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<DIV><FONT face=Arial size=2>Keith,</FONT></DIV>
<DIV><FONT face=Arial size=2>I think the 10 degree offset has merit. I
believe most fields can accommodate that. Make that 10'('-short for
degree) for each pilot from runway, effecting a net 20' change. The
centerline would be offset 10' each also. </FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Also, another help is to separate the lines farther
so that center manuevers do not overlap. </FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>It is easy enough for the CD at some contest
somewhere to try. I would encourage it. I don't know of any contests
we(you and I) have been to that this could not be implimented. I can think
of 4 midairs that would have been avoided if this system were in place.
You-2 midairs, Don Ramsey -1, Glen Watson-1. That is a loss in the last 3
years of 7 airplanes- about $14,000. </FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>I am all for this concept.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Lets try it a t Crowley.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Mike</FONT></DIV>
<DIV><FONT face=Arial size=2>ps as far as previous comments that midairs are
rare and a necessity of the sport, I disagree. They are all too common,
they effect quality of flying, they are a stupid loss, and there has to be a
reasonable way to avoid it. </FONT></DIV>
<BLOCKQUOTE
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=tkeithblack@gmail.com href="mailto:tkeithblack@gmail.com">Keith
Black</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A
title=nsrca-discussion@lists.nsrca.org
href="mailto:nsrca-discussion@lists.nsrca.org">NSRCA Mailing List</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Wednesday, September 26, 2007 1:23
PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: [NSRCA-discussion] Mid-Air
discussion</DIV>
<DIV><FONT face=Arial size=2></FONT><BR></DIV>
<DIV><FONT face=Arial size=2>The problem is that one avoidance caller can't do
a good job and would sound the alarm too often due to the depth perception
issue. A second caller (spotter) at the corner of the box would reduce alerts
to a minimum and would probably allow the spotters to anticipate collisions
much sooner. I think this is at least worth experimenting with.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>As to the offset paths, adequite offset paths are
not possible at most fields due to fly-over issues and we're already flying
off by 10 degrees as we go in and out constantly.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>As to agreeing who flies close and who flies
near, I've tried this at practice an it's amazing how often two pilots still
drift to common ground. Plus, this often would not be agreeable to both
pilots.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Keith</FONT> </DIV>
<BLOCKQUOTE
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=vicenterc@comcast.net
href="mailto:vicenterc@comcast.net">vicenterc@comcast.net</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A
title=nsrca-discussion@lists.nsrca.org
href="mailto:nsrca-discussion@lists.nsrca.org">NSRCA Mailing List</A> ; <A
title=nsrca-discussion@lists.nsrca.org
href="mailto:nsrca-discussion@lists.nsrca.org">NSRCA Mailing List</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Wednesday, September 26, 2007
6:52 AM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: [NSRCA-discussion] Mid-Air
discussion</DIV>
<DIV><BR></DIV>
<DIV>Probably the avoidance callers between both lines makes
sense. He could be consider a third judge. If he sound the
horn means that both pilots has the right to bail out and they can resume
the fly. It has to be organized. The pilots flying in line A
will be instructed to go down and cut the engine. The pilots in line B
will be instructed to go up. Of course if they are rolling they will
need to stop rolling. We need to think what needs to be done when we
are flying vertical. It could be one bail to the right and the
other bail to the left or just both cut engines. The avoidance judges
will be the pilots that just finish their rounds.</DIV>
<DIV> </DIV>
<DIV>I don't think that the pilot's caller can pay attention to both
planes. He is busy trying to help the pilot and reading the next
manuever. </DIV>
<DIV> </DIV>
<DIV>Regards,</DIV>
<DIV> </DIV>
<DIV class=signature id=signature>--<BR>Vicente "Vince" Bortone</DIV>
<DIV> </DIV>
<BLOCKQUOTE
style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid">--------------
Original message -------------- <BR>From: "Dave Michael"
<davidmichael1@comcast.net> <BR>
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<DIV><FONT face=Arial size=2>No- if it's obvious that you were in no
danger of a mid-air then you get a zero.</FONT></DIV>
<BLOCKQUOTE
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=jnhiller@earthlink.net href="mailto:jnhiller@earthlink.net">J N
Hiller</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A
title=nsrca-discussion@lists.nsrca.org
href="mailto:nsrca-discussion@lists.nsrca.org">NSRCA Mailing List</A>
</DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Wednesday, September 26, 2007
6:17 AM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: [NSRCA-discussion]
Mid-Air discussion</DIV>
<DIV><BR></DIV>
<DIV class=Section1>
<P class=MsoNormal><SPAN class=EmailStyle21><FONT face=Arial
color=#993366 size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-bidi-font-size: 12.0pt">Thanks,
now I understand. If I didn’t hit the other airplane I obviously didn’t
need to bail out and would receive a
zero.<o:p></o:p></SPAN></FONT></SPAN></P>
<P class=MsoNormal><SPAN class=EmailStyle21><FONT face=Arial
color=#993366 size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-bidi-font-size: 12.0pt">Jim
Hiller<o:p></o:p></SPAN></FONT></SPAN></P>
<P class=MsoNormal><SPAN class=EmailStyle21><FONT face=Arial
color=#993366 size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-bidi-font-size: 12.0pt"> <o:p></o:p></SPAN></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Tahoma
color=black size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Tahoma">-----Original
Message-----<BR><B><SPAN style="FONT-WEIGHT: bold">From:</SPAN></B> <A
href="mailto:nsrca-discussion-bounces@lists.nsrca.org">nsrca-discussion-bounces@lists.nsrca.org</A>
[mailto:nsrca-discussion-bounces@lists.nsrca.org]<B><SPAN
style="FONT-WEIGHT: bold">On Behalf Of </SPAN></B>Dave
Michael<BR><B><SPAN style="FONT-WEIGHT: bold">Sent:</SPAN></B> Tuesday,
September 25, 2007 7:39 PM<BR><B><SPAN
style="FONT-WEIGHT: bold">To:</SPAN></B> NSRCA Mailing List<BR><B><SPAN
style="FONT-WEIGHT: bold">Subject:</SPAN></B> Re: [NSRCA-discussion]
Mid-Air discussion</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT
face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial
color=black size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial">No- you can't
bail in this situation. It would be obvious to the judges and
you'd receive a 0 on the manuever- and the next as well if you were to
exit in the wrong direction or orientation for the next
manuever.</SPAN></FONT><FONT color=black><SPAN
style="COLOR: black; mso-color-alt: windowtext"><o:p></o:p></SPAN></FONT></P>
<DIV
style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 4pt; PADDING-BOTTOM: 0in; BORDER-LEFT: black 1.5pt solid; PADDING-TOP: 0in; BORDER-BOTTOM: medium none">
<P class=MsoNormal
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face=Arial color=black size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial">----- Original
Message ----- </SPAN></FONT><FONT face=Arial color=black size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial; mso-color-alt: windowtext"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal
style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 0in; BACKGROUND: #e4e4e4; PADDING-BOTTOM: 0in; MARGIN-LEFT: 40.2pt; BORDER-LEFT: medium none; PADDING-TOP: 0in; BORDER-BOTTOM: medium none; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-border-left-alt: solid black 1.5pt; mso-padding-alt: 0in 0in 0in 4.0pt"><B><FONT
face=Arial color=black size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial">
<DIV style="font-color: black">From:</SPAN></FONT></B><FONT face=Arial
color=black size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial"> <A
title=jnhiller@earthlink.net href="mailto:jnhiller@earthlink.net">J N
Hiller</A> </SPAN></FONT></DIV><FONT face=Arial color=black size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial; mso-color-alt: windowtext"><o:p></o:p></SPAN></FONT>
<P></P>
<P class=MsoNormal
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face=Arial color=black size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial">To:</SPAN></FONT></B><FONT
face=Arial color=black size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial"> <A
title=nsrca-discussion@lists.nsrca.org
href="mailto:nsrca-discussion@lists.nsrca.org">NSRCA Mailing List</A>
</SPAN></FONT><FONT face=Arial color=black size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial; mso-color-alt: windowtext"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal
style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; MARGIN-LEFT: 40.2pt; BORDER-LEFT: medium none; PADDING-TOP: 0in; BORDER-BOTTOM: medium none; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-border-left-alt: solid black 1.5pt; mso-padding-alt: 0in 0in 0in 4.0pt"><B><FONT
face=Arial color=black size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial">Sent:</SPAN></FONT></B><FONT
face=Arial color=black size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial"> Tuesday,
September 25, 2007 9:39 PM</SPAN></FONT><FONT face=Arial color=black
size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial; mso-color-alt: windowtext"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal
style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; MARGIN-LEFT: 40.2pt; BORDER-LEFT: medium none; PADDING-TOP: 0in; BORDER-BOTTOM: medium none; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-border-left-alt: solid black 1.5pt; mso-padding-alt: 0in 0in 0in 4.0pt"><B><FONT
face=Arial color=black size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial">Subject:</SPAN></FONT></B><FONT
face=Arial color=black size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial"> Re:
[NSRCA-discussion] Mid-Air discussion</SPAN></FONT><FONT face=Arial
color=black size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial; mso-color-alt: windowtext"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal
style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; MARGIN-LEFT: 40.2pt; BORDER-LEFT: medium none; PADDING-TOP: 0in; BORDER-BOTTOM: medium none; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-border-left-alt: solid black 1.5pt; mso-padding-alt: 0in 0in 0in 4.0pt"><FONT
face="Times New Roman" color=black size=3><SPAN
style="FONT-SIZE: 12pt; COLOR: black"> </SPAN></FONT><FONT
color=black><SPAN
style="COLOR: black; mso-color-alt: windowtext"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal
style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; MARGIN-LEFT: 40.2pt; BORDER-LEFT: medium none; PADDING-TOP: 0in; BORDER-BOTTOM: medium none; mso-border-left-alt: solid black 1.5pt; mso-padding-alt: 0in 0in 0in 4.0pt"><SPAN
class=EmailStyle20><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-bidi-font-size: 12.0pt">If
I am in the process of hosing a maneuver can I bail out claming mid-air
avoidance and re-fly it?<o:p></o:p></SPAN></FONT></SPAN></P>
<P class=MsoNormal
style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; MARGIN-LEFT: 40.2pt; BORDER-LEFT: medium none; PADDING-TOP: 0in; BORDER-BOTTOM: medium none; mso-border-left-alt: solid black 1.5pt; mso-padding-alt: 0in 0in 0in 4.0pt"><SPAN
class=EmailStyle20><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-bidi-font-size: 12.0pt">I
have only had one mid-air in pattern competition and that was
pre-turnaround, on a turnaround over a quarter mile out. I had a close
one this year I saw the other airplane go by and heard the gasps from
behind without flinching. I flew in a Scale Masters finals competition
once in LasVegas with five flight lines. I have gotten so I don’t pay
any attention to other airplanes when I am
flying.<o:p></o:p></SPAN></FONT></SPAN></P>
<P class=MsoNormal
style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; MARGIN-LEFT: 40.2pt; BORDER-LEFT: medium none; PADDING-TOP: 0in; BORDER-BOTTOM: medium none; mso-border-left-alt: solid black 1.5pt; mso-padding-alt: 0in 0in 0in 4.0pt"><SPAN
class=EmailStyle20><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-bidi-font-size: 12.0pt">I
guess I would flinch plenty, maybe even crash if we were using that 140
DB air horn to warn of potential
midairs.<o:p></o:p></SPAN></FONT></SPAN></P>
<P class=MsoNormal
style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; MARGIN-LEFT: 40.2pt; BORDER-LEFT: medium none; PADDING-TOP: 0in; BORDER-BOTTOM: medium none; mso-border-left-alt: solid black 1.5pt; mso-padding-alt: 0in 0in 0in 4.0pt"><SPAN
class=EmailStyle20><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-bidi-font-size: 12.0pt">Jim
Hiller<o:p></o:p></SPAN></FONT></SPAN></P>
<P class=MsoNormal
style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; MARGIN-LEFT: 40.2pt; BORDER-LEFT: medium none; PADDING-TOP: 0in; BORDER-BOTTOM: medium none; mso-border-left-alt: solid black 1.5pt; mso-padding-alt: 0in 0in 0in 4.0pt"><SPAN
class=EmailStyle20><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-bidi-font-size: 12.0pt"> <o:p></o:p></SPAN></FONT></SPAN></P></DIV>
<DIV
style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 4pt; PADDING-BOTTOM: 0in; BORDER-LEFT: black 1.5pt solid; PADDING-TOP: 0in; BORDER-BOTTOM: medium none">
<P class=MsoNormal
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face=Tahoma color=black size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Tahoma">-----Original
Message-----<BR><B><SPAN style="FONT-WEIGHT: bold">From:</SPAN></B>
nsrca-discussion-bounces@lists.nsrca.org
[mailto:nsrca-discussion-bounces@lists.nsrca.org]<B><SPAN
style="FONT-WEIGHT: bold">On Behalf Of </SPAN></B>Dave
Michael<BR><B><SPAN style="FONT-WEIGHT: bold">Sent:</SPAN></B> Tuesday,
September 25, 2007 4:45 PM<BR><B><SPAN
style="FONT-WEIGHT: bold">To:</SPAN></B> NSRCA Mailing List<BR><B><SPAN
style="FONT-WEIGHT: bold">Subject:</SPAN></B> Re: [NSRCA-discussion]
Mid-Air discussion</SPAN></FONT><FONT color=black><SPAN
style="COLOR: black; mso-color-alt: "><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal
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face="Times New Roman" color=black size=3><SPAN
style="FONT-SIZE: 12pt; COLOR: black"> </SPAN></FONT><FONT
color=black><SPAN
style="COLOR: black; mso-color-alt: windowtext"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal
style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; MARGIN-LEFT: 76.2pt; BORDER-LEFT: medium none; PADDING-TOP: 0in; BORDER-BOTTOM: medium none; mso-border-left-alt: solid black 1.5pt; mso-padding-alt: 0in 0in 0in 4.0pt"><FONT
face=Arial color=black size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial">I recall a
discussion on this subject earlier in the year. My background is
heavy IMAC but I am wanting to fly some more pattern soon. Part of
the earlier discussion was about the issue that calling avoidance and
breaking from the sequence if you think you might mid-air is allowed in
IMAC but not in pattern.</SPAN></FONT><FONT color=black><SPAN
style="COLOR: black; mso-color-alt: windowtext"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal
style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; MARGIN-LEFT: 76.2pt; BORDER-LEFT: medium none; PADDING-TOP: 0in; BORDER-BOTTOM: medium none; mso-border-left-alt: solid black 1.5pt; mso-padding-alt: 0in 0in 0in 4.0pt"><FONT
face="Times New Roman" color=black size=3><SPAN
style="FONT-SIZE: 12pt; COLOR: black"> </SPAN></FONT><FONT
color=black><SPAN
style="COLOR: black; mso-color-alt: windowtext"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal
style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; MARGIN-LEFT: 76.2pt; BORDER-LEFT: medium none; PADDING-TOP: 0in; BORDER-BOTTOM: medium none; mso-border-left-alt: solid black 1.5pt; mso-padding-alt: 0in 0in 0in 4.0pt"><FONT
face=Arial color=black size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial">In 10+ years
of IMAC competition- maybe 40-50 contests - I can only think of a few
mid-airs, maybe three or so. Believe me when I say that calling
avoidance and breaking the sequence is not something that you want to do
in the heat of competition- it can really throw off a good
sequence. Having said that, with fewer mid-airs in IMAC
perhaps we can conclude that allowing sequence breaks to avoid potential
mid-airs makes sense for pattern too. </SPAN></FONT><FONT
color=black><SPAN
style="COLOR: black; mso-color-alt: windowtext"><o:p></o:p></SPAN></F!
ONT></P>
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face="Times New Roman" color=black size=3><SPAN
style="FONT-SIZE: 12pt; COLOR: black"> </SPAN></FONT><FONT
color=black><SPAN
style="COLOR: black; mso-color-alt: windowtext"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal
style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; MARGIN-LEFT: 76.2pt; BORDER-LEFT: medium none; PADDING-TOP: 0in; BORDER-BOTTOM: medium none; mso-border-left-alt: solid black 1.5pt; mso-padding-alt: 0in 0in 0in 4.0pt"><FONT
face=Arial color=black size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial">Dave
Michael</SPAN></FONT><FONT color=black><SPAN
style="COLOR: black; mso-color-alt: windowtext"><o:p></o:p></SPAN></FONT></P>
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face="Times New Roman" color=black size=3><SPAN
style="FONT-SIZE: 12pt; COLOR: black"> </SPAN></FONT><FONT
color=black><SPAN
style="COLOR: black; mso-color-alt: windowtext"><o:p></o:p></SPAN></FONT></P></DIV>
<DIV
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face=Arial color=black size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial">----- Original
Message ----- </SPAN></FONT><FONT face=Arial color=black size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial; mso-color-alt: windowtext"><o:p></o:p></SPAN></FONT></P></DIV>
<DIV
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<P class=MsoNormal
style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; MARGIN-LEFT: 40.2pt; BORDER-LEFT: medium none; PADDING-TOP: 0in; BORDER-BOTTOM: medium none; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-border-left-alt: solid black 1.5pt; mso-padding-alt: 0in 0in 0in 4.0pt"><B><FONT
face=Arial color=black size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial">
<DIV style="font-color: black">From:</SPAN></FONT></B><FONT face=Arial
color=black size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial"> <A
title=tkeithblack@gmail.com href="mailto:tkeithblack@gmail.com">Keith
Black</A> </SPAN></FONT></DIV><FONT color=black><SPAN
style="COLOR: black; mso-color-alt: windowtext"><o:p></o:p></SPAN></FONT>
<P></P>
<P class=MsoNormal
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face=Arial color=black size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial"> </SPAN></FONT><FONT
face=Arial color=black size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial; mso-color-alt: windowtext"><o:p></o:p></SPAN></FONT></P></DIV>
<DIV
style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 4pt; PADDING-BOTTOM: 0in; BORDER-LEFT: black 1.5pt solid; PADDING-TOP: 0in; BORDER-BOTTOM: medium none">
<P class=MsoNormal
style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; MARGIN-LEFT: 80.4pt; BORDER-LEFT: medium none; PADDING-TOP: 0in; BORDER-BOTTOM: medium none; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-border-left-alt: solid black 1.5pt; mso-padding-alt: 0in 0in 0in 4.0pt"><B><FONT
face=Arial color=black size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial">To:</SPAN></FONT></B><FONT
face=Arial color=black size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial"> <A
title=nsrca-discussion@lists.nsrca.org
href="mailto:nsrca-discussion@lists.nsrca.org">NSRCA Mailing List</A>
</SPAN></FONT><FONT face=Arial color=black size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial; mso-color-alt: windowtext"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal
style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; MARGIN-LEFT: 80.4pt; BORDER-LEFT: medium none; PADDING-TOP: 0in; BORDER-BOTTOM: medium none; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-border-left-alt: solid black 1.5pt; mso-padding-alt: 0in 0in 0in 4.0pt"><B><FONT
face=Arial color=black size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial">Sent:</SPAN></FONT></B><FONT
face=Arial color=black size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial"> Tuesday,
September 25, 2007 5:47 PM</SPAN></FONT><FONT face=Arial color=black
size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial; mso-color-alt: windowtext"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal
style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; MARGIN-LEFT: 80.4pt; BORDER-LEFT: medium none; PADDING-TOP: 0in; BORDER-BOTTOM: medium none; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-border-left-alt: solid black 1.5pt; mso-padding-alt: 0in 0in 0in 4.0pt"><B><FONT
face=Arial color=black size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial">Subject:</SPAN></FONT></B><FONT
face=Arial color=black size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial">
[NSRCA-discussion] Mid-Air discussion</SPAN></FONT><FONT face=Arial
color=black size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial; mso-color-alt: windowtext"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal
style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; MARGIN-LEFT: 80.4pt; BORDER-LEFT: medium none; PADDING-TOP: 0in; BORDER-BOTTOM: medium none; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-border-left-alt: solid black 1.5pt; mso-padding-alt: 0in 0in 0in 4.0pt"><FONT
face="Times New Roman" color=black size=3><SPAN
style="FONT-SIZE: 12pt; COLOR: black"> </SPAN></FONT><FONT
color=black><SPAN
style="COLOR: black; mso-color-alt: windowtext"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal
style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; MARGIN-LEFT: 80.4pt; BORDER-LEFT: medium none; PADDING-TOP: 0in; BORDER-BOTTOM: medium none; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-border-left-alt: solid black 1.5pt; mso-padding-alt: 0in 0in 0in 4.0pt"><FONT
face=Arial color=black size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial">Following my
mid-air at the N. Dallas contest this weekend there's been an RCU thread
started on the subject. From this discussion an interesting idea has
evolved. For those who would like to read the thread here's the link: <A
href="http://www.rcuniverse.com/forum/m_6409493/anchors_6413018/mpage_1/key_/anchor/tm.htm#6413018">http://www.rcuniverse.com/forum/m_6409493/anchors_6413018/mpage_1/key_/anchor/tm.htm#6413018</A></SPAN></FONT><FONT
color=black><SPAN
style="COLOR: black; mso-color-alt: windowtext"><o:p></o:p></SPAN!></FONT></P>
<P class=MsoNormal
style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; MARGIN-LEFT: 80.4pt; BORDER-LEFT: medium none; PADDING-TOP: 0in; BORDER-BOTTOM: medium none; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-border-left-alt: solid black 1.5pt; mso-padding-alt: 0in 0in 0in 4.0pt"><FONT
face="Times New Roman" color=black size=3><SPAN
style="FONT-SIZE: 12pt; COLOR: black"> </SPAN></FONT><FONT
color=black><SPAN
style="COLOR: black; mso-color-alt: windowtext"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal
style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; MARGIN-LEFT: 80.4pt; BORDER-LEFT: medium none; PADDING-TOP: 0in; BORDER-BOTTOM: medium none; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-border-left-alt: solid black 1.5pt; mso-padding-alt: 0in 0in 0in 4.0pt"><FONT
face=Arial color=black size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial">If you'd just
like to hear the idea I'll paste my RCU posting
below:</SPAN></FONT><FONT color=black><SPAN
style="COLOR: black; mso-color-alt: windowtext"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal
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face="Times New Roman" color=black size=3><SPAN
style="FONT-SIZE: 12pt; COLOR: black"> </SPAN></FONT><FONT
color=black><SPAN
style="COLOR: black; mso-color-alt: windowtext"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal
style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 0in; MARGIN-BOTTOM: 10pt; PADDING-BOTTOM: 0in; MARGIN-LEFT: 80.4pt; BORDER-LEFT: medium none; MARGIN-RIGHT: 0in; PADDING-TOP: 0in; BORDER-BOTTOM: medium none; mso-margin-top-alt: 0in; mso-border-left-alt: solid black 1.5pt; mso-padding-alt: 0in 0in 0in 4.0pt"><FONT
face=Calibri color=black size=3><SPAN
style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: Calibri">This is my
third mid-air in four seasons. My first may have been avoided, but the
last two were a complete shock to both me and my caller. In fact, in
mid-air #2 my caller said "you're good" (meaning we were not going to
hit). The other pilot's caller walked up to me and apologized saying
that he told the other pilot that he was in the clear. Therefore, I
don't know how effective a third "spotter" sitting between the lines
could be.</SPAN></FONT><FONT color=black><SPAN
style="COLOR: black; mso-color-alt: win"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal
style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 0in; MARGIN-BOTTOM: 10pt; PADDING-BOTTOM: 0in; MARGIN-LEFT: 80.4pt; BORDER-LEFT: medium none; MARGIN-RIGHT: 0in; PADDING-TOP: 0in; BORDER-BOTTOM: medium none; mso-margin-top-alt: 0in; mso-border-left-alt: solid black 1.5pt; mso-padding-alt: 0in 0in 0in 4.0pt"><FONT
face=Calibri color=black size=3><SPAN
style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: Calibri">That being
said, two recent events have given me an idea of how we might be able to
greatly improve this problem. The first light bulb was Vicente's
suggestion of the spotter that warns the pilots. The second event was my
walk out to pick up the fragments of my beloved Brio. As I was walking
back I stood for a bit to observe the planes looking down the flight
path. It was amazing how clearly you can see each plane as it moves in
and out from the flight line. </SPAN></FONT><FONT color=black><SPAN
style="COLOR: black; mso-color-alt: windowtext"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal
style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 0in; MARGIN-BOTTOM: 10pt; PADDING-BOTTOM: 0in; MARGIN-LEFT: 80.4pt; BORDER-LEFT: medium none; MARGIN-RIGHT: 0in; PADDING-TOP: 0in; BORDER-BOTTOM: medium none; mso-margin-top-alt: 0in; mso-border-left-alt: solid black 1.5pt; mso-padding-alt: 0in 0in 0in 4.0pt"><FONT
face=Calibri color=black size=3><SPAN
style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: Calibri">So here's
the idea: What if we sat a spotter at the corner of the box to watch
plane separation in the distance out dimension and then had the other
spotter sitting between the judges (or even back under the cover)
watching in the right to left dimension. These two spotters could use
radios with headsets and continually talk to each other. There are many
times that planes appear to be close to a mid-air from the flight line
viewpoint, however, the number of times that both spotters would be
alarmed should be! fairly minimal. When this occurs the spotter could
sound an alarm (this deserves discussion as to the details) and each
pilot could peel off of their course. If one pilot froze the collision
may still be avoided by just one pilot taking action. Sure, this could
cause a mid-air, but viewing from two dimensions should help in alerting
only when an impact is probable.</SPAN></FONT><FONT color=black><SPAN
style="COLOR: black; mso-color-alt: windowtext"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal
style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 0in; MARGIN-BOTTOM: 10pt; PADDING-BOTTOM: 0in; MARGIN-LEFT: 80.4pt; BORDER-LEFT: medium none; MARGIN-RIGHT: 0in; PADDING-TOP: 0in; BORDER-BOTTOM: medium none; mso-margin-top-alt: 0in; mso-border-left-alt: solid black 1.5pt; mso-padding-alt: 0in 0in 0in 4.0pt"><FONT
face=Calibri color=black size=3><SPAN
style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: Calibri">Some have
stated that they've seen very few mid-airs, but my experience in D6 and
NATS is that at least 70% (if not more) of the contests I've attended
have had mid-airs. I'm not going to run away crying and quit the hobby
due to this mid-air, but reducing such losses would be a benefit to us
all!</SPAN></FONT><FONT color=black><SPAN
style="COLOR: black; mso-color-alt: windowtext"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal
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face=Calibri color=black size=3><SPAN
style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: Calibri">Keith
Black</SPAN></FONT><FONT color=black><SPAN
style="COLOR: black; mso-color-alt: windowtext"><o:p></o:p></SPAN></FONT></P>
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align=center><FONT face="Times New Roman" color=black size=3><SPAN
style="FONT-SIZE: 12pt; COLOR: black">
<HR align=center width="100%" SIZE=2>
</SPAN></FONT></DIV>
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face="Times New Roman" color=black size=3><SPAN
style="FONT-SIZE: 12pt; COLOR: black">_______________________________________________<BR>NSRCA-discussion
mailing
list<BR>NSRCA-discussion@lists.nsrca.org<BR>http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</SPAN></FONT><FONT
color=black><SPAN
style="COLOR: black; mso-color-alt: windowtext"><o:p></o:p></SPAN></FONT></P></DIV>
<DIV
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align=center><FONT face="Times New Roman" color=black size=3><SPAN
style="FONT-SIZE: 12pt; COLOR: black">
<HR align=center width="100%" SIZE=2>
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