Chapter 1
Fatigue
Harsher than its type
How short were its legs?
Utilization isn’t graded for N770RM: too few of its flights were tracked to count its use fairly, in the full report too. So its free chapter here is Fatigue, which doesn’t depend on catching every flight.
Short legs put more pressurization cycles on the structure for the same time in the air. Worth checking its cycle-based inspection limits before a pre-buy.
Hours per landingLead measure. 20th percentile
Middle 1.5N770RM0.52.5+1.2 : 1middle Citation Sovereign 1.5 : 1
Short hops89th percentile
Middle 38%N770RM0%90%+62%middle Citation Sovereign 38%
Leg length18th percentile
Middle 419 nmN770RM100 nm1,000 nm+278 nmmiddle Citation Sovereign 419 nm