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CHCNAV BB4 Survey Drone – Photogrammetry and LiDAR

The BB4 is a high-end unmanned aircraft system born from a collaborative effort between two industry leaders, CHCNAV, and DJI. CHCNAV, known for its expertise in geospatial measurement technologies, has contributed scientific design and advanced production capabilities to the BB4. This ensures the UAS is highly proficient in geospatial measurement applications, offering exceptional precision and efficiency for tasks like surveying and mapping. DJI, renowned for its pioneering work in commercial UAV manufacturing, brings its extensive experience in developing fully automated flight control systems to the BB4, simplifying operation and ensuring reliability. The BB4 represents the synergy of precision and automation, setting a new standard in unmanned aircraft systems by fusing the strengths of these industry leaders.

In essence, the BB4 is the result of a strategic partnership between CHCNAV’s geospatial measurement expertise and DJI’s UAV manufacturing proficiency. This collaboration yields a UAS that excels in precision and automation, making it an exceptional tool for geospatial measurements and data collection, while setting a new industry benchmark for performance and reliability.

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Product details

  • Centimeter Level Positioning with NTRIP Corrections
  • No GCPs Required
  • Hemisphere S631, CanNet, BrandtNet, Smart Net and CORS Network Compatible
  • DJI Ground Control Software
  • Photo Replication
  • Multi-Battery Missions
  • 45 Minute Flight Time
  • 7 kg (15 lb) Payload

Package includes

  • BB4 Heavy Lift Drone
  • Optional Payloads
  • Spare Propellors
  • Smart Charging Cable and Block
  • Charger
  • Batteries
  • Hard Case
  • SD Card
  • RTK Module
  • Controller


The CHC BB4 Photogrammetry and LiDAR Drone

Discover the BB4, a cutting-edge unmanned aircraft system meticulously crafted through the collaboration of two industry titans, CHCNAV and DJI. At the heart of the BB4 lies an intricate blend of scientific design and highly integrated production technology, ushering in a new era of efficiency and precision for surveying engineers.

State-of-the-Art Efficiency: With the BB4, flight preparation becomes a breeze, taking just 2 minutes to transition from setup to full operation. Its modular design incorporates pre-installed arms and antennas, reducing the time spent on technicalities and expanding the platform’s accessibility. The compact footprint of the BB4 ensures minimal space requirements for take-offs and landings, enabling easy deployment in diverse environments.

Payload Versatility: Boasting an impressive payload capacity of up to 7 kg, the BB4 adapts to your mission’s unique requirements. Equipped with CHCNAV scanners and DSLR cameras, it transforms into a precision instrument for generating 3D point clouds. For 3D photogrammetry or applications in inspection and agriculture, the BB4 seamlessly accommodates oblique camera systems and multi-spectral cameras.

Extended Flight Capabilities: Elevate your survey coverage potential with the BB4’s remarkable flight times. With a 1 kg payload, it soars for up to 55 minutes, making large-area surveys more efficient. Even with a 5 kg payload, the BB4 offers up to 40 minutes of flight time, a testament to its superior flying performance. It’s the ideal companion for LiDAR-equipped missions over expansive terrain.

Simplified Operations: Operate the BB4 with ease using the DJI Ground Station Pro (DJI GS Pro), an intuitive iPad app. Perform automated flight missions, streamline cloud-based flight data management, and collaborate across projects for seamless drone workflow management.

Long-Range Prowess: With an operating range extending up to 5 km, the BB4 relies on the DJI Lightbridge 2 flight controller, which sets new standards for wireless HD image transmission. This enhances reliability and minimizes latency, ensuring consistent and high-quality data transmission.

Survey-Grade Accuracy: The BB4 integrates dual DJI A3 IMUs and GNSS units in concert with CHCNAV’s advanced positioning solution. The result is unrivaled accuracy, meeting the stringent demands of the surveying and mapping industry with precision that ensures your data is dependable and trustworthy.

The BB4 is not just a drone; it’s your gateway to unparalleled precision and efficiency in surveying. Take your geospatial measurements to new heights with a platform designed to simplify operations, diversify payload options, extend flight capabilities, and deliver survey-grade accuracy. Elevate your surveying experience with the BB4, where innovation and precision meet seamlessly.


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