ESI-500
Pilot’s Guide
3-25
Display Features
Figure 3-22: Reduced RTC Alert Condition
Reduced Required Terrain Clearance (RTC)
The reduced RTC alert condition occurs when your aircraft is currently
above the altitude of the upcoming terrain along the projected flight
path, but the projected terrain clearance is less than the required
terrain clearance for the phase of flight (Figure 3-22 and Table 3-1).
The ESI-500 issues a caution alert 60 seconds before the offending
terrain and a warning alert 30 seconds before the offending terrain.
See Table 3-1 for other phase options for phase of flight clearance
limits.
Table 3-1: Required Terrain Clearances for the
Reduced RTC Alert Condition
Summary of Contents for ESI-500
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