<HTML>
<HEAD>
<TITLE>Re: [NSRCA-discussion] Mid-Air discussion</TITLE>
</HEAD>
<BODY>
<FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:12.0px'>Nope, your math is right. We usually put the cut off at about 17 fliers. Less we fly one line, more we fly 2. But that’s how just about every place is doing it. <BR>
<BR>
And I know there are plenty of contests with fewer people...but that’s not where the midairs are occurring I don’t think. If they are, then clearly they should only be flying one at a time. But it’s the 30 contestant contests...or 40 (granted there are fewer of those) and even the 25 person contest that we need to address, and one flight line just doesn’t cut it. Granted...if you only have one line with 25 people, and you only fly 3 flights in 2days...you’re likely to have less than 25 the next year...so problem solved :)<BR>
<BR>
The reality is that midair collisions are part of flying RC models, just like battery failure, structural failure, radio failure and brain failure. We try our best to mitigate the risk of each, but we can’t eliminate any of them unless we simply choose not to fly.<BR>
<BR>
Apparently most of those in this discussion always practice alone. I for one have a higher risk of mid airs at my practice field (usually at least 2 other airplanes in the air and sometimes 3 or 4) than I do at a contest. Unfortunately some club members do it intentionally just so the “pattern guy” doesn’t get the air to himself. That’s a different matter all together.<BR>
<BR>
Anyhow, I like the idea of skewed flight lines...reduces the risk in my mind, but that remains to be proven. <BR>
<BR>
<BR>
On 10/2/07 11:29 AM, "vicenterc@comcast.net" <vicenterc@comcast.net> wrote:<BR>
<BR>
</SPAN></FONT><BLOCKQUOTE><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:12.0px'>Assuming 10 minutes per flight, it takes:<BR>
<BR>
2 hrs 30 minutes if there are 15 pilots registered<BR>
3 hrs 20 minutes if there are 20 pilots registered<BR>
<BR>
If we start at 9 am on both days we could fly:<BR>
<BR>
4 rounds for the 15 pilots contest<BR>
3 rounds for the 20 pilots contest<BR>
<BR>
On Sunday the 15 pilots contest could easily fly 2 rounds. Difficult to do 2 rounds for the 20 pilots contests unless all agree to finish around 3-4 PM. . Clearly more than 20 pilots there is not choice but fly 2 lines.<BR>
<BR>
Of course, we will need to fly with sun spots at least 2-3 hrs each day. The repositioning allowance should be used to avoid the direct sun.<BR>
<BR>
Am I right in my numbers?<BR>
<BR>
--<BR>
Vicente "Vince" Bortone<BR>
<BR>
</SPAN></FONT><BLOCKQUOTE><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:12.0px'>-------------- Original message -------------- <BR>
From: vicenterc@comcast.net <BR>
I agree with Chris comments. Last weekend we flew together at Ft. Scott, Kansas. I flew first on day 1 and 2 since I was judging the other line. Therefore, I flew alone those two rounds. Based on judges feedback those were my best flights. Of course, after my mid-air at the Nats this year, I still looking too much the other plane and I loose concentration on my fly. I also flew three weeks ago in the IMAC contest in Wichita. We were only 10 pilots and we used the sun spot. It worked very well for me. Now, I wonder if the sun spots and starting early both days is a good solution in local contests with about 15-20 pilots. <BR>
<BR>
--<BR>
Vicente "Vince" Bortone<BR>
<BR>
</SPAN></FONT><BLOCKQUOTE><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:12.0px'>-------------- Original message -------------- <BR>
From: "White, Chris" <chris@ssd.fsi.com> <BR>
</SPAN><FONT COLOR="#000080"><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'>Brian Young also had a midair at N Dallas in 2003∑ <BR>
<BR>
Hmmm∑. Cost vs Value of running 2 flight lines? How much does time saving cost∑? We‚d get to see a lot more flying if only one were ran with maybe 2 ready boxes and a line chief so flights could rapidly commence. Start the contest at 9:00 am and use a good sunspot. Get the FAI guys flying first, Masters next etc. The safety factor would increase because there would be no carryouts during flying in session. The pilots would know when they were going to fly way in advance with plenty of time to mentally prepare. There would be no fear in flight of midairs∑.only intense concentration on maneuveringJ& n bsp; Would a person fly 4 rounds if they knew they had to???? Contests would be a lot more laid back wouldn‚t they?<BR>
<BR>
Is the question of pattern quality, or just how many competition flights we can get in. Would we be better pilots with better performance if we focused more on making each flight count????<BR>
<BR>
Chris White<BR>
</SPAN></FONT></FONT><SPAN STYLE='font-size:12.0px'>
</SPAN></FONT>
<P ALIGN=CENTER>
<FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'><HR ALIGN=CENTER SIZE="2" WIDTH="100%"></SPAN></FONT></FONT>
<P>
<FONT SIZE="4"><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:13.0px'><B>From:</B> nsrca-discussion-bounces@lists.nsrca.org [<a href="mailto:nsrca-discussion-bounces@lists.nsrca.org]">mailto:nsrca-discussion-bounces@lists.nsrca.org]</a> <B>On Behalf Of </B>Lance Van Nostrand<BR>
<B>Sent:</B> Monday, October 01, 2007 9:25 PM<BR>
<B>To:</B> NSRCA Mailing List<BR>
<B>Subject:</B> Re: [NSRCA-discussion] Mid-Air discussion<BR>
</SPAN></FONT></FONT><FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'> <BR>
</SPAN></FONT></FONT><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'>Most fields, including Crowley, may not handle a 10 degree cant outwards, but an inward can't would fit. Would this look too weird? At 150m there is no danger in crossing the flight line, but still....<BR>
</SPAN></FONT><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'>--Lance<BR>
</SPAN></FONT><SPAN STYLE='font-size:12.0px'><BR>
</SPAN></FONT><FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'> <BR>
</SPAN></FONT></FONT><BLOCKQUOTE><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'>----- Original Message ----- <BR>
</SPAN></FONT><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'><B>From:</B> Dr. Mike Harrison <a href="mailto:drmikedds@sbcglobal.net"><mailto:drmikedds@sbcglobal.net></a> <BR>
</SPAN></FONT><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'><B>To:</B> NSRCA Mailing List <a href="mailto:nsrca-discussion@lists.nsrca.org"><mailto:nsrca-discussion@lists.nsrca.org></a> <BR>
</SPAN></FONT><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'><B>Sent:</B> Wednesday, September 26, 2007 3:27 PM<BR>
</SPAN></FONT><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'><B>Subject:</B> Re: [NSRCA-discussion] Mid-Air discussion<BR>
</SPAN></FONT><SPAN STYLE='font-size:12.0px'><BR>
</SPAN></FONT><FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'> <BR>
</SPAN></FONT></FONT><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'>Keith,<BR>
</SPAN></FONT><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'>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. <BR>
</SPAN></FONT><SPAN STYLE='font-size:12.0px'><BR>
</SPAN></FONT><FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'> <BR>
</SPAN></FONT></FONT><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'>Also, another help is to separate the lines farther so that center manuevers do not overlap. <BR>
</SPAN></FONT><SPAN STYLE='font-size:12.0px'><BR>
</SPAN></FONT><FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'> <BR>
</SPAN></FONT></FONT><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'>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. <BR>
</SPAN></FONT><SPAN STYLE='font-size:12.0px'><BR>
</SPAN></FONT><FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'> <BR>
</SPAN></FONT></FONT><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'>I am all for this concept.<BR>
</SPAN></FONT><SPAN STYLE='font-size:12.0px'><BR>
</SPAN></FONT><FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'> <BR>
</SPAN></FONT></FONT><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'>Lets try it a t Crowley.<BR>
</SPAN></FONT><SPAN STYLE='font-size:12.0px'><BR>
</SPAN></FONT><FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'> <BR>
</SPAN></FONT></FONT><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'>Mike<BR>
</SPAN></FONT><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'>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. <BR>
</SPAN></FONT></FONT><BLOCKQUOTE><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'>----- Original Message ----- <BR>
</SPAN></FONT><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'><B>From:</B> Keith Black <a href="mailto:tkeithblack@gmail.com"><mailto:tkeithblack@gmail.com></a> <BR>
</SPAN></FONT><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'><B>To:</B> NSRCA Mailing List <a href="mailto:nsrca-discussion@lists.nsrca.org"><mailto:nsrca-discussion@lists.nsrca.org></a> <BR>
</SPAN></FONT><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'><B>Sent:</B> Wednesday, September 26, 2007 1:23 PM<BR>
</SPAN></FONT><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'><B>Subject:</B> Re: [NSRCA-discussion] Mid-Air discussion<BR>
</SPAN></FONT><SPAN STYLE='font-size:12.0px'><BR>
</SPAN></FONT><FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'> <BR>
</SPAN></FONT></FONT><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'>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.<BR>
</SPAN></FONT><SPAN STYLE='font-size:12.0px'><BR>
</SPAN></FONT><FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'> <BR>
</SPAN></FONT></FONT><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'>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.<BR>
</SPAN></FONT><SPAN STYLE='font-size:12.0px'><BR>
</SPAN></FONT><FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'> <BR>
</SPAN></FONT></FONT><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'>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.<BR>
</SPAN></FONT><SPAN STYLE='font-size:12.0px'><BR>
</SPAN></FONT><FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'> <BR>
</SPAN></FONT></FONT><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'>Keith</SPAN></FONT><SPAN STYLE='font-size:12.0px'> <BR>
</SPAN></FONT><BLOCKQUOTE><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'>----- Original Message ----- <BR>
</SPAN></FONT><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'><B>From:</B> vicenterc@comcast.net <BR>
</SPAN></FONT><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'><B>To:</B> NSRCA Mailing List <a href="mailto:nsrca-discussion@lists.nsrca.org"><mailto:nsrca-discussion@lists.nsrca.org></a> ; NSRCA Mailing List <a href="mailto:nsrca-discussion@lists.nsrca.org"><mailto:nsrca-discussion@lists.nsrca.org></a> <BR>
</SPAN></FONT><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'><B>Sent:</B> Wednesday, September 26, 2007 6:52 AM<BR>
</SPAN></FONT><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'><B>Subject:</B> Re: [NSRCA-discussion] Mid-Air discussion<BR>
</SPAN></FONT><SPAN STYLE='font-size:12.0px'><BR>
</SPAN></FONT><FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'> <BR>
</SPAN></FONT></FONT><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:12.0px'><BR>
</SPAN></FONT><FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'>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.<BR>
</SPAN></FONT></FONT><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:12.0px'><BR>
</SPAN></FONT><FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'> <BR>
</SPAN></FONT></FONT><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:12.0px'><BR>
</SPAN></FONT><FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'>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. <BR>
</SPAN></FONT></FONT><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:12.0px'><BR>
</SPAN></FONT><FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'> <BR>
</SPAN></FONT></FONT><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:12.0px'><BR>
</SPAN></FONT><FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'>Regards,<BR>
</SPAN></FONT></FONT><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:12.0px'><BR>
</SPAN></FONT><FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'> <BR>
</SPAN></FONT></FONT><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:12.0px'><BR>
</SPAN></FONT><FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'>--<BR>
Vicente "Vince" Bortone<BR>
</SPAN></FONT></FONT><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:12.0px'><BR>
</SPAN></FONT><FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'> <BR>
</SPAN></FONT></FONT><BLOCKQUOTE><FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'>-------------- Original message -------------- <BR>
From: "Dave Michael" <davidmichael1@comcast.net> <BR>
</SPAN></FONT></FONT><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'>No- if it's obvious that you were in no danger of a mid-air then you get a zero.<BR>
</SPAN></FONT></FONT></BLOCKQUOTE></BLOCKQUOTE></BLOCKQUOTE></BLOCKQUOTE></BLOCKQUOTE></BLOCKQUOTE></BLOCKQUOTE><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'>----- Original Message ----- <BR>
</SPAN></FONT><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'><B>From:</B> J N Hiller <a href="mailto:jnhiller@earthlink.net"><mailto:jnhiller@earthlink.net></a> <BR>
</SPAN></FONT><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'><B>To:</B> NSRCA Mailing List <a href="mailto:nsrca-discussion@lists.nsrca.org"><mailto:nsrca-discussion@lists.nsrca.org></a> <BR>
</SPAN></FONT><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'><B>Sent:</B> Wednesday, September 26, 2007 6:17 AM<BR>
</SPAN></FONT><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'><B>Subject:</B> Re: [NSRCA-discussion] Mid-Air discussion<BR>
</SPAN></FONT><SPAN STYLE='font-size:12.0px'><BR>
</SPAN></FONT><FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'> <BR>
</SPAN></FONT></FONT><FONT COLOR="#993366"><FONT SIZE="4"><FONT FACE="Arial"><SPAN STYLE='font-size:13.0px'>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.<BR>
Jim Hiller<BR>
<BR>
</SPAN></FONT></FONT></FONT><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'><FONT FACE="Verdana, Helvetica, Arial">-----Original Message-----<BR>
<B>From:</B> nsrca-discussion-bounces@lists.nsrca.org [<a href="mailto:nsrca-discussion-bounces@lists.nsrca.org]">mailto:nsrca-discussion-bounces@lists.nsrca.org]</a><B>On Behalf Of </B>Dave Michael<BR>
<B>Sent:</B> Tuesday, September 25, 2007 7:39 PM<BR>
<B>To:</B> NSRCA Mailing List<BR>
<B>Subject:</B> Re: [NSRCA-discussion] Mid-Air discussion<BR>
</FONT></SPAN></FONT><FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'> <BR>
</SPAN></FONT></FONT><FONT SIZE="4"><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:13.0px'>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.<BR>
</SPAN></FONT></FONT><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'>----- Original Message ----- <BR>
</SPAN></FONT><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'><B>From:</B> J N Hiller <a href="mailto:jnhiller@earthlink.net"><mailto:jnhiller@earthlink.net></a> <BR>
<BR>
</SPAN></FONT><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'><B>To:</B> NSRCA Mailing List <a href="mailto:nsrca-discussion@lists.nsrca.org"><mailto:nsrca-discussion@lists.nsrca.org></a> <BR>
<B>Sent:</B> Tuesday, September 25, 2007 9:39 PM<BR>
<B>Subject:</B> Re: [NSRCA-discussion] Mid-Air discussion<BR>
</SPAN></FONT></FONT><FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'> <BR>
</SPAN></FONT></FONT><FONT COLOR="#000080"><FONT SIZE="4"><FONT FACE="Arial"><SPAN STYLE='font-size:13.0px'>If I am in the process of hosing a maneuver can I bail out claming mid-air avoidance and re-fly it?<BR>
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.<BR>
I guess I would flinch plenty, maybe even crash if we were using that 140 DB air horn to warn of potential midairs.<BR>
Jim Hiller<BR>
<BR>
</SPAN></FONT></FONT></FONT><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'>-----Original Message-----<BR>
<B>From:</B> nsrca-discussion-bounces@lists.nsrca.org [<a href="mailto:nsrca-discussion-bounces@lists.nsrca.org]">mailto:nsrca-discussion-bounces@lists.nsrca.org]</a><B>On Behalf Of </B>Dave Michael<BR>
<B>Sent:</B> Tuesday, September 25, 2007 4:45 PM<BR>
<B>To:</B> NSRCA Mailing List<BR>
<B>Subject:</B> Re: [NSRCA-discussion] Mid-Air discussion<BR>
</SPAN></FONT></FONT><FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'> <BR>
</SPAN></FONT></FONT><FONT SIZE="4"><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:13.0px'>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.<BR>
</SPAN></FONT></FONT><FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'> <BR>
</SPAN></FONT></FONT><FONT SIZE="4"><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:13.0px'>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. <BR>
</SPAN></FONT></FONT><FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'> <BR>
</SPAN></FONT></FONT><FONT SIZE="4"><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:13.0px'>Dave Michael<BR>
</SPAN></FONT></FONT><FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'> <BR>
</SPAN></FONT></FONT><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'>----- Original Message ----- <BR>
</SPAN></FONT><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'><B>From:</B> Keith Black <a href="mailto:tkeithblack@gmail.com"><mailto:tkeithblack@gmail.com></a> <BR>
</SPAN></FONT></FONT><FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'> <BR>
</SPAN></FONT></FONT><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'> <BR>
</SPAN></FONT><SPAN STYLE='font-size:12.0px'><BR>
</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'><B>To:</B> NSRCA Mailing List <a href="mailto:nsrca-discussion@lists.nsrca.org"><mailto:nsrca-discussion@lists.nsrca.org></a> <BR>
<B>Sent:</B> Tuesday, September 25, 2007 5:47 PM<BR>
<B>Subject:</B> [NSRCA-discussion] Mid-Air discussion<BR>
</SPAN></FONT></FONT><FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'> <BR>
</SPAN></FONT></FONT><FONT SIZE="4"><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:13.0px'>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><BR>
</SPAN></FONT></FONT><BLOCKQUOTE><FONT FACE="Times New Roman"><SPAN STYLE='font-size:12.0px'> <BR>
</SPAN></FONT><FONT SIZE="4"><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:13.0px'>If you'd just like to hear the idea I'll paste my RCU posting below:<BR>
</SPAN></FONT></FONT><FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'> <BR>
</SPAN></FONT><SPAN STYLE='font-size:16.0px'><FONT FACE="Verdana, Helvetica, Arial">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.<BR>
</FONT></SPAN></FONT><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:12.0px'>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. <BR>
</SPAN><FONT SIZE="5"><SPAN STYLE='font-size:16.0px'>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 of! f of th eir 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.<BR>
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!<BR>
Keith Black<BR>
</SPAN></FONT><SPAN STYLE='font-size:12.0px'>
</SPAN></FONT>
<P ALIGN=CENTER>
<FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'><HR ALIGN=CENTER SIZE="2" WIDTH="100%"></SPAN></FONT></FONT>
<P>
<FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'>_______________________________________________<BR>
NSRCA-discussion mailing list<BR>
NSRCA-discussion@lists.nsrca.org<BR>
<a href="http://lists.nsrca.org/mailman/listinfo/nsrca-discussion">http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</a><BR>
</SPAN></FONT></FONT><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:12.0px'>
</SPAN></FONT>
<P ALIGN=CENTER>
<FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'><HR ALIGN=CENTER SIZE="2" WIDTH="100%"></SPAN></FONT></FONT>
<P>
<FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'>_______________________________________________<BR>
NSRCA-discussion mailing list<BR>
NSRCA-discussion@lists.nsrca.org<BR>
<a href="http://lists.nsrca.org/mailman/listinfo/nsrca-discussion">http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</a>
</SPAN></FONT></FONT>
<P ALIGN=CENTER>
<FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'><HR ALIGN=CENTER SIZE="2" WIDTH="100%"></SPAN></FONT></FONT>
<P>
<FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:12.0px'><BR>
</SPAN></FONT><FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'>_______________________________________________<BR>
NSRCA-discussion mailing list<BR>
NSRCA-discussion@lists.nsrca.org<BR>
<a href="http://lists.nsrca.org/mailman/listinfo/nsrca-discussion">http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</a>
</SPAN></FONT></FONT>
<P ALIGN=CENTER>
<FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'><HR ALIGN=CENTER SIZE="2" WIDTH="100%"></SPAN></FONT></FONT>
<P>
<FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:12.0px'><BR>
</SPAN></FONT><FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'>_______________________________________________<BR>
NSRCA-discussion mailing list<BR>
NSRCA-discussion@lists.nsrca.org<BR>
<a href="http://lists.nsrca.org/mailman/listinfo/nsrca-discussion">http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</a>
</SPAN></FONT></FONT>
<P ALIGN=CENTER>
<FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'><HR ALIGN=CENTER SIZE="2" WIDTH="100%"></SPAN></FONT></FONT>
<P>
<FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:12.0px'><BR>
</SPAN></FONT><FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'>_______________________________________________<BR>
NSRCA-discussion mailing list<BR>
NSRCA-discussion@lists.nsrca.org<BR>
<a href="http://lists.nsrca.org/mailman/listinfo/nsrca-discussion">http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</a>
</SPAN></FONT></FONT>
<P ALIGN=CENTER>
<FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'><HR ALIGN=CENTER SIZE="2" WIDTH="100%"></SPAN></FONT></FONT>
<P>
<FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:12.0px'><BR>
</SPAN></FONT><FONT SIZE="5"><FONT FACE="Times New Roman"><SPAN STYLE='font-size:16.0px'>_______________________________________________<BR>
NSRCA-discussion mailing list<BR>
NSRCA-discussion@lists.nsrca.org<BR>
<a href="http://lists.nsrca.org/mailman/listinfo/nsrca-discussion">http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</a><BR>
</SPAN></FONT></FONT><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:12.0px'><BR>
<HR ALIGN=CENTER SIZE="3" WIDTH="95%"></SPAN></FONT><FONT SIZE="2"><FONT FACE="Monaco, Courier New"><SPAN STYLE='font-size:10.0px'>_______________________________________________<BR>
NSRCA-discussion mailing list<BR>
NSRCA-discussion@lists.nsrca.org<BR>
<a href="http://lists.nsrca.org/mailman/listinfo/nsrca-discussion">http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</a><BR>
</SPAN></FONT></FONT></BLOCKQUOTE><FONT SIZE="2"><FONT FACE="Monaco, Courier New"><SPAN STYLE='font-size:10.0px'><BR>
</SPAN></FONT></FONT>
</BODY>
</HTML>