Position alerts
The Position alerts flow detects whether any vessel emitted VMS data that matches the specified detection parameters on :
flag state
area of detection
whether to detect all positions or only positions with fishing activity (as detected by the enrich positions flow)
fishing gear (from logbook data and Vessel profiles)
species (from logbook data)
time window (specified by a number of hours preceding the present time)
depth (based on bathymetry data from https://emodnet.ec.europa.eu at the position of the VMS point)
list of vessels (specified by their district, producer organization or individually)
The detected vessels are loaded to the pending_alerts table.