Avionics-List Digest Archive

Sun 01/24/10


Total Messages Posted: 2



Today's Message Index:
----------------------
 
     1. 08:19 AM - Charting Uncontrolled Airspace ()
     2. 02:54 PM - Encoder Certification ()
 
 
 


Message 1


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    Time: 08:19:22 AM PST US
    From: <bakerocb@cox.net>
    Subject: Charting Uncontrolled Airspace
    1/24/2010 Hello Fellow Marine Old Bob, You wrote: "However, I do NOT see where controlled and uncontrolled airspace is pertinent to the discussion." Agreed -- airspace category identification on charts per se was not pertinent to the original posting, but that identification became of educational interest as postings went on. I don't think an audit trail of the entire sequence of postings on how this subject got all wrapped around the axle is desired by all readers -- so here is a condensed audit trail version: A) It all began with a posting by Steve Thomas (Msg # 48119 on Jan 16, 2010), using the subject "Encoder Certification" who wanted to know if he could fly away from his home base with his newly certified experimental amateur built airplane without an operating and certified transponder in order to have the appropriate transponder checks done at another location. B) Both you and I responded to his request (maybe some others as well) telling him how this was possible. Neither of us used the term "controlled airspace". C) Then on Jan 18, 2010 in #48141 Jon Finley wrote: "Everything noted so far in this thread assumes controlled airspace." and leaving the impression that controlled airspace alone could possibly be the determining factor in whether or not an aircraft was required to be equipped with an operable coded transponder. D) You and I both responded in a supportive, but clarification manner to Jon. Then followed a series of transponder oriented postings by many that morphed into a discussion of controlled versus uncontrolled airspace transponder requirements that further morphed into a discussion of how controlled and uncontrolled airspace was depicted on our aviation charts. E) In that discourse on Jan20, 2010 in Msg #48158 Jon wrote: "......one has to actually look at a sectional (NOT IFR chart) to see where true "uncontrolled airspace" exists." F) I then attempted to clarify that chart related statement by changing the subject line to "Charting Uncontrolled Airspace" and pointing out the existence of the brown shaded uncontrolled airspace locations on the low altitude IFR charts which could not be determined by looking at a Sectional chart alone. Jon took exception to my clarification and we were launched off on an ongoing posting wrangle on that charting point using the new subject line . So you can see how we got from encoder certification into airspace depictions on charts. Maybe a bit messy sequence of events, and maybe not all directly related to this aeroelectric list venue, but still of some interest to those of us who fly in this country. I am mindful of the many readers of this list who may absorb what is written here without a challenging or questioning attitude and I am reluctant to let stand potentially misleading information. Semper Fidelis, 'OC' ====================================================== Time: 09:55:51 AM PST US From: bobsv35b@aol.com Subject: Re: AeroElectric-List: Charting Uncontrolled Airspace Good Morning OC, I, for one admire your tenacity and am glad you are helping to educate the rest of us. However, I do NOT see where controlled and uncontrolled airspace is pertinent to the discussion. As I understood the question, he wanted to know where a transponder was required. A transponder is NOT required for VFR flight in the vast majority of controlled airspace. Happy Skies, Old Bob AKA Bob Siegfried Downers Grove. IL Stearman N3977A Never an officer, just a Corporal, USMC.


    Message 2


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    Time: 02:54:01 PM PST US
    From: <bakerocb@cox.net>
    Subject: Encoder Certification
    1/24/2010 Hello John Grosse, You wrote: "I personally don't understand why you just wouldn't buy a transponder..." {Response} Recall that this thread began with a posting by Steve Thomas (Msg # 48119 on Jan 16, 2010 using the subject "Encoder Certification") who wanted to know if he could fly away from his home base with his newly certified experimental amateur built airplane without an operating and certified transponder in order to have the appropriate transponder checks done at another location. Sorry that it got so drawn out and exhausting as we initially tried to help him and then got bogged down while trying to clarify some subsequent postings. 'OC' Says: "The best investment we can make is the effort to gather and understand knowledge." ===================================================== Time: 10:04:57 PM PST US From: John Grosse <grosseair@comcast.net> Subject: Re: AeroElectric-List: RE: Encoder Certification This whole discussion has me totally exhausted. I personally don't understand why you just wouldn't buy a transponder... unless, of course. you're smuggling drugs or are flying some WWI vintage rag bag with no electrical system. Then I get it, and why would you even care? John Grosse




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