If you think the drones are a "couple thousand", please contact the company directly and talk to them:
https://www.sensefly.com/drones/ebee.htmlThese aren't just "toy drones"
Operation
Maximum flight time
50 minutes
Nominal cruise speed
40-90 km/h (11-25 m/s or 25-56 mph)
Radio link range
Up to 3 km (1.86 miles)
Maximum coverage (single flight)
12 km² / 4.6 mi² (at 974 m / 3,195 ft altitude AGL)
Wind resistance
Up to 45 km/h (12m/s or 28 mph)
Ground Sampling Distance (GSD)
Down to 1.5 cm (0.6 in) per pixel
Relative orthomosaic/3D model accuracy
1-3x GSD
Absolute horizontal/vertical accuracy (w/GCPs)
Down to 3 cm (1.2 in) / 5 cm (2 in)
Absolute horizontal/vertical accuracy (no GCPs)
1-5 m (3.3-16.4 ft)
Multi-drone operation
Yes (inc. mid-air collision avoidance)
Automatic 3D flight planning
Yes
Linear landing accuracy
Approx. 5 m (16.4 ft)
Inputs
Aerial (nadir and oblique) imagery support
Multi-camera support for the same project
Multi-camera support for the same project
MultiSPEC 4C support
Multiple file types
Ground Control Point edit and import
Local, global and arbitrary coordinate reference system support in meters and feet
Camera position and exterior orientation (omega, phi, kappa) support
External point cloud import
eBee RTK high precision images
Processing
Rapid Check processing mode
Rapid NDVI map creation
Rapid Check Quality report
Camera self-calibration
Automatic Aerial Triangulation (AAT) and Bundle Block Adjustment (BBA)
Automatic point cloud densification
Automatic point cloud classification and DTM extraction (BETA)
Point cloud filtering and smoothing
Automatic brightness and color correction
Quality report
Project merging
Project area definition
Project splitting
GPU support
rayCloud Editor
Project viewing
Manual tie point editing
Project reoptimization
Image annotation
Point cloud editing
Polyline object creation
Surface object creation
Stockpile object creation (volume measurement)
Digitization tools / vector object editing
Fly-through animation
Index Calculator
Radiometric adjustment interface
Reflectance map editing
Automated index generation (NDVI)
Draw field bounds and compute index per crop variety
Formula editing
Automatic index segmentation
Application map annotation
Export the application map as shapefile (SHP)
Mosaic Editor
Seamline editing
Planar / ortho projection selection
Mosaic color / brightness editing
Output results
2D output results (more info on PDF)
3D output results (more info on PDF)
Fly-through animations and flightpaths
Optimized camera position, external orientation and internal parameters, undistorted images
Chris