ISR / SAR / EW / Mothership · Long-Endurance UAS
SENTINEL · FIELDED · REV 4
OVERWATCH · SENTINEL™
Sentinel
Longest-endurance hybrid multirotor in its class. 6+ hours cruise, 55 kg payload, all-domain comms — ISR, SAR, electronic warfare, or swarm mothership from one modular bay.
6+
HR CRUISE
55
KG PAYLOAD
140
KG MTOW
100+
MPH CRUISE
AIRCRAFT EXPLORER / 01
OVERWATCH FAMILY / SENTINEL
Explore Sentinel
One aircraft. A closer look.
Discover the details that set Sentinel apart.
SENTINEL / INTERACTIVE 3DPREPARING VIEW
LOADING AIRCRAFT
DRAG TO ORBIT · SCROLL / PINCH TO ZOOMSELECT A COMPONENT
Why It Wins
Six hours on station. One airframe, every mission kit.
- Longest endurance in class — 6+ hrs cruise / 4.5 hrs hover from a single sortie.
- All-domain comms stack: Starlink + LTE + LoRa Mesh + SATCOM — persistent link at any range.
- Modular payload bay — ISR, EW, comms relay, SAR, or swarm mothership in minutes.
- Up to four EO/IR gimbal cameras, each independently controlled remotely.
- Up to two child drones, controlled as FPV or autonomous.
- Up to six custom SDR radio/antenna packages for ELINT/SIGINT, 1 MHz to 6 GHz.
MISSION SIM 01 · VIP PROTECTION
Four observers. One shared picture.
Sentinel holds overwatch above a live venue while four independently aimed EO/IR cameras, each with its own operator, cover the stage, the screened entrance, the vehicle approach and the restricted perimeter at once.
SIMULATED MISSION · ILLUSTRATIVE VIEWS · 1:50
SPECIFICATIONSSENTINEL · REV 4
MTOW
140 kg
USEFUL PAYLOAD
55 kg (modular bay)
ENDURANCE — CRUISE
6.0+ hrs
ENDURANCE — HOVER
4.5 hrs
CRUISE SPEED
100 mph+
POWERPLANT
Hybrid ICE / Generator / Battery · 21 kW
AIRFRAME
Coaxial Octacopter — 8 rotors, 8 motors
COMMS
Starlink · LTE · LoRa Mesh · SATCOM
SENSOR OPTIONS
Up to 4× EO/IR gimbal cameras (independently controlled)
CHILD DRONES
Up to 2× — FPV or autonomous
SDR / ELINT
Up to 6× custom SDR + antenna packages, 1 MHz – 6 GHz
MISSION PROFILES
Long-endurance ISR · SAR · Electronic Warfare · Swarm Mothership
COMPLIANCE
NDAA · American-built · BlueUAS certification pending
COMMON AIRFRAME
Shared with Overwatch-Vanguard™ — one training footprint, one supply chain
BASE UNIT PRICE
Ask us to configure for your mission
SENTINEL · LIVE TELEMETRY (SIM)● LIVE
> ORBIT ……… 06:12:44 REMAINING
> ALT ………… 4,200 FT AGL
> GND SPD ……… 87 MPH · BRG 042°
> LINK ……….. STARLINK + SATCOM · 9 NODES MESH
> PAYLOAD ……… EO/IR ×2 · SDR ELINT ×3
> FUEL / BATT ….. 64% / 91%
Arrange a capability brief.
sales@unmannedunited.com · +1 (407) 233-0000