Principle Cigars Launches Aviator NightFlight In Europe Samuel Spurr - October 2, 2018 - Cigar News, New Cigars, New Releases, Top-News Principle Cigars Launches Aviator NightFlight In Europe Samuel Spurr - October 2, 2018 - Cigar News, New Cigars, New Releases, Top-News Principle Cigars’ Aviator NightFlight line, an expanded edition of the Aviator series, will be launched in Europe.