9 Electrotechnical, electronic or computer apparatus and instruments namely downloadable or recorded computer software, position sensors, torque sensors, temperature sensor, speed monitors for controlling, analyzing, managing, monitoring or checking elements of the landing gear of an aircraft; cells, batteries; capacitors, devices, electronic components namely downloadable or recorded computer software, position sensors, torque sensors, temperature sensor, speed monitors enabling the collection, storage and restitution of the power generated while an aircraft is taxiing, or during the phase prior to or subsequent to landing, or prior to take-off; downloadable or recorded software for moving, steering, braking or stopping an aircraft during taxiing or during the phase prior to landing; downloadable or recorded software used for controlling, analyzing, managing, monitoring or checking elements of the landing gear of an aircraft