Legacy 600/650 vs GIV: how the two fleets are really flown

Fatigue: Hours per landing

Hours per landing

Where the two fleets sit
Legacy 600/650
GIV
1.2 : 12.9 : 1
Each dot is a percentile of its own fleet, from the 5th to the 95th; the shaded band is the middle half. The middle halves overlap from 1.7 : 1 to 2.1 : 1.

Source: The Aircraft Ledger