April 9, 200818 yr Regarding the 747 FSX.Only Button I can arm is V/S. When I click on LNAV, VNAV, FL CH, THR, SPD etc, nothing happens. Is there a conflict in key commands?Thanks!MHarrisESA1178
April 9, 200818 yr LNAV/VNAV will not arm if there's any one of a number of preflight conditions not satisfied. There is no "confict" in the manner that you ask... gotta look back through your preflight to verify everything is done (route, performance, thrust, etc.). Dan Downs KCRP
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