A VERTICAL GYROSCOPE THAT IS AN ELECTRICALLY DRIVEN GYRO THAT SPINS ABOUT A VERTICAL AXIS. IT SUPPLIES THE REFERENCE FOR THE AUTOMATIC FLIGHT CONTROL AND FLIGHT INSTRUMENTS OF AN AIRCRAFT ABOUT THE ROLL (AILERON) AND PITCH (ELEVATOR) AXIS. THE ELECTRICALLY DRIVEN GYRO HAS FULL FREEDOM IN ROLL. IT HAS -85 TO +85 DEGREES FREEDOM OF PITCH. THERE IS AN ERECTION SYSTEM TO KEEP THE ROTOR SPIN AXIS VERTICAL. THE VERTICAL GYRO HAS TWO SYNCHROS TO DETECT THE MOVEMENT OF THE AIRCRAFT ABOUT THE ROLL AND PITCH AXES. THE GYRO ALSO HAS CIRCUITS THAT MONITOR THE FUNCTIONAL OPERATION OF THE INTERNAL COMPONENTS.

CLASSIFICATION HAS BEEN DETERMINED IN ACCORDANCE WITH THE FOLLOWING:- GENERAL INTERPRETATIVE RULES (GIR)S GIR 1 HAS BEEN USED TO CLASSIFY THIS PRODUCT BY THE TERMS OF HEADING 9014 - DIRECTION FINDING COMPASSES; OTHER NAVIGATIONAL INSTRUMENTS AND APPLIANCES GIR 6 HAS BEEN USED TO CLASSIFY THE GOODS TO SUBHEADING LEVEL 901420 - INSTRUMENTS AND APPLIANCES FOR AERONAUTICAL OR SPACE NAVIGATION (OTHER THAN COMPASSES) CN CODE 90142080 - OTHER THAN INERTIAL NAVIGATION SYSTEMS TARIC 9014208090 - OTHER THAN FOR USE IN CIVIL AIRCRAFT ALSO CLASSIFIED IN ACCORDANCE WITH HARMONIZED SYSTEM EXPLANATORY NOTES (HSEN) (C) (4) TO HEADING 9014