Experience with both analog and digital systems show that laboratory calibration is not necessarily valid in airborne conditions; whereas the advantages of field calibration are that the entire imaging system is calibrated and not alone the optical part; and the parameters determined are valid in operational airborne conditions (Cramer 2004, 2006; Honkavaara et al. International Archives of Photogrammetry”, Remote Sensing and Spatial Information Sciences 36, 2008a, b). The result of calibration and testing is dependent on a number of permanent system factors and systematic and random components associated with camera, imaging system, flight, atmosphere, object and data post-processing (Honkavaara et al. International Archives of Photogrammetry”, Remote Sensing and Spatial Information Sciences 36, 2008a, b) those affect the quality of the raw images produced by the sensors. It is therefore important to calibrate the aerial or satellite imaging sensors in specially designed fields so that the performance of the entire chain is assessed taking into consideration all the influencing factors. In addition to imaging sensors, ISO 19159 for ‘Calibration and validation of remote sensing imagery sensors and data’ also incorporates airborne laser scanners, imaging radar and water borne sonar systems (Kresse 2010). The task of developing uniform practices and standards for field calibration and testing has been taken up by several international working groups but hardly any permanent multipurpose test field like the one in Sjokulla, Finland with facilities for radiometric and spatial resolution calibration and networks of targeted benchmarks for geometric calibration at large, medium and small imaging scales is available. National Remote Sensing Centre’s (NRSC) interest is in sensor’s performance to solve the question of whether the technology will be able to fulfill present standards of map compilation for disaster management support, urban planning & development, cadastral resurvey, utility mapping, corridor mapping for canal, road, rail alignment, etc. those need very accurate data for its effective usage. With this objective a multi-sensor calibration field, first of its kind in India, designed with targets for geometric calibration, radiometric calibration, spatial resolution and height accuracy calibration is under construction in Shadnagar about 50 km away from Hyderabad that would serve aerial sensors and very high resolution satellite sensors better than 1 m.