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9-3
To calculate the fuel requirements between two waypoints...
· Use the CLR key to select “WPT” on line 1.
· Enter the from waypoint. If you wish to use your present location,
leave it blank.
· Enter the to waypoint. If you wish to use your present location, leave
it blank.
· The speed field will display your present speed. You may enter a
different speed to calculate time and fuel requirements.
· Enter the fuel flow in units per hour (e.g., gallons per hour.)
The GPS 100 will calculate fuel requirements in the corresponding units
(e.g., gallons) required to go from point 1 to point 2. In addition, the time
requirement will be displayed based on speed. Use the cyclic field to select
estimated time enroute (ETE) or estimated time of arrival (ETA).
You may calculate the fuel required for a programmed route in a manner
similar to the trip planning described in Section 9.1.
9.3 DENSITY ALTITUDE/TAS
Indicated Altitude Calibrated Airspeed
Altimeter Total Air
Setting Temperature
Density Altitude True Airspeed
DENSITY ALTITUDE/TAS PAGE
The Density Altitude/TAS function will help you calculate critical aircraft
performance data.
To calculate density altitude and true airspeed...
· Enter the indicated altitude from your altimeter.