Chapter III · Propulsion Systems Analysis 05 / 12

Reliability compounds at every gate

Flight readiness scores rose from 62 to 99 across seven program milestones — each point harder earned than the last.

Flight Readiness Index — Composite Score by Milestone
Program Milestones
Flight Certification
Cert. Threshold
CERTIFICATION THRESHOLD 0 25 50 75 SCORE 62 71 78 85 91 96 99 MCR SRR PDR CDR TRR SAR FRR PROGRAM MILESTONES