NGA Plotting Sheets: Maneuvering Board - 5090 by NGA Plotting Sheets. $6.95. NGA Plotting Sheets: Maneuvering Board - 5090 - Plotting Sheets & Maneuvering Boards - For decades, the maneuvering board chart has been a mainstay for solving relative motion problems. The bearing and distance marks from the center, and the convenient scales at the sides allow quick and easy plotting of course and speed vectors, and the addition of them to provide course and speed to to rendezvo...