E6B calculates time, speed, distance, altitude, true airspeed, and density altitude. Ideal for flight training. The front of the flight computer features a logarithmic slide rule for multiplication and division. The back includes rotating wheels to calculate wind effects during cruise flight. Lightweight, compact, durable, designed for one-handed use, fast operation, and requires no power source. The E6B flight computer is a preferred manual tool among flight instructors and students. Color and packaging may vary slightly due to production differences, but all units meet high-quality standards. Material: Plastic Color: As shown Package Contents: 1 x Aviation plotter Note: The package includes only the items listed above. Other products are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.