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ADS-B And Non-Performing Emitters

April 2018

According to the most recent data from the FAA (Federal Aviation Association), slightly fewer than 10% of all U.S. registered ADS-B (Automatic Dependent Surveillance Broadcast)-equipped aircraft are NPE, or non-performing emitters. Having NPE means the aircraft’s ADS-B Out system is not transmitting in compliance with FAR (Federal Aviation Regulations) 91.227.

Here are some common issues that result in having NPE:

  1. Incorrect software version or improper system configuration can result in reduced aircraft position integrity/accuracy.
  2. Incorrect emitter category results when the aircraft’s ADS-B system is transmitting the wrong emitter category based on its maximum take-off weight.
  3. Incorrect Flight ID is a result of the aircraft registration for Mode S not matching the Flight ID.
  4. Transmitting airborne data while the aircraft is on the ground.

Is Your ADS-B Equipment Compliant?  

Go to FAA Website: https://adsbperformance.faa.gov/PAPRRequest.aspx and request a PAPR (Public ADS-B Performance Report). A PAPR provides an additional method of verifying proper operation of ADS-B equipment.

After answering a few questions about your ADS-B installation, you will receive a report from the FAA showing what parameters have failed, if any. Instructions and a User’s Guide can be found on the website.

If you have any questions, don’t hesitate to reach out. I’m happy to help.

 

 

Contact

Marty Stevens Avionics Tech Rep Battle Creek, MI (BTL) +1 269.565.3561

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