Matches in DBpedia 2016-04 for { ?s ?p "In United States aviation, a National Security Area is a designated airspace through which flight is discouraged for reasons of national security.Flight through NSAs is not prohibited and no special advance clearance or authorization need be obtained to enter them. However, pilots of aircraft are strongly encouraged to either stay clear of NSAs or obtain prior authorization to pass through them in order to reassure the controlling agency that no threat to national security exists.NSAs are a compromise between normal airspace and restricted or prohibited airspace. NSAs can be temporarily converted into restricted airspace by NOTAMs.On VFR sectional charts, NSAs are delimited by a heavy dashed magenta border and a special notation."@en }
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- National_Security_Area abstract "In United States aviation, a National Security Area is a designated airspace through which flight is discouraged for reasons of national security.Flight through NSAs is not prohibited and no special advance clearance or authorization need be obtained to enter them. However, pilots of aircraft are strongly encouraged to either stay clear of NSAs or obtain prior authorization to pass through them in order to reassure the controlling agency that no threat to national security exists.NSAs are a compromise between normal airspace and restricted or prohibited airspace. NSAs can be temporarily converted into restricted airspace by NOTAMs.On VFR sectional charts, NSAs are delimited by a heavy dashed magenta border and a special notation.".
- Q6978327 abstract "In United States aviation, a National Security Area is a designated airspace through which flight is discouraged for reasons of national security.Flight through NSAs is not prohibited and no special advance clearance or authorization need be obtained to enter them. However, pilots of aircraft are strongly encouraged to either stay clear of NSAs or obtain prior authorization to pass through them in order to reassure the controlling agency that no threat to national security exists.NSAs are a compromise between normal airspace and restricted or prohibited airspace. NSAs can be temporarily converted into restricted airspace by NOTAMs.On VFR sectional charts, NSAs are delimited by a heavy dashed magenta border and a special notation.".