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Mid Air at Leicester Aerodrome

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Mid Air at Leicester Aerodrome

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Old 20th Dec 2011, 22:51
  #81 (permalink)  
 
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Indeed; I didn't see any more info in it when it was locked than there is here, though.
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Old 21st Dec 2011, 06:32
  #82 (permalink)  
 
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The identity of the Taylorcraft has now been amended (again) on the ASN web site. According to this web site details were confirmed on the Flyer forum.
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Old 21st Dec 2011, 07:33
  #83 (permalink)  
 
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G-BVXS
Pilot was the aircraft's part owner Martin Hickin.

Why this couldn't have been posted 30 posts back to save all the speculation and people worrying seeing wrong registrations appearing God only knows.
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Old 21st Dec 2011, 08:00
  #84 (permalink)  
 
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Hear Hear!!
Well-done G-BHEN, thank-you.
We all have friends who fly these types of aircraft and we are all desperate to know if it is one of our mates that has "bought it".
OF COURSE the families have a right to be told first, AND have time to grieve etc, but this self righteous pussyfooting around the facts days after the incident benefits no-one.
Doubtless (now) there will be many nice comments posted by poor Martin's mates, and these will be of great comfort to those he left behind.
Jez.
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Old 21st Dec 2011, 09:09
  #85 (permalink)  
 
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Now that it's out in the open, do we know the identity of the other aeroplane?

Names not needed, just a reg would put my mind at ease.
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Old 21st Dec 2011, 10:25
  #86 (permalink)  
 
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Process of elimination, it "might" be this one ?

http://www.google.ca/url?sa=t&rct=j&...c8SfFrIiVsJmxg
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Old 21st Dec 2011, 20:19
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There does seem to be a difficulty in seeing another aircraft either in front/below or above/behind you in certain conditions. On a fairly busy flying day at Leicester ( but it could have been anywhere) a few months ago, two ships called "Finals" on 28 not quite simultaneously. Luckily one heard the other and announced he would hold his altitude (stating what it was) and left the other to react accordingly. There was no airprox, no collision and in the event no incident. I was left wondering if the transmissions had actually blocked out each other out, whether we would have been discussing then what sadly we have been doing this week.
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Old 22nd Dec 2011, 07:49
  #88 (permalink)  
 
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The Avidyne 600 does not do that
Unfortunately there is no way to guarantee it doesn't, or won't. TCAS cannot be used for Azimuth full stop. For such an expensive piece of kit it's a shame, but the only guaranteed plane of avoidance is vertical.

I'm not saying it's not incredibly useful. Several times, especially in the South of England when I've been low level in something a lot faster than average it has alerted me to traffic a lot earlier than I would have seen it, if I ever would have.
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Old 22nd Dec 2011, 10:10
  #89 (permalink)  
 
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if you want to see how to stop all of the mis-information and speculation when an accident has occurred see

BMAA Forum



Rans6.....
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Old 22nd Dec 2011, 10:53
  #90 (permalink)  

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Unfortunately there is no way to guarantee it doesn't, or won't. TCAS cannot be used for Azimuth full stop. For such an expensive piece of kit it's a shame, but the only guaranteed plane of avoidance is vertical.
As far as GA is concerened, we're talking TCAS1, an electronic aid to visually aquiring another aircraft. Having used it for well over a decade, in a variety of aircraft, I would certainly not normally make avoidance based on azimuth alone but sometimes there is no other option, apart from doing nothing and gritting your teeth .

The vertical plane of avoidance isn't "guaranteed" either because it relies on the mode C transponder return from the other aircraft being accurate. From experience, some aren't! Many other light aircraft don't put out a mode C return, in any case.
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Old 22nd Dec 2011, 12:20
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I agree, but based on a lot of hours behind Avidyne TCAS it is surprsingly accurate in both - in fact I cant think of an occasion where the aircraft was seen and not exactly where predicted to be (of course there were more than a few never seen as well ).
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Old 22nd Dec 2011, 16:24
  #92 (permalink)  

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Fuji, Yes I would largely agree. But now you've knocked the lid off the box. Self appointed armchair experts who frequent these parts (and have probably never even seen a TCAS1 in operation) will undoubtedly jump in and argue black and blue that under no circumstances must you pay any attention to TCAS because apparently it distracts your lookout.
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Old 22nd Dec 2011, 16:37
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All very sad, I so hope that the families get good support and care after this terrible incident.

As someone asked.
The other aircraft involved was Pitts S-2C G-IICI by the way as seen at AAIB on Wednesday on back of a lorry outside the hangar.

Regards
Mark
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Old 22nd Dec 2011, 20:30
  #94 (permalink)  
 
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I have flown in TCAS (Ryan/Avidyne 600 usually) equipped planes and the system was pretty damn good.

The biggest limitation by far is the low Mode C usage in GA, but if you fly above 1999ft you are above most of the "civil liberties" traffic

I have a TCAS capable MFD (KMD550) but taking the plane practically to bits to install the antennae is the biggest drawback.

And then I say to myself.... why spend the £10-15k when flying above 1999ft gets me above most traffic

It is true that in big jet ops they are required to avoid vertically only, but that is an ICAO standard which is why they do it. The resolution system is rather crude and works only in the vertical. One day, about 100 years from now, they will update the software to make the mutual avoidance algorithm work in the horizontal plane, but it will be considerably more complicated whereas purely-vertical resolution is trivial (between just two aircraft.... it looks quite interesting if somebody does a vertical bust in a holding stack and they all get RAs ).
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Old 22nd Dec 2011, 21:06
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How are the guys who were in the Pitts?
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Old 22nd Dec 2011, 21:10
  #96 (permalink)  
 
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They walked away with a few bruises.
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Old 22nd Dec 2011, 21:30
  #97 (permalink)  

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I have a TCAS capable MFD (KMD550) but taking the plane practically to bits to install the antennae is the biggest drawback.
Thankfully the aircraft I fly came with this equipment, wired up to TCAS as standard fit.

One unresolved problem with TCAS1 in Class G is when encountering another similarly equipped aircraft and you both take the same avoiding action by going to the same altitude.... it can get quite exciting. The only hope is that both aircraft are receiving a service from the same radar unit so some communication and co-ordination can be made in good time. Unfortunately, in these gloomy days of airfield closures, both mil and civvy, LARS coverage is forever reducing.
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Old 22nd Dec 2011, 23:28
  #98 (permalink)  
 
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Thanks bose.
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Old 23rd Dec 2011, 02:36
  #99 (permalink)  
 
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Silvaire, was it too close to avoid head on collision by turning right as RoA would suggest (AIUI)?

(No agenda, just interested.)

Chris N.
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Old 23rd Dec 2011, 06:07
  #100 (permalink)  
 
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S., thanks. C.
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