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“The airport charts and enroute charts available for download via the nDAC software have now been updated. The AUG10 revision has been replaced by the NOV10 revision (batch #22). More information about the coverage can be found on http://www.navigraph.com/www/ndac_coverage.asp.
The number of airport charts are now 28,112 (previously 27,441), in a total of 1,341 airports. The new and revised airport charts are distributed over 253 airports worldwide.
Including this expansion of the coverage there are 70 updated enroute charts in total. The majority of the enroute charts covering Europe, Africa, Asia and North America (High) have been updated.”