Contrail Spotting - Westjet 737 vs United Embraer 170 - Only 2000ft Vertical Separation - Sep 5 2013 HD

Flight # - WJA1681 Airline - Westjet Speed= 400KTS Aircraft Type - B737-7CT Registration - C-FWAD Route - KEWR to CYYX Altitude - 38000ft Date (YMD) / Time (...