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EA: CONTRAIL_PERSISTENCE
EE: PERSISTENT

Status: STD 2005/06/07
Code: 3
EA label: CONTRAIL_PERSISTENCE
Concept definition: Visible for a relatively long <<TIME_QUANTITY>>, which may extend into hours; persistent.
 
Reference type: IR
Reference: [JMCDM, "CONTRAIL-ENGINE-ANALYSIS-FORECAST persistence code":1 and "FLIGHT-WEATHER-CONDITION-OBSERVATION contrail persistence code":2]
Supplemental references: [GMET, "condensation trail"], [WMO306, Volume 2, Code table 4-7:9]

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