This workpackage will:

• Study suitable algorithms for correlation of terrain and obstacle data provided by terrain and obstacle databases on one hand, and by an active sensor, i.e. the weather radar, on the other hand.
• Assess possible mechanisms for database improvement, and identify when and where such a correlation could bring the most valuable return on investment.
• Identify and assess ground mapping and obstacle detection techniques and technology for advanced airborne weather radar systems.

The final product of this workpackage is an assessment of mechanisms, detection techniques and weather radar technologies involved in terrain database improvement, hence requirements for future commercial airborne weather radars.
It is based on today's known terrain database characteristics and weather radar performance. The goal is to assess the technical feasibility within commercial air transport constraints of such a correlation.
In order to correlate the terrain database with live radar mapping, both resolutions should have the same figure, i.e. 100-200 m. This can be obtained using new antenna technologies and high performance processing algorithms.
Obstacle (man-made constructions, aircraft, surface vehicles) detection using the radar when landing/taking off and taxiing in low visibility conditions is also achievable provided some assumptions on the radar cross-section of the obstacle to be detected at considered range.

Rockwell Collins France will lead the workpackage and contribute with Eurocopter Germany and THALES Avionics to the specification of database and weather radar mechanisms.