Complex sentence: The EC155 B1 was developed with more powerful engines, giving it improved performance at high altitude and in hot temperature conditions; this derivative also features a higher maximum take-off weight (10,846 lb vs.10,580 lb).
Split into simpler sentences: The EC155 B1 was developed with more powerful engines and has improved performance at high altitude and in hot temperature conditions. This derivative also features a higher maximum take-off weight (10,846 lb vs.10,580 lb).