Flight Control Systems Solutions & Autopilots
SmartAP 3.2 PRO
The next generation of Professional Flight Control System
for industrial long range and heavy lift Drones

Questions? Let us know here

SmartAP 3.2 PRO
3x-Redundant Temperature-Stabilized IMU
Integrated 500mW Telemetry
Integrated OSD
FrSky S.Port Support
10-60V / 3-14S Power supply

Questions? Let us know here or buy here

SmartAP 3.2 PRO
Integration Made Simple.
Defining the future of multicopter UAV with the latest progress in
electronics, software and system integration.
Want any special features?

Questions? Let us know here

SmartAP 4 Autopilot
The latest Flight Control System for the wide range of applications
Any questions?
Contact us here
SmartAP RTK Set
When precision really matters...
Centimeter-level GNSS positioning
Smallest, lightest and efficient RTK module
Fully integrated and compatible with all SmartAP Autopilots
Any questions?
Contact us here
Power Distribution Board
High-load power distribution with voltage & current sensing
Input: up to 60V (14S), 5V & 12V output, integrated buzzer
Fully compatible with all SmartAP Autopilots
Any questions?
Contact us here
Ground Control Station & Configuration Tool
Create the mission and fly autonomously or
control the UAV using high-level commands.
For Windows, Mac OS, Linux
Want to try? Download here
SmartAP Docs
Extensive Online Documentation
Detailed information about the products including
installation, configuration and usage instructions
Covering all public Sky-Drones products
Any questions?
Contact us here
Powering Your Drones
With Our Flight Control Solutions
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Sky-Drones mission is creating Flight Control Systems solutions and Autopilots which can be applied to a wide range of Drones (UAVs) applications such as Surveying, Mapping, Inspection, Security, Safety, Media and etc. The company has an outstanding background and experience in R&D, Manufacturing and Delivering products and solutions for extremely rapidly growing market in Drones / UAV segment.

Sky-Drones primary product is SmartAP - professional Flight Control System for multirotor Unmanned Aerial Vehicles with the capability of fully autonomous flight. The system supports any type of multirotor UAV with outstanding navigation and control accuracy having multiple-redundant temperature-stabilized IMU and GPS/GLONASS based navigation. All SmartAP Autopilots are RTK GNSS ready and it's available as an option. SmartAP GCS is custom Configuration and Mission Planning software for SmartAP Autopilots.


  • All-integrated system approach - plug and fly
  • Extremely stable flight in
    - stabilize (user control)
    - position hold (semi-autonomous control)
    - auto (fully autonomos navigation and control)
  • MAVLink compatible Ground Control Station protocol
  • Accurate Position hold
    - Horizontal: up to 40cm
    - Vertical: up to 10cm
  • Manual altitude override
  • Fully autonomous waypoints flight
  • Autonomous take off
  • Autonomous landing
  • Return to Home mode
  • Low battery detection and Failsafe triggering
  • And many many more...
SmartAP v3.2 Set.png


  • Compact size and weight
    - 8x8 cm (3.15"x3.15"), weight 39 g
  • Powerful Microcontroller
    - 32 bit 168 MHz STM32F4 ARM Cortex M4
  • External GNSS receiver UBlox NEO8
    - GPS/GLONASS, 24 SATS, 10 Hz
    with integrated active antenna and 3-axis compass
  • RTK GNSS Ready
    - available as an option with SmartAP RTK Kit
  • Integrated telemetry module (500 mW)
    - External module supported
  • Integrated OSD Support
    - PAL & NTSC with auto-detection
  • FrSky S.Port Support
    - 2-way wireless telemetry
  • Backup battery
    - Real-time clock and GNSS Receiver


  • InvenSense MPU-9250
    - triple-redundant temprerature-stabilized IMU with 3-axis accelerometer, gyroscope, magnetometer
  • Honeywell HMC5883L
    - 3-axis Magnetometer
  • Measurement Specialties MS5611
    - double-redundant pressure sensor

Power supply

  • Power supply from main LiPo battery
    - 3S-14S support, up to 60 Volts
  • Power supply from 5V BEC
  • 12V, 5V, 3.3V generated onboard
  • Integrated main LiPo battery voltage monitoring


  • USB interface
    - Configuration and Firmware Update
  • Up to 24 PWM I/O support
    - optional +5V output, high-powered
    - SBUS support, PPM sum support
  • Various communication lines
    - UART/USART, RS232
    - I2C
    - SPI
    - CAN
  • MicroSD card
    - 4-bit SDIO interface
    - Data-logging and parameters storage
  • 4 ADC inputs
    - Battery voltage monitoring
    - Battery current monitoring
  • 2-channels solid state relay
  • RGB LED support
SmartAP v3.2 Set.png

More info and purchasing

SmartAP 4 Autopilot is the flight control system for multirotor Unmanned Aerial Vehicles of various configurations and sizes aimed at the wide range of applications

General specifications

  • Powerful microcontroller 32 bit 168 MHz STM32F4 ARM Cortex M4
  • Compatible with GPS/GLONASS receiver
    - UBlox NEO8, GPS/GLONASS, up to 24 sats, 10 Hz) active antenna
  • Up to 12 PWM I/O support (5V out)
  • USB interface for configuration / firmware update
  • Various communication lines (UART, I2C, SPI)
  • MicroSD, 4-bit SDIO interface for data-logging / parameters storage
  • Backup battery for RTC
  • 2x ADC inputs for battery voltage / current monitoring
  • Electromagnetic sound audio indicator
  • 3-channels LED support (up to 500mA / ch)
  • 2-channels solid state relay

SmartAP 4
SmartAP 4

Set includes

  • SmartAP 4 Autopilot
  • Power supply module with battery voltage and current monitoring (up to 6S LiPo)
  • External GPS module with integrated 3-axis magnetometer and pressure sensor
  • External onboard telemetry module with antenna
  • Ground telemetry module with antenna
  • MicroSD card and adapter for in-flight data logging and parameters storage
  • Buzzer
  • Set of cables for connection


  • ST Microelectronics STM32F427VI
  • 32 bit 168 MHz ARM Cortex M4
  • Hardware FPU


  • 2x 9-axis IMU InvenSense MPU-9250 (accelerometer, gyroscope, magnetometer)
  • 2x Pressure sensor MS5611 (integrated and external)
  • 1x 3-axis magnetometer HMC5883 (external)
  • 1x UBlox M8N GPS Module (external)
SmartAP 4
SmartAP 4


  • 12x PWM I/O
  • 1x PPM / SBUS Input
  • 1x SBUS Output
  • 1x Power Input port
  • 1x LED Output port
  • 3x UART
  • 2x I2C
  • 1x SPI
  • 1x USB Mini-B

More info and purchasing

SmartAP Accessories


GPS/GLONASS receiver with integrated patch antenna, magnetometer and pressure sensor


GPS/GLONASS RTK (Real-Time Kinematics) receiver for high-precision positioning


Power Distribution Board for ESCs / Motors power supply and 5V / 12V generation
SmartAP GCS (Ground Control Station) is the software application which allows you configuring the flight controller and planning autonomous mission for your SmartAP Autopilot.


More info and Download

Supported Airframes

Can't find your airframe type? Let us know and we will add it!