Scientific instruments, namely, electrochemical, colorimetric and radiation sensors and associated electronic control units for detecting, identifying and quantifying chemicals, radioactive materials and biological hazards; electrochemical sensors for detecting, identifying and quantifying chemicals such as chlorine, ammonia, carbon monoxide, hydrogen sulfide, explosive vapors, and volatile organic compounds; colorimetric sensors for detecting, identifying and quantifying chemicals such as sulfur dioxide, phosphine, hydrogen cyanide, acids, bases; gamma ray spectrometer radiation sensor for detecting ionizing radiation, identifying isotopes and quantifying energy levels; sensors integrated with unmanned aircraft vehicle and associated system components such as navigation and communication system, for detecting, identifying and quantifying chemicals, radioactive materials and biological hazards, imaging and viewing chemical, biological and radiological hazards in visible and infrared spectra, determining position, location and spatial orientation, locating and flying unmanned aircraft vehicles, collision avoidance, and communicating with other system components of the unmanned aircraft vehicle; incident management software for real-time hazard mapping; software enabling incident management planning, execution, controls, situational awareness and monitoring of hazards during incidents by integrating pre-incident response plans with real-time hazard mapping