New FAA helicopter aircraft separation rule replaces visual separation with ATC radar control in Class B and C airspace.
This document functions as a MASPS for the Detect & Avoid [Traffic] system (DAA) for Remotely Piloted Aircraft Systems (RPAS) operating in certified category in class A to G airspaces under Instrument ...
FAA Tightens Airspace Safety After Deadly D.C. Crash ...