Garmin aera 660 Pilot’s Guide190-02017-20 Rev. AAppendix G161Overview Navigation Flight Planning Hazard Avoidance Additional Features Appendices IndexCalculating winds aloft:1) From the Main Menu, touch Tools > E6B, calculate or enter the trueairspeed into the ‘True Airspeed’ field.2) Enter the aircraft heading shown on the directional gyro or compass intothe ‘Heading’ field. Tail Wind, Wind From, and Wind Speed are calculated.NOTE:If True North is selected as the heading reference, a heading referencedto True North must be used to calculate winds accurately.Restoring E6B calculator defaults:From the Main Menu, touch Tools > E6B > Menu > Restore Default.AIRCRAFT PROFILEThe Aircraft Profile allows the pilot to select cruising speed, maximum speed, fuelflow, and map symbol.The maximum speed is used to define the range for airspeed on the 3D Vision Pageand is automatically updated if you exceed this figure.Accessing the aircraft profile:From the Main Menu, touch Tools > ProfileAircraft Profile
