Ads-B inspection requirement with 91.411 & 91.413

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mspguy

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mspguy
Does anyone know if an aircraft that has Ads-B out installed and now is due the 91.411 and 91.413 checks need to do anything special about ADs-B? My understanding the test equipment is different for transponder vs transponder ads b. Not every shop I have spoken with has both yet.

Our aircraft is a transport category and will also require RVSM compliance. Our transponder has an enhanced squitter MODE S and 2 years ago we added ADS B.

Reviewing the approved maintenance outline for RVSM in the airplane, ADs-b is not mentioned.

Reviewing FAR's, I don't see anything about a recurrent check on Ads-B. Did I miss this, or is the FAA/ICAO overlooking an ongoing maintenance check of ADs-B? Or is it assumed that when the repairman tests the transponder, they are also certifying the ads-B is operational, thus requiring the Ads-b Box?

Thank you.
 
Could it be that the question is moot since the FAA will send you a letter if it thinks your ADS-B out is not performing properly. If you don’t get a letter, I’d presume no checks or repairs are necessary. After all, the FAA is getting both your transponder data and Ads-b packet info at the same time for their amusement and critical review. You can also get a PAPR report on any flight you have completed to know if there are any significant discrepancies.
 
Last edited:
MajorTurbulence said:
Could it be that the question is moot since the FAA will send you a letter if it thinks your ADS-B out is not performing properly. If you don’t get a letter, I’d presume no checks or repairs are necessary.
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That's my understanding of why there is no inspection requirement.
 
And it begins
 
It looks like it never had to begin since the question was satisfactorily answered.
 
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