Unfolded Diameter (w/o Props)917 mm
Unfolded Diameter (Including Props)1407 mm
Unfolded Height359 mm
Folded Diameter508 mm
Folded Height178 mm

Motors and Propellers

PowerplantFreefly F45
Number of Motors4
Motor Max Continuous Power Output350 W
Motor Max Instantaneous Peak Power Output600 W
Equivalent Kv420 Kv
Electronic Speed ControllerFreefly Silent-Drive Sine Wave ESC
Max RPM3500 RPM
Propellers21 x 7.0" (folding)
MaterialCarbon Fiber Reinforced Nylon
Propeller Orientation(2) CW and (2) CCW Props
Flight Time (No Payload)38 min


TypeFreefly Super Light Batteries (SL8-Air)
Nominal Battery Voltage21.6V
Capacity (SL8-Air)157Wh
Weight (per battery)1035 g
Operating Temp-20 to 50 C
BMSRedundant BMS with active cell balancing and storage mode
Safety Protectionsovervoltage, overtemperature, over-discharge
USB-C PD5-20 V, up to 60 W output
CommunicationOLED User Screen CAN - for communication to the aircraft
Max Continous Current (10s)80 A
Max Peak Current (1s)120 A
Cell ChemistryLithium-Ion
ChargerFreefly SL8 Fast Charger

Payloads and Weight

Maximum Gross for Takeoff6,950 g (conditional on altitude)
Maximum Payload1,500 g
Typical Standard Empty weight3,095 g
Payload MountsVibration Isolated Gimbal Quick Release, Vibration Isolated Cheese Plate, Toad in the Hole
Integrated PayloadsLR1 Payload, Gimbaled Alpha 7R IVA Mapping Camera, Wiris Pro Payload, Sentera 6X, Sentera 6X Thermal, Sentera 65R, Hovermap ST-X
Gimbal Quick Release ConnectionsPower, MAVLink Communication Protocol

Flight Controller

Flight Controller HardwareFreefly Custom Designed Skynode
Flight Controller SoftwareAuterion Enterprise PX4 (custom for Astro)
Mission Control SoftwareAuterion Mission Control
Online Fleet ManagementAuterion Suite
Flight ModesManual, Altitude Hold, Position Hold, Autonomous Mission, Return to Land
Onboard ModulesCortex-A53 Computer, LTE
ConnectivityBLE, Wifi, USB C, LTE (North America)
Supported RadiosFreefly Pilot Pro (with Herelink or Doodle Labs radios)
Supported GNSSL1/L2 GPS, GLONASS, Beidou and Galileo bands


Orientation LightsBoom tip mounted lights
Orientation Light Color OptionsColors can be set in software - red, orange, yellow, green, blue, purple, white, off
Operating Temperatures-20 to 50 C
Ingress ProtectionTested to IP43