CFM RISE engine

Cleared Direct Sep 3, 2026

The CFM RISE Open Fan Engine, the Return of the Propfan, and the Forty-Year-Old Idea That Could Reshape Every Narrowbody in the Sky

CFM International's RISE program is reviving the open fan engine with modern materials and AI design tools that could deliver 20%+ fuel savings for the next narrowbody generation.

Vector

Cleared Direct Apr 23, 2026

The CFM RISE open-fan engine and the twenty percent fuel burn revolution coming to airliners by twenty thirty-five

CFM International's RISE open-fan engine targets a 20% fuel burn reduction over current LEAP engines, with entry into service around 2035.

Vector