Garmin GNS 430 Pilot's Manual & Reference

Also see for GNS 430: Specification Pilot's manual Instructions Pilot's guide addendum Pilot's guide addendum

Contents

Garmin GNS 430 Pilot's Manual & Reference Manual pdf 248 page image

GNS 430(A) Pilot’s Guide and Reference 190-00140-00 Rev. PSECTION 14 – MESSAGES,ABBREVIATIONS, & NAV TERMS14-1214.3 NAVIGATION TERMSThe following navigation terms are used on the GNS 430 and in this Pilot’s Guide. Refer to Figures 14-1 and14-2 for graphic representation of navigation terms.WPT 1XTKNORTHWPT 2BRGGSDISAIRPLANEDTKTRKFigure 14-1 Illustrated NAV TermsVERTICAL NAVIGATION PROFILEVERTICAL SPEED REQUIREDDISTANCE TO TARGETTIME AND DISTANCETO PROFILETARGET ALTITUDEAND POSITIONAIRPORTCURRENT ALTITUDEAND POSITIONFigure 14-2 Illustrated Vertical NAV TermsTerm DescriptionALT (altitude) Height above mean sea level (MSL).BRG (bearing) The compass direction from the present position to a destination waypoint.CAS (calibratedairspeed) Indicated airspeed corrected for instrument errors.CTS (course to steer) The recommended direction to steer in order to reduce course error or stay on course. Providesthe most efficient heading to get back to the desired course and proceed along the flight plan.CUM (cumulative) The total of all legs in a flight plan (cumulative distance).DIS (distance) The ‘great circle’ distance from the present position to a destination waypoint.DOP (dilution ofprecision)A measure of satellite geometry quality on a scale of one to ten (lowest numbers are best,highest numbers are worst).DTK (desired track) The desired course between the active “from” and “to” waypoints.EFF (efficiency) A measure of fuel consumption, expressed in distance per fuel units (e.g., nautical miles pergallon).ENDUR (endurance) Flight endurance, or total available flight time based upon available fuel.