A Boeing Business Jet (BBJ) is a luxury private jet based on the Boeing 737 commercial airliner, designed for VIP travel with a highly customized interior, offering extended range capabilities compared to traditional business jets, allowing for long-distance flights with features like bedrooms, showers, and conference rooms, making it popular among high-net-worth individuals, celebrities, and government officials seeking ultimate comfort and privacy in the air; essentially a “bizliner” with a large, customizable cabin adapted from a commercial airliner frame.