Is sharing ADS-B data legal?

[dans2992]

Suppose you have one of the many available ADS-B receivers out there (for example piAware). This generates a web-page showing all ADS-B aircraft, and can position Mode S-only aircraft using MLAT.

Suppose you publish this data on a website. You do not block military traffic or aircraft on the FAA BARR list.

Is this legal? I'm thinking yes, since all this data is broadcast to anyone who can receive it and is unencrypted.

Does the answer change if a bunch of people pool their unfiltered data and publish it on a single website?


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[Jim Logajan]

Flightaware has basically been doing that for years with data supplied by government agencies, among other sources.

And here is one web site that appears to be attempting to aggregate ADS-B data into a web based map:

http://www.flightradar24.com/how-it-works