Mailing List lml@lancaironline.net Message #47750
From: Douglas Brunner <douglasbrunner@earthlink.net>
Sender: <marv@lancaironline.net>
Subject: Re: [LML] Re: Traffic Systems
Date: Sun, 22 Jun 2008 10:37:50 -0400
To: <lml@lancaironline.net>
I always use my transponder - not only do I want to see, but I also want to be seen.  Legacys are not very big or easily seen.  I usually fly instruments and I can't tell you how many times I have heard from other planes after a traffic call out: "no I can't see him, but I have him on TCAS". 
 
If I had my transponder off, it would be much harder for the other plane (that had traffic) to see me.  I would be cutting down my chances to avoid a collision by 1/2 (Actually, more than that since I don't have traffic in my plane)
 
On another, but related topic - does anyone have recent information on ADS-B.  When I built my plane, I decided to put in weather, but not to invest in traffic.  Supposedly, ADS-B stations are getting installed across the country over the next couple of years and also supposedly the price of an ADS-B receiver will come down.  If I could get an ADS-B receiver for a reasonable price (less than the $9,000 they sell for now) and it gave me both traffic and weather it would be great.
 
I understand that AOPA has opposed the most recent FAA plan for ADS-B because some of the premium weather services (winds aloft, etc.) won't be included for free.  Still, if I could get basic weather (mostly worried about thunderstorms) and traffic for free I would go for it.
 
D. Brunner
 
 
----- Original Message -----
Sent: Saturday, June 21, 2008 5:45 PM
Subject: [LML] Re: Traffic Systems

Yes, but not everywhere.  Note that the part you quoted references 91.215 (b), which lists all the airspace that requires use of a transponder (i.e. in class A, B and C airspace, within 30 nm of most class B airports, above 10,000 ft MSL, etc).  Part (c) doesn't apply outside the airspace listed in (b) though.

--- On Fri, 6/20/08, VTAILJEFF@aol.com <VTAILJEFF@aol.com> wrote:
From: VTAILJEFF@aol.com <VTAILJEFF@aol.com>
Subject: [LML] Re: Traffic Systems
To: lml@lancaironline.net
Date: Friday, June 20, 2008, 4:42 PM

If it is installed, it is supposed to be "on" according to FAR 91.215 (c)
 
(c) Transponder-on operation. While in the airspace as specified in paragraph (b) of this section or in all controlled airspace, each person operating an aircraft equipped with an operable ATC transponder maintained in accordance with §91.413 of this part shall operate the transponder, including Mode C equipment if installed, and shall reply on the appropriate code or as assigned by ATC.
 
Jeff
 
In a message dated 6/19/2008 1:17:09 P.M. Central Daylight Time, airmale4@yahoo.com writes:
My biggest complaint is (flying the L3 since 2002) frequently intruders don't have their transponder on. When I can get them frequently on unicom and ask they say it is not necessary out side of the 30 mile Vail.




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