Veronte Autopilot 4x

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  • Veronte Autopilot 4x

    Veronte Autopilot 4x

    Veronte Autopilot 4x is a redundant control system for critical operations such as UAM, eVTOL or MALE, HALE and Tactical drones. Fail-operational redundant autopilot  architecture has been designed for avoiding single point of failure, all this included in a miniaturized autopilot managed by a dissimilar arbiter board.

    Configurable control software makes Veronte Autopilot 4x compatible with all kinds of vehicle or aircraft layout. DO178C / ED-12 and DO254 aviation standards compliance is maintained in all configurations, enabling UAV, RPAS and UAM certification. Environmental DO160 / MIL-STD-810 test compliance data pack and MTBCF is also available for entering a certification process.

    Veronte 4x redundancy

    4x Redundancy

    Veronte 4x -Certification datapack

    Certification Datapack

    Veronte 4x - dissimilar arbiter

    Dissimilar Arbiter

    Veronte 4x - No SPOF

    No SPOF

    Veronte 4x - eVTOL UAV and others

    eVTOL, UAV and Others

    Control Strategy

    User defined using block diagram flow

    Automatic Routines

    Events and actions for FTS, operation, payload…

    Payload Interface

    Custom messages definition


    Veronte Autopilot 4x includes a series of tools for the customization of the control and navigation strategy. The Programs module permits to generate block diagram flows for defining the control laws and other programs in the system. Block libraries like PIDs, Adaptive Control, Energy Control, maths and logical operations are available.

    With the automations module it is possible to define automatic routines in the system. It permits to associate system events (WP reach, variable, battery…) with automatic actions (landing, go home, payload…) enabling fully autonomous mission and payload control. Custom Messages, Comms Manager, Phases… tools are also available for enhanced customization.

    eVTOL & UAM

    Redundancy and high reliability assurance is a must when doing manned flights operations or flying over populated areas. For this, Veronte Autopilot 4x is the first drone and eVTOL autopilot including 4x redundancy and compliance with the DO178C and DO254 aviation standards up to DAL-B (DAL-A Ongoing). 

    For eVTOL operations, Veronte Autopilot 4x can be directly connected to an onboard stick and a control computer running the user interface.  Buttons and sticks can also be connected, configuring a custom aircraft cabin. Flight modes can easily be configured according to pilot skills and aircraft capabilities.

    eVTOL Features

    Onboard sticks and user interface

    Cloud Connectivity

    Fleet management and database connectivity

    High Reliability

    Redundancy and certification data pack

    Proven Reliability

    MALE, HALE & Tactical UAV installation

    Companion Computer

    Interface with onboard mission computer


    Compliance with DO178C, DO254, DO160 standards

    MALE & Critical UAV

    Veronte Autopilot 4x has been successfully installed in a wide range of Tactical, MALE and HALE UAVs. This redundant control system includes advanced tools for these scenarios, such as, fly-by-camera or communications silence. Fully autonomous operation from vessels or moving vehicles is possible thanks to the Rendezvous and Relative Mission algorithms. 

    In configurations where onboard computer vision or extended data processing capacity is needed, it is possible to interface a Mission Computer with the Veronte Autopilot 4x. It permits to exchange telemetry data between both computers and send commands and routes to the autopilot from the external source.

    Embedded 3x Redundancy

    Three complete autopilot cores inside

    External 4x Core

    Third party autopilot connection as main core or FTS

    High Reliability

    No Single Point Of Failure, robust even on arbiter failure


    Veronte Autopilot 4x is the redundant version of the Veronte Autopilot 1x. It embeds three complete autopilot cores plus one dissimilar arbiter board managing the redundancy. This redundant flight controller has been designed so there is no single point of failure and custom voting strategies can be configured.

    An external autopilot core can be installed by connecting it to the multiplexing stage and entering to the voting strategy. The 4th core can be configured as the main flight computer so the Veronte Autopilot 4x acts as a FTS solution or it can be a dissimilar backup unit.

    Design Reliability

    DO178C / ED-12 and DO254 DAL-B compliance

    Environmental Test

    Test according to DO160 and MIL-STD-810

    Certification Documents

    Design, testing and manufacturing reliability evidences


    DO178C / ED-12 and DO254 aviation design standards are followed during the Veronte Autopilot 4x development process (DAL-B). It permits to ensure the hardware and software reliability in the redundant autopilot for eVTOL and UAV certification. In addition, DO160 and MIL-STD-810  test permits to ensure robustness to adverse environmental conditions. 

    A robust Acceptance Test Procedure (ATP) is followed during the manufacturing process. It includes an Environmental Stress Screening (ESS) phase that subjects the autopilot to temperature and vibration cycles for the detection of latent failures. This documentation, together with the DO Certification Data packs provides the evidence needed for UAV or eVTOL certification.

    Data Logger

    Onboard and on ground data logging

    Worldwide Operation

    Embedded worldwide DEM model

    Advanced Control

    Flight control optimization for aircraft layout

    Advanced Functions

    In these applications where failure is not an option, Veronte Autopilot 4x includes extended reliability and fail-operational functions. The automations module in Veronte permits to customize the aircraft performance upon a system failure or a risk to the operation (Low battery, datalink loss, GNSS loss, obstacle detection, flight envelope…).

    Onboard and control station data loggers are available within the autopilot and in the control station for post flight analysis. In addition, the eVTOL and UAV flight controller includes: worldwide DEM, curve based navigation, GNSS-attitude estimation, relative missions, RTK, adaptive control, sensor fusion, situational awareness, fly-by-camera…

    Long Range Operations

    A wide variety of communication channels can be used for interfacing the Veronte Autopilot 4x with the GCS (Ground Control Station). Veronte Tracker is the prefered solution for long range communication but  third party LOS, 4G/LTE and Satcom datalink modules can be used for communications with no range limitations. 

    The use of Veronte Cloud and the embedded 4G module in the UAV / eVTOL control system enables UTM integration by interfacing with online databases for air traffic and weather information. Sense & Avoid functions are also possible by installing an obstacle data source, such an, ADS-B, a radar or a LIDAR sensor.

    Veronte Autopilot 4x

    LOS Datalink

    BLOS Communications

    Sense & Avoid


    Extended I/O

    RS232, RS485, PWM, GPIO… ports included

    4th Autopilot

    Dedicated connector for external module

    CAN Expander

    Extended I/O and long cables

    Extended I/O

    Veronte Autopilot 4x includes a wide variety of inputs and outputs. RS232, RS485, CAN Bus, I2C, PWM, Analog, Digital I/O… are available and can be easily configured for interfacing with all kinds of devices. A dedicated connector is available for the connection of an external 4th autopilot core. 

    The Veronte CEX module is designed for large vehicles so the number of I/O available can be easily expanded and complex system architectures can be defined. The redundant CAN Bus provides a robust communications channel for long cables, converting the signals to PWM, I2C… once near the device requiring it.

    Empty Weight6kg (11kg with batteries)
    Endurance44min with 1.5kg payload
    Maximum Speed70km/h
    Max Wind Speed43.2km/h
    StructureFoldable, carbon fiber
    Take offVertical


    Flight Control System 
    Control SystemVeronte Autopilot
    DatalinkLOS | 4G BLOS
    Mission PlanningDrawing on the map, mission based on curves Pre-programmable & in flight edition Selectable map (Google, Bing, custom images …) Mapping & surveillance tools Exclusion areas Custom routines
    Pre-Flight ChecksCustom checklist
    Takeoff & LandingFully automatic
    Data LoggingOnboard & on control station data log, with customized information (position, attitude, speed, battery …)
    Configurable Automatic RoutinesTriggering events: arrival to a waypoint, altitude, inside / outside of a polygon, low battery, data link quality… Automatic actions: photogrammetry, payload release, go to a waypoint …
    Failsafe Routines (Configurable By The User)Go home In situ landing Go to a waypoint Definition of obstacles …


    Aircraft Specifications 
    Number Of Rotors6
    PropellerCarbon fiber  22×6.6
    Size1287mm base width |1650 wingspan |493 heighr
    MotorDisk 4822 390kv
    Batteries2x 6s 25000mAh
    GimbalDual camera(EO+IR)|single camera(EO)
    Payload diversityMapping camera, multispectral camera, transponder, real time video, LIDAR, RADAR …

    Veronte Autopilot 4X Datasheet