Chapter 4
Utilization
Harsher than its type
How hard has it been used?
Heavy use means more of its maintenance intervals have been used up. Worth checking where it sits in its inspection cycle before a pre-buy.
Flights a monthLead measure. 83rd percentile
Middle 8.5N772QS040+27.4middle Challenger 300 8.4
Days flown a month79th percentile
Middle 5.8N772QS020+13.9 dmiddle Challenger 300 5.8 d
Estimated hours a year85th percentile
Middle 167N772QS0800+≈566 hrmiddle Challenger 300 ≈167 hr