The Esders Pipeline inspection NOTE (Pi NOTE) is a GIS (geo-information system) based client specially developed for the systematic pipeline inspection according to German DVGW G 465-1 The Esdres Pi NOTE mobile client comprises the following possibilities: - Wireless device connection for data transfer - GPS-based positioning and automatic centering of GIS-data - Documentation of GPS position, measuring data, sensitivity check of measuring device, date & time, defects, notes, accessible and non-accessible areas (e. g. houses service connection), classification of leakages - Generation of relevant drawings of leakages on site - Administration of measuring campaigns and examination sections The mobile optimized view enables the complete documentation during inspection, e. g. with enlarged icons Prerequisite for purchasing the software is the conclusion of a corresponding maintenance contract.