Since charting datum references can affect navigation accuracy by up to 4500’ (in non-WGS84 countries), it is important that flight crewmembers are cognizant of the datum used in countries they operate to, or in countries over-flown (as they could be potential diversion ports).

For status of WGS-84 countries, visit http://www.jeppesen.com/wlcs/index.jsp      Document Library for Precision RNAV Contains links for operators requiring information on P-RNAV and issues.      General health information for world wide travel from the CDC http://www.cdc.gov/travel/      Direct link to the International Flight Information Manual http://www.faa.gov/ats/aat/ifim/      Information relative to operations in the North Atlantic Region http://www.nat-pco.org      Download the 2005 MNPSA Manual http://www.nat-pco.org/nat/MNPSA/MNPSA_2005.doc      For more links go to Air Training International LLC’s links page: http://www.trainati.com/links.html      If you are ready for a break from it all.... http://www.westernspiritranch.com/ Western Spirit Ranch can provide you with a unique and enriching week away from it all and find yourself again.