The app "Schadenmeldungen mobile" is a supplement to the forest protection reporting portal provided by the Nordwestdeutsche Forstlichen Versuchsanstalt (https://www.nw-fva.de). The portal is used to record damage to forest stands, to monitor the most important pathogens and to document pesticide applications. With this app users registered in the forest protection reporting portal can record damage directly in the forest - even without a network connection. The app is initialized with the account for the forest protection reporting portal. This requires network access. Initialization loads maps and other required data onto your device. Afterwards damage can be recorded offline directly in the forest. If a network connection is available, the messages stored on the terminal can be transferred to the portal or shared via e-mail with an automatically appended KML geodata set. Thus, e.g. Entrepreneurs are provided with accurate work orders immediately after the damage has been recorded.