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. >99th percentile
Middle 3.82-JEZA020+21.0middle 550 3.8
Days flown a month>99th percentile
Middle 2.82-JEZA09+10.3 dmiddle 550 2.8 d
Estimated hours a year98th percentile
Middle 592-JEZA0200+≈212 hrmiddle 550 ≈59 hr