Package: Aluminum E6B flight computer, a vinyle case and an instruction booklet. More lighter, smaller, less prone to break, easy to use one-handed, quicker and do not require electrical power. Includes nautical and statute scales, a must have tool for test. An E6B flight computer commonly used by student pilots. Solid metal construction with easy rotating parts, perfect for quick calculating time, airspeed, altitude and distance problems. PATNETED IN USA-Made from smoothly light aviation aluminum material, perfect for flight training.