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144 - ATPL Question Bank in English - For a non-zero true airspeed, TAS equals equivalent airspeed (EAS) when the ambient air density is:

Question 144 - Aircraft General Knowledge - Instrumentation - ATPL - Airline Transport Pilot Licence

Half the ISA sea-level density.
Twice the ISA sea-level density.
One quarter of the ISA sea-level density.
Equal to the ISA sea-level density.

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