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BB4 High-end UAV


CHCNAV BB4 - Professional UAV Platform for Surveying and Mapping

Product Overview: The BB4 by CHCNAV is a state-of-the-art multirotor UAV solution designed for high-precision surveying, mapping, and geospatial applications. Engineered through a collaboration between CHCNAV, a leader in geospatial measurement technologies, and DJI, a pioneer in UAV manufacturing, the BB4 offers an advanced, fully integrated platform for various professional industrial applications.

Key Features:

State-of-the-Art Platform

  • Quick Setup: The BB4 is designed for rapid deployment, with pre-installed arms and antennas allowing flight preparation in just 2 minutes. Its compact structure requires minimal space for take-offs and landings.
  • Modular Design: The BB4's modular design supports a wide range of payloads and configurations, making it versatile for different mission requirements.

High Capacity

  • Up to 7 kg Payload: The BB4 can carry payloads up to 7 kg, accommodating high-performance LiDAR scanners, DSLR cameras, and multispectral cameras for various applications such as 3D point cloud generation, 3D photogrammetry, inspection, and agriculture.

Superior Flying Performance

  • Extended Flight Time: Capable of up to 55 minutes of flight time with a 1 kg payload and up to 40 minutes with a 5 kg payload, the BB4 ensures comprehensive survey coverage in a single flight mission.

Intelligent, Simplified Flight Software

  • DJI Ground Station Pro Integration: The BB4 enhances operation with the DJI Ground Station Pro (DJI GS Pro) app, enabling automated flight missions, cloud-based flight data management, and efficient project collaboration.

Survey-Grade Accuracy

  • Integrated GNSS Units and IMU: The BB4 features dual DJI A3 IMUs and GNSS units, combined with CHCNAV's advanced positioning solutions, ensuring high accuracy required for surveying and mapping industries.

Long-Range Operation

  • Up to 5 km Operating Range: Utilizing the DJI Lightbridge 2 flight controller, the BB4 offers an operating range of up to 5 km with reduced latency and increased reliability for HD image transmission.

Versatile and Efficient Data Capture

  • Professional Applications: Ideal for topographic surveys, asset inspections, natural resource management, construction, and mining, the BB4 provides efficient and accurate data capture for various geospatial applications.

Technical Specifications:

  • Type: Quadcopter with 4 propellers
  • Battery: 6000 mAh LiPo 2S, 22.2 V
  • Structure: Carbon fiber, quick release design
  • Empty Weight: 10.9 kg
  • Transport Container: Water, dust, and quakeproof
  • Flight Control System: Dual DJI A3
  • Operating Temperature: -10 °C to +40 °C
  • Max. Speed: 14 m/sec
  • Max. Ascent Speed: 5 m/sec
  • Max. Wind Resistance: 13.9 m/sec (level 6)
  • Max. Descent Speed: 3 m/sec
  • Takeoff Type: Automated takeoff and landing
  • Auto-Flight Mode: Pre-design air route, flight height change
  • Control System: Dual-frequency GNSS navigation, dual redundancy sensor design, fully automatic work mode
  • Assembly Time: Start ≤ 2 min / finish ≤ 2 min
  • Max. Payload: 7.1 kg
  • Dimensions of Instrument: 110.0 x 110.0 x 44.0 cm (43.3 x 43.3 x 17.32")
  • Hovering Accuracy: 1 cm + 1 ppm Hz, 2 cm + 1 ppm V
  • Max. Flight Altitude: 5000 m
  • Flight Time: 55 mins with 1 kg payload, 40 mins with 5 kg payload
  • Dimensions of Unit in Container: 94.0 x 64.0 x 50.0 cm (37.0 x 25.2 x 19.7")

Supported Payloads:

  • RGB Camera: CHC AS-C420 (calibrated Sony A7 RII) 7952 x 5304, 42.4 MP, 5 fps; CHC AS-C240 (calibrated Sony A6000) 6000 x 4000, 24.3 MP, 11 fps
  • LiDAR: CHC AlphaUniXXX series, Riegl miniVUX and VUX-1 based scanners, CHC ASXXX series, 3rd party LiDARs ≤7 kg weight

Why Choose CHCNAV BB4? The BB4 is designed to meet the rigorous demands of professional surveying and mapping applications. Its advanced technology, robust construction, and versatile payload capabilities make it an ideal choice for geospatial professionals seeking high precision and efficiency in their UAV operations.

Enhance your geospatial data collection with the CHCNAV BB4 and experience unparalleled performance and reliability in UAV technology.

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