Certified UAV Survey & Inspection Specialists
Definition is a CAA Part 102 Approved Operator, delivering safe, accurate LiDAR and photogrammetry data for surveying, asset inspection, and environmental monitoring.
LiDAR Surveys
High-precision terrain data
- Capture dense point clouds (1.2 million points/sec)
- Penetrates vegetation to reveal bare-earth terrain
- Enables precise slope, terrain and volume analysis
Aerial Mapping
High-resolution imagery & models
- Produce orthophotos and 3D models
- Map construction & environmental sites accurately
- Detect changes over time and generate reports
Infrastructure Monitoring
Safe, cost-effective asset insights
- Cliffs, slopes and retaining walls
- Assess asset condition and generate 3D models
- Linear asset monitoring over time
- Power line assessments
Geotechnical Analysis & Engineering
3D capture to assist in geotechnical engineering design.
- Landslide and rockfall analysis
- Coastal and slope stability
- post-natural disaster terrain assessments
Digital Twin Models
3D intelligence for asset management
- Integrate with GIS, CAD & BIM for informed decision-making
- Share asset information clearly with stakeholders
- Track asset lifecycle with precision
LiDAR Surveys
High-precision terrain data
- Capture dense point clouds (1.2 million points/sec)
- Penetrates vegetation to reveal bare-earth terrain
- Enables precise slope, terrain and volume analysis
Aerial Mapping
High-resolution imagery & models
- Produce orthophotos and 3D models
- Map construction & environmental sites accurately
- Detect changes over time and generate reports
Infrastructure Monitoring
Safe, cost-effective asset insights
- Cliffs, slopes and retaining walls
- Assess asset condition and generate 3D models
- Linear asset monitoring over time
- Power line assessments
Geotechnical Analysis & Engineering
3D capture to assist in geotechnical engineering design.
- Landslide and rockfall analysis
- Coastal and slope stability
- post-natural disaster terrain assessments
Digital Twin Models
3D intelligence for asset management
- Integrate with GIS, CAD & BIM for informed decision-making
- Share asset information clearly with stakeholders
- Track asset lifecycle with precision
Why Choose Definition?
- CAA Part 102 Certified
- LiDAR & photogrammetry specialists
- Precision GNSS workflows, ensuring survey-grade accuracy for your projects.
- Deliverables tailored for GIS, CAD, or 3D
- Safe, efficient operations in complex environments
Testimonials
Project Examples
UAV LiDAR survey of 400 hectares of rural development land
Delivering terrain models, contours and orthorectified imagery for design baselines
Re-establishing legal water boundaries using UAV LiDAR and photogrammetry
Enabling accurate stream alignment feature extraction
Mangatutu and Aropaoanui Bridges
Wide-area topography and detailed bridge capture to support new spillway and stormwater design
Storm-damaged sites
Rapid UAV survey services providing high-accuracy data to support remedial engineering solutions
CAA Part 102 Certified — Advanced UAV Operations
Our CAA Part 102 certification allows us to operate safely in complex, high-risk environments. This ensures timely, accurate data collection even in challenging locations.
- Over private property & people
- Beyond Visual Line of Sight (BVLOS)
- Within 4 km of aerodromes
- Above 400 ft AGL
- Low fly zones & night flights
Reach out to see how we can help with your next project.
As surveyors, we understand the capabilities of our drones and plan each survey to meet project accuracy requirements, while also drawing on other surveying techniques when needed to ensure precision and reliability.
