Mammoth Freighters FAA certifies Mammoth’s 777-200LR ‘Big Twin’ freighter conversion News FAA certifies Mammoth’s 777-200LR ‘Big Twin’ freighter conversion Boeing 777 April 9, 2026 US government shutdown stalls Mammoth Freighters’ 777-200LRMF certification News US government shutdown stalls Mammoth Freighters’ 777-200LRMF certification Boeing 777 November 3, 2025 Qatar Airways is the launch customer for Mammoth’s B777-200LRMF freighter conversion News Qatar Airways is the launch customer for Mammoth’s B777-200LRMF freighter conversion Boeing 777 Freighter May 6, 2025
