CFM International has finalized a long-term service agreement with LATAM Airlines Group (LATAM) to support the operation and maintenance of 35 of the group's CFM56-5B engines. Under the terms of the 12-year Rate Per Flight Hour (RPFH) service agreement, CFM will guarantee engine maintenance costs on a dollar per engine flight hour basis for the 35 CFM56-5B engines in the airline's fleet.