EAI WebApp v3.5
Weather/ NOTAMs & E6B Tools

- TAS Calculations -

Start with calculating your True Air Speed (TAS) from Indicated Air Speed (IAS), your Altitude, local QNH and OAT with our precision calculator.
Also included are distance to horizon and Mach number calculations.

True Air Speed
IAS  Kts
Altitude (MSL)  Feet
QNH  inHg  hPa
Temp (OAT)  °F  °C
True Air Speed  Kts
Mach Number 
Distance to Horizon  NM

The next step is using True Air Speed in the navigation plan:

Below an air speed indicator capable of showing IAS and TAS.

True Air Speed Indicator

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