Regulations and Government
FAA's Privacy Program for Aircraft Goes Live
The FAA's PIA privacy program comes in response to concerns over the traceability that comes with Mode S transponders.

The FAA’s Privacy ICAO Address (PIA) program went live late last week, providing operators the means to shield their movements from publicly available flight tracking. Separate from the Limiting Aircraft Data Displayed (LADD) program that was formerly known as the Block Aircraft Registration Request, PIA is designed to address privacy concerns with the traceability that comes with mode-S, key equipment used for ADS-B. Mode-S transponders right now emit the aircraft’s ICAO code enabling people to track aircraft.