14 engine families
Engines
The powerplants behind the fleet
Most of what goes wrong on a modern airliner goes wrong at the engine. These pages track each family's durability, time on wing and shop visit reality.
CFM International
The GE Aerospace and Safran joint venture, and the most prolific engine maker in commercial aviation by unit count.
GE Aerospace
Widebody powerplants from the CF6 through the GE9X, plus the CF34 that powers most of the regional jet fleet.
Pratt and Whitney
The geared turbofan that reshaped the single aisle market, and the PW4000 still working on widebodies.
Rolls-Royce
The three shaft Trent family, which has gone from the industry's hardest durability problem to its clearest recovery story.
Joint ventures
Two consortium engines that each hold a significant in service fleet without a current production line.