Table 3. Refined weight of anticipated potential of fuel savings by phases of flight operation

Lv 1	Weight	Level 2	Weight
Ground opt	0.092	Use of APU, GPU, ACU	0.689
Ground opt	0.092	Engine turn on time	0.311
Take off / climb	0.321	Climb profile by fmcs	0.565
Take off / climb	0.321	Reduced accel. altitude	0.435
Cruise	0.337	Air speed by cost index	0.230
Cruise	0.337	Direct route	0.770
Descent / app.	0.149	Power idle descent	0.459
Descent / app.	0.149	Landing config. time	0.541
Land / ramp-in	0.101	Use of reverse thrust	0.402
		Ramp–in with one engine	0.329
		APU turn on time	0.269

※ (CR) = (CI / RI) × 100%