Raising the bar: CFM's LEAP engine is setting a new standard for commercial aviation CFM's LEAP engine celebrates the one-year anniversary of its entry into commercial service, with the fleet logging more than 200,000 flight hours. Tags CFM commercial flight entry into service Gaël Méheust GE LEAP LEAP engine Safran Read more about Raising the bar: CFM's LEAP engine is setting a new standard for commercial aviation