EAI WebApp v3.0
Weather/ NOTAMs & E6B Tools

In-Flight Calculations

Enter Heading and Wind Direction in degrees (°), True Air Speed and Wind Speed in knots.
Scroll down for course corrections during flight.

Course, Ground Speed & WCA
Heading ° True
TAS Knots
Wind Direction ° True
Speed Knots
Course ° GS Knots
Wind Correction Angle °


For in-flight course corrections you can use the following calculator.
It is based on the familiar 'distance off course vs flown / remaining' formula.

Course Deviation Corrections
Distance Off Course  NM
Distance Flown  NM
Distance Remaining  NM
Course To Parallel °
Course To Converge °

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