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RNAV specification
авиац., Канада.	spécification RNAV; spécification de navigation de surface
Английский тезаурус
RNAV specification
авиац., Канада.	A navigation specification based on area navigation that does not include the requirement for performance monitoring and alerting, designated by the prefix RNAV, e.g. RNAV 5, RNAV 1.