99
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reply posted on 24-2-2007 @ 04:42 PM by Watcher777
I was interested to see that the initial radar analysis from William Puckett at ufosnw showed nothing specific. Snafu had commented earlier that he did not think anything would be able to be observed because of the "cone of silence".

I emailed Mr. Puckett to ask him if he thought this was the case and this is what he had to say. Also, what is the difference between an aviation radar and the FAA radar?

Brenda:
Thanks for posting my response on the message board of ATS. I am not familiar with the term of "cone of silence" as it relates to aviation radar, but I do know that this type of object is not conducive to painting a radar return. The reasons are that the object was observed to be a disk shaped object which would have a small radar reflective "cross sectional" area. Also the object was hovering for several minutes. FAA radar has a "moving target indicator" meaning that it will only pick up targets that are moving. The reason for this is obvious because otherwise the radar would pick up buildings and other stationary objects resulting in "clutter" that would obscure aircraft. However, I am not finished analyzing the radar data yet. Witnesses said that the object shot through the clouds after hovering. There is a possibility that the radar may have picked up a blip after the object moved. I will be posting any updates on my web site.

Thanks for your interest. You may post this response on your message board.

William Puckett
UFOs Northwest
P.O. Box 50246
Bellevue, WA 98015-0246



reply posted on 24-2-2007 @ 07:06 PM by MachXX
Originally posted by ArMaP

I am a meteorologist and I did an analysis of the cloud deck through which the object allegedly "punched a hole." I obtained satellite data of cloud top temperatures (at considerable expensive) and found that the cloud layer was over 7,000 feet thick. My original estimate was about 2,000 feet (without the satellite data). I don't know of any process that would break a hole in a cloud deck as quickly as this object apparently did.

Didn't the witnesses said that they could see blue skies through the hole?

To see it through a 7,000 feet hole they would need to be almost under the hole, I think.



I find this very curious. The witnesses at O'Hare stated that they saw the UFO shoot up and punch a hole in the clouds through which blue sky could be seen.

The witness (who taxis planes around the airport) that appeared on Jeff Rense show along with Peter Davenport (nuforc.com) stated that the size of the hole was about as wide as the UFO - which was estimated to be 25-30 ft in diameter.

OK, let's think about this. The metereologist found that the cloud layer that day at O'Hare was 7000 ft thick, and the bottom of the cloud layer was around 1900 ft above ground level.

So we're talking 7000 + 1900 = 8900 ft from ground to top of cloud layer to see the blue sky. Now, assuming the hole was 30 ft wide all the way up to the top, can one reasonable see a 30 ft hole almost 2 miles away?? (two miles is 10,560 ft)

The circular hole of blue sky would appear to be almost as small as a pin prick. Something doesn't quite add up here.


reply posted on 25-2-2007 @ 06:33 AM by snafu7700
Originally posted by Jbird

Ahh, ok. So approach control would be in separate rooms or buildings, or just a separate 'section' in the tower?


depends on the approach control. over the last decade or so, the faa has been taking the approach controls that were located in the base of large towers and moving them to a seperate facility. for instance, ohare tracon (terminal radar approach control) is now located in a seperate building in Elgin, Illinois. some of the smaller airports with combined approach controls still have them in the main building at the base of the tower, but the faa is moving towards combining all of those smaller tracons into larger tracons.

long story short, ohare tracon is in a different building and any holding of aircraft would be reflected on their logs.


Wow, that is surprising!
Just to be clear, are we talking 'clipping' on the tarmac, in the air, or both?


on the tarmac. in the air would be catagorized as a "midair", and the media would be all over it, like the incident that happened in south america last year between the american corporate jet and a south american airliner.


In fact, firstly, I guess I should establish if our definition of 'clipping' is synonymous. Are we talking 'physical' contact?


yes, clipping is actual contact on the ground. if you search the net, you'll find quite a few instances of this happening.....usually the only ones that make the news involve aircraft with passengers on board. since we didnt hear anything further about the one on this log, i would guess that he was probably ferrying the aircraft to another part of the field.


Is this, common knowledge, only in the aviation field, or am I just greatly uniformed?


if it doesnt involve passengers, it doesnt make the news, so it probably isnt really common knowledge.


Oh yea, (I'm sure this wasn't your incentive) , but as promised-
You have voted snafu7700 for the Way Above Top Secret award.


well thank you sir....just trying to help you guys understand.

[edit on 2/25/07 by snafu7700]
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