Finding
Inspection drones have moved from crews with spare batteries to docks that fly scheduled missions unattended, and endurance now separates the classes; in the US the shift collides with the block on new DJI and Autel models and 100% tariffs on thermal aircraft and docks
DJI's Dock 3 with the Matrice 4D, Skydio's Dock for the X10, Percepto's Base and Ondas's Optimus launch, land and recharge with no one on site, and the Optimus holds an FAA type certificate. Since December 22, 2025 new DJI and Autel models cannot get US equipment authorization, and Section 232 tariffs from September 3, 2026 charge 100% on thermal-equipped drones and docking stations - the two products utility programs buy most.
The asset sets the airframe. Substations, solar farms, mine sites and ports are compact and visited daily, which suits a docked multirotor flying 40-55 minutes per charge. Power lines, pipelines and rail corridors run for kilometers, which suits fixed-wing VTOLs such as the WingtraOne (59 minutes) and JOUAV CW-15 (about three hours) - but those long routes pay off only beyond visual line of sight, flown today under FAA waivers and, once Part 108 is final, under a standing rule. Boilers, tanks, sewers and mine stopes need a caged drone such as Flyability's Elios 3, which maps the space with onboard lidar in 13-minute flights.
Energy is the limiting design choice. A Matrice 350 RTK flies on two packs totaling 526 Wh and a Matrice 4E on 99 Wh, so dock charging stays under 1 kW; going past an hour means a wing, a hydrogen fuel cell (Doosan's DS30W, about two hours) or a gasoline generator charging a battery (Skyfront's Perimeter 8). Tethered drones such as Elistair's Orion take ground power through the tether and stay up for hours as fixed cameras or radio relays.
US fleets face a supply transition, not a grounding: existing DJI aircraft remain legal to fly, but FCC Public Notice DA 26-758 would pull import and marketing clearance from authorized foreign drones in seven capability categories. The replacements are Blue UAS aircraft - Skydio, Parrot's US-assembled Anafi USA, Freefly, Inspired Flight - plus Percepto (Israel) and Ondas, most of them still built around Chinese motors, magnets and cells. See the Drone Supply Chain.
Docked
Docked inspection drones
Aircraft sold with a dock that launches, recovers and recharges them unattended.
| Model | Type | Country | Powertrain | Endurance min | Payload kg | Autonomy | Approvals and US status | Status |
|---|---|---|---|---|---|---|---|---|
| Matrice 3D / 3TD with Dock 2 (DJI) | docked multirotor | China | battery-electric | 50 | Dock-in-a-box: automatic launch, landing and charging; remote missions through FlightHub 2 | FCC-authorized before the Dec 22, 2025 Covered List cutoff; existing units legal to sell and fly in the US | in production | |
| Matrice 4D / 4TD with Dock 3 (DJI) | docked multirotor | China | battery-electric | 54 | Dock-in-a-box: automatic launch, landing and charging; remote missions through FlightHub 2; vehicle-mountable dock | New DJI models barred from FCC equipment authorization since Dec 22, 2025 (Covered List); not offered new in the US; dock imports tariffed at 100% from Sep 2026 (Section 232) | in production | |
| Optimus System (Ondas (American Robotics)) | docked multirotor | US | battery-electric | Robotic arm swaps batteries and payloads inside the base; autonomous missions with remote supervision | FAA type certificate (Optimus 1-EX, 2023) | in production | ||
| Percepto Air Max with Percepto Base (Percepto) | docked multirotor | Israel | battery-electric | Drone-in-a-box with autonomous inspection and monitoring software; remote operations | FAA BVLOS approvals for dock operations without visual observers | in production | ||
| X10 / X10D with Skydio Dock (Skydio) | docked multirotor | US | battery-electric | 40 | Onboard AI obstacle avoidance from six navigation cameras; Skydio Dock and Remote Ops for missions with no one on site; drone-as-first-responder programs | Blue UAS (X10D); FAA BVLOS waivers for dock operations | in production |
Portable
Portable, confined-space and tethered multirotors
Crew-flown multirotors for close inspection, plus caged, tethered, hydrogen and hybrid aircraft.
| Model | Type | Country | Powertrain | Endurance min | Payload kg | Autonomy | Approvals and US status | Status |
|---|---|---|---|---|---|---|---|---|
| EVO Max 4T (Autel Robotics) | multirotor | China | battery-electric | 42 | Omnidirectional obstacle avoidance; mesh networking between aircraft; operates from the EVO Nest dock | New Autel models barred from FCC equipment authorization since Dec 22, 2025 (Covered List) | in production | |
| Matrice 350 RTK (DJI) | multirotor | China | battery-electric | 55 | 2.7 | Waypoint and manual missions; six-direction obstacle sensing; RTK positioning; hot-swap batteries | FCC-authorized before the Dec 22, 2025 Covered List cutoff; existing units legal to sell and fly in the US | in production |
| Matrice 400 (DJI) | multirotor | China | battery-electric | 59 | 6 | Waypoint and AI-assisted missions; rotating lidar and millimeter-wave radar obstacle sensing that detects power lines | New DJI models barred from FCC equipment authorization since Dec 22, 2025 (Covered List); not offered new in the US | in production |
| Matrice 4E / 4T (DJI) | multirotor | China | battery-electric | 49 | Waypoint missions; omnidirectional obstacle sensing; laser rangefinder; onboard AI object detection | New DJI models barred from FCC equipment authorization since Dec 22, 2025 (Covered List); not offered new in the US | in production | |
| Orion 2 (tethered) (Elistair) | tethered multirotor | France | battery-electric | Micro-tether carries ground power for continuous flight; onboard battery for safe landing | Tethered operation; national approvals | in production | ||
| Elios 3 (Flyability) | confined-space multirotor | Switzerland | battery-electric | 13 | Collision-tolerant cage; onboard lidar builds a 3D map in flight; operator-flown out of sight indoors | Indoor and confined spaces, outside FAA airspace rules | in production | |
| Astro (Freefly Systems) | multirotor | US | battery-electric | Waypoint mapping missions on an Auterion-based software stack | Blue UAS | in production | ||
| IF1200A (Inspired Flight) | multirotor | US | battery-electric | Heavy-lift carrier for lidar, multispectral and inspection payloads; waypoint missions | Blue UAS | in production | ||
| Anafi USA (Parrot) | multirotor | France | battery-electric | 32 | Waypoint missions; 32x zoom and thermal cameras | Blue UAS; assembled in Massachusetts | in production | |
| DS30W (Doosan Mobility Innovation) | multirotor | South Korea | hydrogen fuel-cell electric | 120 | 5 | Hydrogen fuel-cell power pack with battery buffer; waypoint missions | Korean special flight approvals | unconfirmed |
| Perimeter 8 (Skyfront) | multirotor | US | hybrid-electric | 300 | Gasoline generator charges a battery that carries peak loads; waypoint missions | FAA Part 107 and waivers | in production |
Fixed-wing
Fixed-wing and fixed-wing VTOL survey drones
Long-endurance mappers for corridors, mines and farmland.
| Model | Type | Country | Powertrain | Endurance min | Payload kg | Autonomy | Approvals and US status | Status |
|---|---|---|---|---|---|---|---|---|
| eBee X (EagleNXT (senseFly)) | fixed-wing | Switzerland | battery-electric | 90 | Hand-launched fixed-wing; autonomous mapping missions | Blue UAS (eBee TAC version) | in production | |
| CW-15 (JOUAV) | fixed-wing VTOL | China | battery-electric | 180 | Autonomous vertical takeoff and fixed-wing cruise; waypoint corridor missions | CAAC rules | in production | |
| Trinity Pro (Quantum Systems) | fixed-wing VTOL | Germany | battery-electric | 90 | Autonomous vertical takeoff and fixed-wing mapping missions; PPK positioning | EASA Specific category; FAA Part 107 | in production | |
| WingtraOne Gen II (Wingtra) | fixed-wing VTOL | Switzerland | battery-electric | 59 | Tail-sitter: vertical takeoff and fixed-wing cruise; autonomous mapping missions with PPK positioning | EASA Specific category; FAA Part 107 | in production |
Assets
What each asset needs
| Asset | Sensors | Airframe | Operating model |
|---|---|---|---|
| Substations and solar farms | Thermal, zoom | Docked multirotor | Scheduled unattended patrols |
| Transmission and distribution lines | Zoom, thermal, lidar for vegetation | Multirotor; fixed-wing VTOL for long spans | BVLOS by waiver; routine under Part 108 |
| Pipelines and oil and gas sites | Methane sensors, optical gas imaging, thermal | Fixed-wing VTOL; docked multirotor at facilities | Corridor patrols; leak surveys |
| Wind turbines | Zoom, thermal | Multirotor | Automated blade-scan flights |
| Boilers, tanks, sewers, mines | Lidar, lit cameras | Caged confined-space drone | Operator-flown indoors |
| Mines and quarries | Photogrammetry, lidar | Fixed-wing VTOL; docked multirotor | Volume surveys and daily site scans |
US supply
US fleet supply after December 2025
Status in late October 2026.
| Option | Examples | Status in the US |
|---|---|---|
| Existing DJI and Autel fleets | Matrice 350 RTK, Matrice 3D with Dock 2, FlyCart 30 | Legal to fly; DA 26-758 could pull import and marketing clearance |
| New DJI and Autel models | Matrice 4 and 400 series, Dock 3, EVO Max successors | No FCC equipment authorization (Covered List) |
| Blue UAS (US Defense list) | Skydio X10D, Parrot Anafi USA, Freefly Astro, Inspired Flight IF1200A | Eligible for federal purchase; utilities adopting |
| Allied docked systems | Percepto (Israel), Ondas Optimus (US, Israel) | FAA BVLOS approvals; type-certified Optimus |
| Imports of thermal drones and docks | Any origin | 100% Section 232 tariff since Sep 3, 2026 |
Sources
Sources and scope
- Scope
- Inspection Drones
- Sources
- FCC Covered List notice (Dec 22, 2025) and Public Notice DA 26-758; DroneXL (Sep 2026); UAV Coach (Part 108, Sep 2026); maker specifications (DJI, Skydio, Flyability, Wingtra, JOUAV, Doosan); Oct 2026
- Updated
- October 2026