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Home > Archivio Quiz di Esame > Quiz ATPL - Test di esame Airline Transport Pilot license > Human Performance and Limitations > The percentage of oxygen in the air at an altitude of approx

The percentage of oxygen in the air at an altitude of approximately 34 000 ft is:

Domanda 388, Human Performance and Limitations - ATPL - Airline Transport Pilot license

10,5%

5%

42%

21%

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