Asperö Handelsaktiebolag is a provider of products and services such as propeller control systems, aircraft,calibrators, aileron balancing, aircraft,pressure gauges and components, aircraft,sensors, critical airflow,cable tension regulators, aircraft,pneumatic controls and actuators, compressed air equipment, aircraft,hydraulic controls and actuators, hydraulic equipment, aircraft,servo-controls, aircraft,controls, mechanical and cable, aircraft,landing equipment instrumentation, aircraft,landing systems, automatic, aircraft,oxygen control equipment, aircraft,pressure control instruments, aircraft cabin,recorders, engine life, aircraft,fatigue load measuring equipment, aircraft,watches and chronographs, aircraft,battery packs, emergency, aircraft,inertial guidance systems,radio control systems for remote controlled aircraft/drones,flight data recorders (black boxes), aircraft,computers, data, and flight data systems, aircraft,thrust meters, aircraft,recorders, time-temperature, engine, aircraft,fuel meters and gauges, aircraft,fuel balancing and management systems, airborne, aircraft,constant speed control units, aircraft,throttle controls, aircraft,strain and torque indicators, aircraft,temperature indicators, external air, aircraft,ice warning indicators, aircraft,fault indicators, aircraft systems,thrust indicators, jet engine, aircraft,position indicators for aircraft equipment,temperature indicators, jet engine, aircraft,geodetic survey instruments and systems,long distance range finding equipment, surveying,levels, surveyors',levels, laser beam,theodolites,transit theodolites,gyro-theodolites,theodolites, laser,tacheometers, surveying,cross-staffs,heliostats,alidades,altimeters, surveying,chains, surveyors',arrows and plummets, surveyors',goniometers, surveying,telemeters, surveyors',gradiometers, surveying,geothermal measuring instruments and equipment,seismic and geophysical survey instruments and equipment,seismographs,hypsometers and hypsographs,clinometers,tellurometers,boning-rods,plane-tables and surveyors' tripods,gravity meters/gravimeters, gravimetric survey equipment,photogrammetric and stereographic survey equipment,magnetic variometers and terrestrial magnetometers,declinometers and dip circles, surveying,ranging rods, surveying,probes for cone penetration tests (cpt), geotechnical investigation,hydrographic survey equipment,geotechnical instruments,geotechnical rigs, multifunctional,mineralogical survey equipment,instruments and appliances for soil mechanics,measuring equipment, hydrogeological,measuring instruments, ground settlement,locators, seismic, for underground installations,surveying and alignment equipment, laser,scanners, laser, three-dimensional (3d), for surveying,beacons, surveying,geographical information systems (gis),amplifiers for geophysical and meteorological use,wireline logging instruments,locating equipment, magnetic, for underground installations,phototheodolites,parts and accessories, surveying and geodetic equipment,compasses, gyroscopic,compasses, magnetic,compasses, remote indicating,compasses, digital display,compasses, marine,compasses, aircraft,radio compasses (automatic direction finders),compasses, astro,compasses, hand-held,compasses, lensatic,compasses, surveyors,compasses, miners',compasses, geologists',compasses for rally vehicles,compasses for watch straps,compass adjusting and calibrating instruments and accessories,optical squares and parallel glass micrometers.