FS2002/FS2004 Flying The 737. This document is intended to explain the functionality and the advantages of the Boeing 737 jetliner. Whether you are just a beginner or a long time 737 captain, this document will either help you understanding this plane, or will just complement your wide knowledge about the 737. Also features tips and tricks to enhance your 737 flight experience, plus a ready-to-fly FS flight plan for use on your 737 flights. By Luciano Ferreira.