Notes: | Relief shown by spot heights. Shows primary, secondary, and military helicopter routes, includes pictoral graphics of distinctive features that are easily recognizable from the air. Shipping list no.: 91-0352-P. "Includes airspace amendments effective April 4, 1991 and all other aeronautical data received by March 7, 1991. Topographic data corrected to February 1991." "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.] Inset: Chicago--O'Hare. Scale 1:90,000. Includes text, directory of helicopter routes, and statistical tables.
|