A pilot may not commence the flight in known or expected icing conditions if

  1. No procedures for de- icing and anti-icing aircraft on the ground have been established
  2. Air temperature is lower than 7°C
  3. Airplane is not certified and not equipped with de-icing and anti-icing instalationCorrect answer
  4. It is raining

Explanation

According to ICAO Annex 6 and EASA Part-NCO (NCO.OP.180), a flight shall not be commenced into known or expected icing conditions unless the aircraft is…

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