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  #11  
Old 10-20-2020, 07:27 PM
DHeal DHeal is offline
 
Join Date: Sep 2006
Location: Windsor, California
Posts: 984
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Per FAR 91:

(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, unless otherwise directed by ATC when transmitting would jeopardize the safe execution of air traffic control functions.

I guess the above hinges somewhat on the FAA's definition of "...operable ATC transponder maintained ...".
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  #12  
Old 10-20-2020, 07:51 PM
BobTurner BobTurner is offline
 
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Location: Livermore, CA
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Curious: What possible definition could there be, other than the obvious one?
‘If it works, and has been inspected and tested, you have to turn it on.’
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  #13  
Old 10-20-2020, 08:08 PM
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Walt Walt is offline
 
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Quote:
Originally Posted by BobTurner View Post
Curious: What possible definition could there be, other than the obvious one?
‘If it works, and has been inspected and tested, you have to turn it on.’
And it has to be inspected and tested to fly in controlled airspace unless you get a ferry permit to fly with it inoperative.
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  #14  
Old 10-20-2020, 09:05 PM
RFSchaller RFSchaller is offline
 
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Location: Phoenix, AZ
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In the Navy we used to have a saying: never ask a question if you think you might not like the answer!😜
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  #15  
Old 10-21-2020, 06:51 AM
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Mel Mel is offline
 
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Quote:
Originally Posted by RFSchaller View Post
In the Navy we used to have a saying: never ask a question if you think you might not like the answer!😜
Similar Air Force saying...."It's easier to beg forgiveness than to ask permission."
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  #16  
Old 10-21-2020, 07:20 AM
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snopercod snopercod is offline
 
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Here's what the test involves: 14 CFR Appendix F to Part 43 - ATC Transponder Tests and Inspections
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  #17  
Old 10-21-2020, 03:42 PM
sblack sblack is offline
 
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Location: Montreal
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You should be able to fly without it certified if you stay out of controlled airspace and placard it DO NOT USE. What would the DAR do if you took it out of the airplane? Will it crash?
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Last edited by sblack : 10-21-2020 at 10:24 PM.
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  #18  
Old 10-21-2020, 04:45 PM
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jnorris jnorris is offline
 
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Location: Oshkosh
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Quote:
Originally Posted by Mel View Post
Vic is correct and your FAA guy is wrong. The transponder certification is an operational issue. It has nothing to do with airworthiness certification.

Again, like Vic, if the aircraft is located where transponder is required, I remind the builder that the check IS required before flight.
Yep, I concur with Vic and Mel. The transponder isn't an airworthiness item.
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  #19  
Old 10-31-2020, 08:37 AM
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Inhot Inhot is offline
 
Join Date: Oct 2020
Location: Raleigh, Nc
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Default FAR 91.215 (d)

Situation: At an airport within the 30 mile Class C boundary, but below the Class C altitude. No transponder installed (ever). As I read the FAR 91.215 (d) (3) I can request a deviation from the Transponder requirement:

(d) ATC authorized deviations. Requests for ATC authorized deviations must be made to the ATC facility having jurisdiction over the concerned airspace within the time periods specified as follows:

(1) For operation of an aircraft with an operating transponder but without operating automatic pressure altitude reporting equipment having a Mode C capability, the request may be made at any time.

(2) For operation of an aircraft with an inoperative transponder to the airport of ultimate destination, including any intermediate stops, or to proceed to a place where suitable repairs can be made or both, the request may be made at any time.

(3) For operation of an aircraft that is not equipped with a transponder, the request must be made at least one hour before the proposed operation.


Seems straight forward. Am I reading it wrong (THAT'S happened before!)?
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  #20  
Old 10-31-2020, 09:51 AM
flyinga flyinga is offline
 
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Location: Fredericksburg, TX
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InHot,
I'm unfamiliar with the "30 mile class C boundary." Are you confusing this with the "mode C veil?"; 30 miles around class B airports?
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