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. 97th percentile
Middle 3.8D-IFPM020+12.7middle 550 3.8
Days flown a month96th percentile
Middle 2.8D-IFPM09+7.0 dmiddle 550 2.8 d
Estimated hours a year95th percentile
Middle 59D-IFPM0200+≈176 hrmiddle 550 ≈59 hr