Meteorology
Volcanic Ash
Definition
Fine particles of pulverized rock from volcanic eruptions that are extremely hazardous to jet engines, causing flame-out, windscreen abrasion, and instrument blockage. Volcanic ash cloud avoidance is mandatory.
Related Terms
SIGMET(SIGMET)
Significant Meteorological Information advisory issued for hazardous weather phe...
Engine Failure
The partial or complete loss of engine power during flight. Single-engine proced...
Notice to Air Missions(NOTAM)
A notice containing information essential to flight safety not sufficiently know...
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