E6B flight computer is ideal for calculating time, speed, distance, altitude, true airspeed, and density altitude. Perfect for flight training. The front features a logarithmic sliding rule for multiplication and division. The back includes wind calculation wheels to determine the effect of wind on cruise flight. Lightweight, compact, durable, designed for one-handed use, fast operation, and requires no power source. Preferred by flight instructors and students as a reliable manual flight computer. 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: Other items not included. Note: Actual color may vary slightly due to lighting and display settings. Measurement error allowance: +/- 1-3 cm.