Dual Redundant Control and Sensors

The NX-FCU CSC is the baseline NX-FCU, offering a tightly integrated dual redundant navigation, flight control and mission management solution for UAVs. Ideal for high-end Tactical and Mini UAVs, this rugged, single failure tolerant unit, with dissimilar hardware and safety certifiable software, provides the ultimate in automation reliability. The NX-FCU was specifically optimised for Size, Weight and Power (SWaP), without compromising ruggedness, reliability or certifiability of the solution. The result is a highly functional yet physically compact design able to meet the strict unmanned aviation regulations of the future.

The NX-FCU CSC is ideally suited to Tactical and Mini UAVs for both civil and military applications. Integrated navigation sensors, a wide range of highly configurable I/O and embedded LOS and BLOS communication links, provide it with the flexibility and capability of meeting almost any automation requirement. Reliability is ensured through a rugged hardware design and a safety certifiable software architecture combined with sensor and computational redundancy, making the NX-FCU CSC the responsible choice for UAV system integrators.

The NX-FCU CSC is also available with integrated dual redundant communication links (NX-FCU CSMC) and compact (NX-FCU Compact) configurations. Contact S-PLANE for further information and support in selecting and configuring an NX-FCU for your system. Units are supplied as complete FCUs or as FCU hardware with Board Support Packages (for PikeOS and real-time Linux).



  • Integrated navigation, flight control and mission management unit
  • Multi-constellation GNSS and inertial sensors
  • Wide range of configurable I/O (Serial, Ethernet, GPIO, PWM, CAN, ADC)


  • Fixed and rotary wing UAVs
  • Civil/Military Tactical and high-end Mini UAVs
  • SWaP sensitive unmanned systems

Key Advantages

  • Rugged, redundant, reliable and environmentally qualified design
  • Small, light-weight and low power (SWaP sensitive)
  • Safety certifiable software architecture (DO-178C)
  • Pairing-enabled for optional distributed redundancy
  • Customisable electrical and mechanical interfaces
  • Very wide input voltage range

Technical Specifications

Navigation GNSS/AD-Aided INS (EKF)
Control Fixed & Rotary Wing
Mission Waypoints, Loiter, Follow
Health Monitoring PBIT, CBIT, IBIT
Computational Redundancy Yes (Dual Flight Control)
Certification DO-178C SW Certifiable
GNSS Receiver Yes (Redundant)
GNSS Accuracy (Differential) < 2 cm
GPS & GLONASS Tracking Yes
IMU & Magnetometer MEMS (Redundant)
Serial (RS-422/485/232) 16x
GPO / PWM 16x
GPI / Input Capture 16x
Ethernet 1x Gigabit
CAN 1x 1 Mbps
ADC 4x 16 Bit
Dimensions (H x W x D) 79 x 128 x 122 mm
Mass 1 090 g
Input Voltage 6 to 36 VDC
Power (Typical) 20 W
Regulated Servo Power External
Operating Temperature -40 to +71°C, MIL-STD-810G
Storage Temperature -40 to +105°C, MIL-STD-810G
Vibration 0.040 g2/Hz (20 to 1000 Hz), -6dB/octave (1000 to 2000 Hz), MIL-STD-810G
Shock 20 g / 11 ms (Sawtooth), MIL-STD-810G
Humidity 95% RH, MIL-STD-810G, Aggravated Cycle


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