Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments, namely, optical detection systems consisting of computers, opto-electric sensors, optical sensors, data transmitters, receivers and network interface devices for use in maritime surveillance and monitoring of liquids on surfaces and maritime surveillance; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, electric switches, electrical switches, transformers, electric accumulators, voltage regulators, electrical controllers, and electrical controlling devices for use in optical detection of liquids on surfaces and maritime surveillance; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, optical data carriers; memories, namely, computer memories, disc memories, electronic memories for data processing equipment; downloadable software and recorded software, namely, software to connect computer network users and to integrate applications and databases, software to collect, edit, organize, modify, transmit, store and share data and information, all for use in optical detection of liquids on surfaces and maritime surveillance; data processing hardware, peripherals adapted for use with computers; data processing equipment and computers; apparatus and instruments for communications, high-frequency and control engineering, namely, electric sensors, optic sensors, opto-electronic sensors, intercoms, all for use in optical detection of liquids on surfaces and maritime surveillance; apparatus and instruments for air transport; special purpose containers, adapted to the apparatus and instruments of class 09; fire-extinguishing apparatus; transmitters (telecommunication); transmitters for electronic signals; sensors, namely, optical sensors, opto-electronic sensors, gas sensors for measuring gas concentration, acceleration sensors, pressure sensors; measuring equipment for special mission aircraft, namely, satellite and inertial navigation systems, flight mechanical data meters for flight test purposes, wind and turbulence meters, air chemical meters for trace gas measurements, aero magnetic meters, gravity meters; airborne data acquisition and processing systems, namely, airborne data processors for calculating and storing of flight data, airworthy computers; navigation systems, namely, ILS (instrument landing system), VOR (very-high-frequency omnidirectional radio), MLS (microwave landing system), SSR (secondary surveillance radar), PAR (precision approach radar), DME (distance measuring equipment); airborne systems for calibration of radio navigation aids, namely, meters for radio navigation signals, airborne meteorological equipment, namely, humidity meters, pressure sensors, temperature sensors; data processing equipment, namely, computers and mass storage units. computer programs for use in monitoring airborne data acquisition and processing systems