heading reference system

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• attitude-heading reference system — A sensor deriving aircraft attitude and heading information from various gyroscopes and accelerometers …   Aviation dictionary

• Attitude and Heading Reference Systems — or better known as Attitude Heading Reference System (AHRS) are 3 axis sensors that provide heading, attitude and yaw information for aircraft. AHRS are designed to replace traditional mechanical gyroscopic flight instruments and provide superior …   Wikipedia

• Heading indicator — A heading indicator in a small aircraft. The heading indicator (also called an HI) is a flight instrument used in an aircraft to inform the pilot of the aircraft s heading. It is sometimes referred to by its older names, the directional gyro or… …   Wikipedia

• Flight management system — A flight management system or FMS is a computerized avionics component found on most commercial and business aircraft to assist pilots in navigation, flight planning, and aircraft control functions.It is considered to be composed of three major… …   Wikipedia

• Global Positioning System — GPS redirects here. For other uses, see GPS (disambiguation). Geodesy Fundamentals …   Wikipedia

• Electronic Flight Instrument System — An electronic flight instrument system, or EFIS, is a flight deck instrument display system in which the display technology used is electronic rather than electromechanical. EFIS normally consist of a primary flight display (PFD), multi function… …   Wikipedia

• Polar coordinate system — Points in the polar coordinate system with pole O and polar axis L. In green, the point with radial coordinate 3 and angular coordinate 60 …   Wikipedia

• rocket and missile system — ▪ weapons system Introduction       any of a variety of weapons systems that deliver explosive warheads to their targets by means of rocket propulsion.       Rocket is a general term used broadly to describe a variety of jet propelled missiles… …   Universalium

• Frame of reference — A frame of reference in physics, may refer to a coordinate system or set of axes within which to measure the position, orientation, and other properties of objects in it, or it may refer to an observational reference frame tied to the state of… …   Wikipedia

• Guidance system — A guidance system is a device or group of devices used to navigate a ship, aircraft, missile, rocket, satellite, or other craft. Typically, this refers to a system that navigates without direct or continuous human control. Systems that are… …   Wikipedia

• Hydro-Québec's electricity transmission system — is an expansive, international power transmission system located in Quebec, Canada with extensions into the Northeastern United States. Major expansion of the network began with the commissioning of the alternating current 735,000 volt (735 kV)… …   Wikipedia