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no xpdr ops, was Encoder Certification

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aerobubba(at)earthlink.ne
Guest

Posted: Mon Jan 18, 2010 12:44 am Post subject: no xpdr ops, was Encoder Certification

Hi All-



Just a tangential data point here-



I know of a fella who has an experimental with an inop xpdr, based at a

controlled field under class B airspace.  He comes and goes frequently, and

with no more hassle than to include "negative transponder" at the end of

his initial contact.  ATC has never once had one word on the topic, or the

slightest discrimination towards him for it.  It could not be less of an

issue for him.



FWIW-



glen matejcek

aerobubba(at)earthlink.net

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MauleDriver(at)nc.rr.com
Guest

Posted: Mon Jan 18, 2010 6:38 am Post subject: no xpdr ops, was Encoder Certification

Just a tangential data point here-

 	  Quote: 	
		   I know of a fella who has an experimental with an inop xpdr, based at a

 controlled field under class B airspace.  He comes and goes frequently, and

 with no more hassle than to include "negative transponder" at the end of

 his initial contact.  ATC has never once had one word on the topic, or the

 slightest discrimination towards him for it.  It could not be less of an

 issue for him.



 FWIW-

   

Wouldn't it be nice if he'd get it fixed - just for kicks.
	




do not archive



(I'm guessing there's no issue for ATC to deal with - the controllers at 

the destination aren't even looking at radar and he slips under the 

bottom of the class B.  The people who might object aren't even 

contacted.  Just a guess though)

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aerobubba(at)earthlink.ne
Guest

Posted: Tue Jan 19, 2010 7:45 am Post subject: no xpdr ops, was Encoder Certification

 	  Quote: 	
		   From: Bill Mauledriver Watson <MauleDriver(at)nc.rr.com>

 Subject: Re: no xpdr ops, was Encoder Certification

 Just a tangential data point here-

 > I know of a fella who has an experimental with an inop xpdr, based at a

 > controlled field under class B airspace.  He comes and goes frequently,

and

 	  Quote: 	
		   > with no more hassle than to include "negative transponder" at the end of

 > his initial contact.  ATC has never once had one word on the topic, or

the

 	  Quote: 	
		   > slightest discrimination towards him for it.  It could not be less of an

 > issue for him.

 >

 > FWIW-

 >   

 Wouldn't it be nice if he'd get it fixed - just for kicks.

 	  Quote: 	

 (I'm guessing there's no issue for ATC to deal with - the controllers at 

 the destination aren't even looking at radar and he slips under the 

 bottom of the class B.  The people who might object aren't even 

 contacted.  Just a guess though)

Okay, just for kicks, here comes the micrometer.  The airport in question

is actually just outside the class B, within the veil.  The Australian

manufacturer made repairing the xpdr the most problematic alternative.  As

to the guessing, you are one third correct.  It is no issue for ATC.  The

other factors are that the tower has a BRITE set that they use quite

admirably, and that the TRACON guys don't object or remotely care about

what goes on in the underlaying class D airspace.  The craft is a VFR

competition aerobatic machine that spends most of it's flying time in the

practice area just outside the class D.  No guessing involved.

glen matejcek

aerobubba(at)earthlink.net

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