Notes: | Relief shown by spot heights. Shows primary, secondary and military helicoper routes in the New York metropolitan area, includes pictorial graphics of distinctive features that are easily recognizable from the air. Shipping list no.: 91-0152-P. "Includes airspace amendments effective December 13, 1990 and all other aeronautical data received by October 18, 1990. Topographic data corrected to September 1990." "Chart will become obsolete for use in navigation upon publication of the next edition." [See Dates of latest editions, National Ocean Service, for latest dates.] Ancillary map: Downtown Manhattan. Includes text, directory of helicopter routes, and statistical tables.
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