Complex sentence: It represents the first time in 30 years that ICAO seriously has reviewed the standards for the training of flightcrew Center Air Pilot Academy in Denmark was the first FTO worldwide to graduate MPL pilots for Sterling.
Split into simpler sentences: It represents the first time in 30 years that ICAO has significantly reviewed the standards for the training of flightcrew. The Center Air Pilot Academy in Denmark was the first FTO worldwide to graduate MPL pilots for Sterling.