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<DIV><FONT face=Arial size=2>Though my intuition agrees with Earl that the
intersection of offset lines might actually cause more opportunity for
conflict I think the idea is worth experimenting with, at least during a
practice session. I recall one early morning practice session prior to a contest
Mike when you were flying perpendicular to the flight line and I was flying
parallel. Our potenial crossing paths really gave me the hibee geebies. I
was careful not to fly as far down as you were flying as this 90 intersection
seemed like a "high risk" area. </FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>The question is if you take two planes and randomly
fly them up and down parallel paths for 10 hours and next fly in crossing paths
for 10 hours which will yield the highest probability for collission. The offset
lines will reduce the "jousting" factor, but will the intersection with no stop
sign be even worse?</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Another concern would be the visual confusion of
the flight line not being parallel to the runway. We could deal with this, but
it would be confusing.</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=drmikedds@sbcglobal.net href="mailto:drmikedds@sbcglobal.net">Dr.
Mike Harrison</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 3:27
PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: [NSRCA-discussion] Mid-Air
discussion</DIV>
<DIV><BR></DIV>
<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
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<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
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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
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=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
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">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>
<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></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=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
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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
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; 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
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">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>
<P class=MsoNormal
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