The Bombardier CSeries is a family of narrow-body, twin-engine jet airliners designed for regional and short-haul flights. It was developed by Bombardier Aerospace and features advanced aerodynamics, lightweight materials, and fuel-efficient engines, making it an environmentally friendly option for airlines. The CSeries includes two main variants: the CS100 and the CS300, which can seat between 100 and 150 passengers. The aircraft is known for its spacious cabin, quiet operation, and modern technology, providing a comfortable flying experience for passengers and cost savings for airlines.