Airborne systems are ideal for emergency surveys, monitoring areas affected by catastrophic events as it avoids the deployment of personnel into the area.
The use of derived DTMs in areas at risk from landslides or instability enables the monitoring of critical situations to be done at different time intervals.

The monitoring of areas affected by subsidence can be done accurately and comprehensively, providing highly accurate 3D plano-altimetric information on vast
areas of terrain.