The CRJ Series refers to a family of regional jet aircraft developed by Bombardier Aerospace. These jets are designed for short to medium-haul flights and are known for their efficiency and performance. The series includes several models, such as the CRJ100, CRJ200, CRJ700, CRJ900, and CRJ1000, each varying in passenger capacity and range. The CRJ Series is widely used by regional airlines around the world, providing essential connectivity between smaller airports and major hubs. Their design emphasizes fuel efficiency and operational flexibility, making them a popular choice for airlines looking to serve regional markets effectively.