Landing / Take - Off (LTO) Cycle A reference cycle for the calculation and reporting of
emissions, composed of four power settings and related operating times for
subsonic aircraft engines [Take - Off - 100 % power, 0.7 minutes; Climb - 85 %, 2.2 minutes; Approach - 30 %, 4.0 minutes; Taxi / Ground Idle - 7 %, 26.0 minutes].