The B737-600 is a narrow-body commercial aircraft developed by Boeing. It is part of the B737 Next Generation series and is designed for short to medium-haul flights. The aircraft typically seats around 110 to 130 passengers and features advanced avionics and fuel-efficient engines, making it a popular choice for airlines. First introduced in the late 1990s, the B737-600 has a maximum range of approximately 2,900 nautical miles. It is known for its reliability and performance, contributing to its use by various airlines around the world. The aircraft is often used for regional routes and is appreciated for its operational efficiency.