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attitude and heading reference system [1 record]

Record 1 2003-06-23

English

Subject field(s)
  • Flight Instruments and Equipment (Aeroindustry)
  • Navigation Instruments
  • Aircraft Piloting and Navigation
  • Launching and Space Maneuvering
CONT

The attitude heading reference system provides attitude gyro, directional gyro (compass) and 3-axis rate/accelerometer data to the following aeroplane systems in EFIS [electronic flight instrument system] equipped aircraft: Primary flight and multi-function displays; Weather radar system; Automatic Flight Control System; Ground Proximity Warning System; Traffic Alert and Collision Avoidance System; Stall Protection System; Fuel System; Flight Data Recorder; Body Rates and Linear Acceleration Data to the flight control system.

CONT

Crossbow [TM] Technology, Inc. ... introduced its new AHRS500GA solid-state attitude and heading reference system for general aviation ... Crossbow's AHRS500GA is a strap-down subsystem that delivers heading measurements with dynamic accuracy of +/- 2.0 and static accuracy of +/- 1.5. Attitude accuracy is less than +/- 0.5 degrees (static) and +/- 2.0 degrees (dynamic). Range is +/- 180 degrees. The system features the industry's highest performing sensors, including advanced MEMs accelerometers and rate gyros that provide much higher reliability than traditional spinning mass gyros.

OBS

heading and attitude reference system; HARS: term and abbreviation officialized by the Aeronautical Terminology Standardization Committee (ATSC) - Helicopters.

Key term(s)
  • attitude-heading reference system

French

Domaine(s)
  • Instruments et équipement de bord (Constructions aéronautiques)
  • Instruments de navigation
  • Pilotage et navigation aérienne
  • Lancement et manœuvres dans l'espace
CONT

Une centrale moderne d'attitude et de cap [...] ressemble beaucoup à une centrale inertielle de navigation qui ne fournirait que les assiettes et le cap, et dont les gyroscopes et les accéléromètres seraient de performances modestes : 1 à 10 degrés par heure pour les gyroscopes et quelques millièmes de la pesanteur pour les accéléromètres. La centrale d'attitude et de cap peut être à cardans ou à composants liés [...] et utiliser des gyroscopes mécaniques ou des gyrolasers.

OBS

centrale de cap et de verticale; AHRS : terme et abréviation uniformisés par le Comité d'uniformisation de la terminologie aéronautique (CUTA) - Opérations aériennes.

OBS

centrale de cap et d'attitude : terme uniformisé par le Comité d'uniformisation de la terminologie aéronautique (CUTA) - Hélicoptères.

Key term(s)
  • centrale AHRS

Spanish

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