Investigators analysing CRJ and Black Hawk crews’ situational awareness prior to fatal collision … 33.
About 11s after the
CRJ descended through 500ft, its cockpit … crew to pass behind the
CRJ.
Some 16s after this instruction … was a “verbal reaction” from
CRJ crew. Flight-data recorder information … and UHF radio bands, the
CRJ only transmitted on VHF and …