SUBJECT: Human Performance
Question No. 1

With regard to the practice of English, which of the following statements is correct?

[ Total Que.:74 ]
The composition of every crew should be geared to a command of the official aeronautical language of the destination country.
All pilots should master it because the aeronautical world needs one common language.
Be familiar with normal procedures in English since only this allows for effective management of any flight's communication.
It is necessary and sufficient to have a command of any of the official languages of the ICAO.