Florida-based Mammoth Freighters LLC has launched a passenger-to-freighter conversion program for the -200LR and -300ER variants of the 777, and intends to become the first company to convert 777-200LRs into full freighters. Mammoth told Cargo Facts that it is aiming to certify the 777-200LRMF with a Supplemental Type Certificate (STC) from the Federal Aviation Administration […]