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  #31  
Old 11-16-2019, 12:38 PM
BobTurner BobTurner is offline
 
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Originally Posted by Snowflake View Post
Every time an ADS-B thread comes up, it becomes immediately apparent how few people understand (a) how ADS-B works, and (b) what the regulations are surrounding ADS-B.
+1 Just try to explain why your “out” data tells the world that you are listening to adsb-in on zero, one, or two frequencies, and watch people’s eyes glaze over.
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  #32  
Old 11-16-2019, 12:49 PM
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RV8JD RV8JD is offline
 
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Originally Posted by FasGlas View Post
Has anyone looked into formation and ADS-B? You only use one Xponder in formation, how do you think ATC would like 8 ADS-B transmitters 20 feet apart.
It's been addressed. From the AOPA:
"The FAA has published a new rule that allows air traffic control to authorize some aircraft to turn off their Automatic Dependent Surveillance-Broadcast (ADS-B) Out equipment to avoid jeopardizing ATC or flight safety. The rule was long sought by a working group on which AOPA served.

The rule, which authorizes the non-lead aircraft in formations to turn off their transponders or ADS-B, was published and took effect on July 18—just days before thousands of aircraft, including many flying in formation, were scheduled to arrive at Oshkosh, Wisconsin, for EAA AirVenture, one of the year’s largest aviation gatherings."

And the Interim Final Rule, Effective July 18, 2019, from the Federal Register. Also, search for "formation" in the FR, as it is discussed in several places in addition to the excerpt below.
"In the second instance, this rule excepts certain aircraft from operating a transponder or transmitting ADS-B Out when transmitting would compromise the safe execution of air traffic services. At this time, the only operation of which the FAA is aware that would jeopardize the safe execution of air traffic control functions due to operating a transponder or transmitting ADS-B Out requirements is formation flight. Specifically, formation flight causes unnecessary and distracting alerts on ATC displays when all aircraft performing the flight are transmitting out. This rule allows the FAA to except certain aircraft from operating a transponder or transmitting ADS-B Out when doing so would jeopardize ATC functions.

In addition, in accordance with 5 U.S.C. 553(d)(1), the FAA is making this interim final rule effective upon publication because it is a substantive rule that relieves a restriction ..."

But note that it is up to ATC to direct the non-leads to turn off their transponders or turn off their ADS-B Out equipment.
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Last edited by RV8JD : 11-16-2019 at 01:12 PM.
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  #33  
Old 11-16-2019, 04:24 PM
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GalinHdz GalinHdz is offline
 
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Quote:
Originally Posted by Snowflake View Post
Every time an ADS-B thread comes up, it becomes immediately apparent how few people understand (a) how ADS-B works, and (b) what the regulations are surrounding ADS-B.
Quote:
Originally Posted by BobTurner View Post
+1 Just try to explain why your “out” data tells the world that you are listening to adsb-in on zero, one, or two frequencies, and watch people’s eyes glaze over.
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  #34  
Old 12-02-2019, 10:32 PM
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nomocom nomocom is offline
 
Join Date: Jun 2009
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Default Concerned about privacy?

Concerned about privacy? Install UAT. Turn on anonymous mode and go flying. If you fly without needing to talk to ATC, stay in anonymous mode and forget about it. That solution is available now. Perhaps there will soon be private icao codes for ES transponders and those so equipped will have an option to not reveal their identity to the world.
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