Article 33 Carriage and use of equipmentI1

The equipment carried in compliance with article 32 must be installed or stowed and kept stowed, maintained and adjusted, so as to be readily accessible and capable of being used by the person for whose use it is intended.

The position of equipment provided for emergency use must be indicated by clear markings in or on the aircraft.

All equipment installed or carried in an aircraft, whether or not in compliance with article 32, must be installed or stowed and maintained and adjusted so as not to be a source of danger in itself or to impair the airworthiness of the aircraft or the proper functioning of any equipment or services necessary for the safety of the aircraft.