Complex sentence: According to ICAO, to be eligible for a Commercial Pilot Certificate, the applicant must already obtain a Private Pilot certificate, have received training in the area's of a Commercial Pilot and successfully complete a written exam.
Split into simpler sentences: According to ICAO, to be eligible for a Commercial Pilot Certificate. The applicant must already obtain a Private Pilot certificate, have received training in the area's of a Commercial Pilot and successfully complete a written exam.