The Crown Estate is procuring a single supplier to deliver a 24-month Digital Aerial Survey (DAS) programme for birds, marine mammals and megafauna across the Project Development Areas (PDAs) designated under Leasing Round 6 (LR6) of its offshore wind programme. The requirement covers monthly survey flights using manned aircraft only, data capture, processing, species identification, analysis and reporting across all LR6 PDAs and associated buffer zones. Outputs must be suitable for use in Environmental Impact Assessment (EIA) and Habitats Regulations Assessment (HRA) for offshore wind development. The contract is for an initial 33-month term commencing November 2026.