Operational Readiness Simulator: Optimizing Operational Availability Using a Virtual Environment

Table 1

Extension of engine wash interval results.

	10-Year average
Parameter (change relative to default degradation rate and schedule)	Default ITT margin		Increased ITT margin
	Degradation rate		Degradation rate
	Default schedule	Extended schedule	Default schedule	Extended schedule
Case	A	B	C	D
Operational availability	—	1%	−1%	0%
Down time	—	−3%	3%	0%
Total airframe hours	—	0%	0%	0%
Total maintenance MPHR	—	−1%	0%	−1%
Total washes	—	−34%	15%	−15%
Scheduled washes (% total)	100%	100%	74%	57%
On-condition washes (% total)	0%	0%	26%	43%