FlyBy E6B by Skywriter Software:
* This is a 30 day trial version only *
FlyBy E6B is an essential flight computer application for all pilots. Designed by a professional airline pilot it includes many features not found in other E6B aviation programs
Always improving:
The FlyBy E6B aviation calculator was one of the very first applications of its kind published for the Palm OS. Used by thousands of pilots the world over, it has evolved from the suggestions and feedback we have received.

FlyBy E6B Features:
Airspeed Calculations:
- True Airspeed using Calibrated Airspeed
- True Airspeed using Mach#
- Calibrated Airspeed using TAS
- IAS Using MACH#
- Equivalent Airspeed using CAS
- Mach# Using TAS
- Mach Crossover Altitude
- Planned MACH#
- Planned TAS
Wind Calculation:
- find Wind Direction and Speed
- Find Wind Component (headwind and crosswind)
Heading and Ground Speed:
- Find Heading, Ground Speed, ETE and Fuel Burned
Time-Speed-Distance:
- Find Estimated Time Enroute
- Find Ground Speed
- Find Distance
- Find Fuel Time
- Find Fuel Flow
- Find Fuel Burned
- Find Estimated Time of Arrival
- Fixed GroundSpeed (Find Required TAS given a track and wind vector.)
Altitude Calculations:
- Density Altitude
- Pressure Altitude
- True Altitude
- Altitude temperature Correction
Vertical navigation Calculations:
- Distance and Time using Altitude Change, Ground Speed, Vertical Speed
- Rate of Descent using Altitude Change, Ground Speed, Distance
- Rate of Descent using Altitude Change, Ground Speed, Descent Angle
- Feet/Nm using Vertical Speed, Ground Speed
- Feet/Nm (%) using Gradient %, Ground Speed
- Rate of Climb using Required Climb Gradient and Ground Speed
- SCDA (Constant Descent Angle)
- VDP (Visual Descent Point)
Navigation Calculations:
- Critical Point
- Point of No Return
- Time to Minimum Descent Altitude
- Navigation Track and Distance between two points. Plotted great circle track map view
- Rate One Turn
- Radius of Turn
- Turning Stall Speed
- DME Arc
Conversions:
- Distance:
Nautical Miles/ Knots
Statute Miles/ Mph
Kilometers/ Kph
Feet
Meters
Meters/Second
Feet/Second
- Volume:
US Gallons
Imperial Gallons
Liters
- Temperature:
Celsius
Fahrenheit
- weight
Pounds
Kilograms
- Altimeter:
Inches Hg
Millibars/Hectopascals
mmHg
- Fuel, Temperature Corrected, JetA, JetB, AvGas:
US Gallons
Imperial Gallons
Liters
Pounds
Kilograms
- QFE/QNH airfield altitude conversion
- DMS/D-M.m/DM.m and D.d coordinate conversion
- VNAV
Gradient %
Feet per NM
Angle
Weather:
- Relative Humidity, Heat Index, Cumulus cloud base, Wind Chill
- NOAA METAR and TAF access
Other Functions:
- Linear Interpolation
- Minimum Floor Load Limit (Cargo)
- Maximum Cargo Weight
- Runway Slope