DJI Agras T100 Flight Limits, GEO Zones & Operating Environment
Before planning a DJI Agras T100 job, the first question is not simply whether the aircraft can carry the intended payload. The operator also needs to know whether the weather, altitude, GNSS environment, electromagnetic environment, DJI GEO status and configured flight limits allow the aircraft to operate normally. This guide reorganizes the T100 manual’s performance-and-limitations material into a practical pre-operation decision path.
Quick Answer: The DJI Agras T100 manual lists a basic empty weight of 75 kg, a maximum payload of 100 kg at sea level, maximum takeoff weights of 175 kg with two sprinklers and 177 kg with four, a top speed of 20 m/s in the manual’s general specification, a maximum configurable flight radius of 2,000 m, a maximum configurable flight altitude of 100 m, maximum wind resistance of 6 m/s and a maximum takeoff altitude of 4,500 m. Those are aircraft specifications, not universal permission to use every value. Actual operation is also constrained by local regulations, GEO Zones, weather, GNSS/RTK conditions, payload recommendations and the surrounding radio/magnetic environment.
T100 performance specifications in context
The manual’s performance table gives the aircraft-level reference values operators should know before evaluating a mission. DJI notes that test results vary with environment and that payload capacity decreases with increasing altitude.
| Specification | T100 manual value | Operational meaning |
|---|---|---|
| Basic empty weight | 75 kg | Reference airframe weight before payload configuration. |
| Maximum payload | 100 kg at sea level | Not a promise of 100 kg in every altitude, temperature or aircraft condition. |
| Maximum takeoff weight | 175 kg with 2 sprinklers; 177 kg with 4 sprinklers at sea level | Configuration changes affect takeoff weight. |
| Hovering time | 4.7 minutes at 175 kg with a 41,000 mAh battery under the stated test conditions | Reference test result, not a field endurance guarantee. |
| Top speed / never-exceed speed | 20 m/s; regional variants can differ | Actual legal and operation-mode limits may be lower. |
| Maximum configurable flight radius | 2,000 m | Software/configuration ceiling, subject to local rules and VLOS requirements. |
| Maximum configurable flight altitude | 100 m | Configured ceiling in DJI Agras; regulatory limits may be more restrictive. |
| Maximum wind resistance | 6 m/s | Severe-weather operation above this is prohibited by the manual. |
| Maximum takeoff altitude | 4,500 m | Performance degrades with altitude; payload must be reduced as conditions require. |
| Core-module protection rating | IP67 under specified laboratory conditions | Not permanent; damage, aging or unsecured waterproof covers can reduce protection. |
Weather and operating-environment limits
DJI specifies an operating-temperature range of 0° to 40° C (32° to 104° F) and instructs operators not to use the aircraft in severe weather such as wind exceeding 6 m/s, heavy rain, snow, ice, fog or lightning. For spraying, DJI says to operate below 6 m/s wind and recommends below 3 m/s when using herbicides, fungicides or insecticides that are easy to drift or pose phytotoxic risk.
Environmental planning should also consider people, animals, roads, water, utility poles, high-voltage lines and trees. During takeoff, landing and flight, the manual calls for a safe distance from crowds and animals and emphasizes open operating areas.
Altitude changes payload and battery behavior
The manual specifically notes that payload capacity decreases with altitude. At approximately 2 km (6,560 ft) and above sea level, battery and aircraft performance may be reduced. In low-temperature conditions, the flight battery should be fully charged and payload reduced as needed; otherwise flight safety can be affected or a takeoff limit can occur.
GNSS environment matters before takeoff
Do not operate where GNSS is severely affected, such as indoors or under bridges. The manual calls for strong GNSS signals and open areas. If the operation depends on RTK, the RTK environment also needs to be free of significant radio interference.
DJI GEO System: what it is and what it is not
DJI describes the Geospatial Environment Online (GEO) System as a global information system that provides flight-safety and restriction information and can prevent UAVs from flying in restricted areas. The manual also makes an important distinction: GEO information may not fully align with local laws and regulations. Operators remain responsible for complying with applicable requirements and for determining whether the intended operation is legally permitted.
Restricted, Authorization, Warning and Altitude Zones
The T100 manual separates GEO areas into several types. Their operational consequences are different, so a color on the map should be interpreted by zone type rather than as one generic “restricted” state.
| Zone type | Manual behavior | Operator takeaway |
|---|---|---|
| Restricted Zone | Takeoff is prohibited unless the required unlocking conditions are satisfied. If the aircraft enters one in flight, a countdown and semi-automatic descent behavior can occur. | Resolve airspace and GEO status before launch; do not treat in-flight restriction response as a substitute for planning. |
| Authorization Zone | Takeoff is blocked without permission/unlocking. | Confirm authorization before mission setup. |
| Warning Zone | The aircraft can fly but the operator receives a warning. | Read and understand the warning; legal restrictions may still exist independently. |
| Enhanced Warning Zone | The app requests confirmation before continuing. | Do not dismiss the prompt without understanding the operating area. |
| Altitude Zone | Aircraft altitude is limited to the zone’s restriction when GNSS is strong. | Configured mission altitude may be overridden by the applicable limit. |
Flight altitude and distance limits
DJI Agras allows the operator to configure maximum altitude and maximum distance around the Home Point. With strong GNSS, the aircraft cannot exceed the configured maximum altitude or the maximum straight-line distance to the Home Point. With weak GNSS, the manual still applies the configured altitude limit, while distance behavior differs.
If GNSS is lost entirely during flight, the aircraft can enter Attitude mode and its position information will no longer update normally. This is one reason the configured operating area should not be treated as an invisible fence that replaces active pilot awareness.
Interference with flight control and communications
Tall buildings, steel structures, mountains, rocks and forests can affect compass accuracy or block GNSS and remote-controller signals. DJI also tells operators to avoid wireless devices using the same frequency bands as the controller and to use caution near high-voltage power lines, power-transmission infrastructure, mobile base stations, broadcast towers and other electromagnetic sources.
When operating multiple aircraft, the manual calls for more than 10 m separation between aircraft. It also notes that radar sensitivity can be reduced when multiple aircraft operate within a short distance.
Severe communication interference can trigger signal loss and failsafe behavior. For that reason, a weak-signal event should first be investigated as an environment/transmission problem before automatically assigning the fault to a controller, antenna or aircraft communications module.
RTK interference considerations
When using RTK, operate in an open environment free of radio interference and do not obstruct the RTK antennas. If the RTK dongle is used for field planning, DJI says to disconnect it from the remote controller after planning is complete because leaving it connected can affect communication performance.
Compass calibration: when location matters
DJI says compass calibration affects flight safety. Calibrate when prompted in the app, but do not calibrate in locations with strong magnetic interference, including near utility poles or steel-reinforced walls. Do not carry ferromagnetic objects such as keys or phones during calibration. If calibration appears abnormal after placing the aircraft on the ground, underground magnetic interference may be the cause; move the aircraft and try again.
Can I operate here? T100 decision checklist
- Weather: temperature within the manual range; no severe weather; wind appropriate for both flight and the intended chemical application.
- Altitude: account for reduced payload and battery performance as elevation increases.
- GNSS/RTK: strong positioning environment; correct RTK source when RTK is enabled.
- Airspace: check local legal requirements and current DJI GEO status independently.
- Configured limits: verify max altitude, max distance and RTH settings before flight.
- Interference: identify radio, magnetic, steel-structure and high-voltage hazards.
- Compass: calibrate only when prompted and only in a suitable environment.
- Payload: follow the DJI Agras recommended payload for the current aircraft/environment state rather than assuming sea-level maximum payload.
Common mistakes
Reading “100 kg payload” as a universal field allowance
The manual specifies 100 kg at sea level and separately warns that payload capacity decreases with altitude.
Using the 2,000 m configurable radius as permission to operate 2,000 m away
A configurable technical ceiling does not replace VLOS, local operating rules, link conditions or mission-specific safety planning.
Assuming DJI GEO equals the complete legal airspace picture
DJI explicitly states that GEO may not fully align with local laws. Use it as one layer, not the only airspace check.
Calibrating the compass beside a truck, steel building or power infrastructure
Strong magnetic interference can invalidate the calibration. Move to a suitable area first.
Frequently asked questions
What is the DJI Agras T100 maximum payload?
The manual lists 100 kg at sea level. Actual recommended payload can be lower depending on altitude, temperature, aircraft condition and surroundings.
What is the T100 maximum wind resistance?
The manual lists 6 m/s. For drift-sensitive herbicides, fungicides or insecticides, DJI recommends operating below 3 m/s.
What is the T100 maximum takeoff altitude?
The manual lists 4,500 m above sea level, while also warning that payload, battery and aircraft performance decrease at higher elevations.
Does DJI GEO replace local airspace rules?
No. DJI states that GEO information may not fully align with local laws and regulations.
What happens if the T100 enters an Altitude Zone?
With strong GNSS, the aircraft is limited by the applicable altitude restriction. If it is already above the limit when GNSS becomes strong, the manual describes a countdown followed by descent below the limit.
Can radio interference cause RTH?
Yes. The manual notes that severe interference leading to signal loss can cause failsafe RTH depending on the configured signal-lost action.
Related T100 manual guides
- T100 First-Time Setup & Activation
- T100 Aircraft Systems, Radar, Vision & RTK
- T100 Remote Controller & DJI Agras App
- DJI T100 Parts
Source and revision note
Primary source: DJI AGRAS T100 User Manual v1.0 (2025.11), pp. 29–35. This article reorganizes the manufacturer’s performance, flight-environment, GEO, flight-limit, interference and compass-calibration material into an operator decision guide. Always prioritize current aircraft/app prompts and applicable local requirements when they differ from this manual revision.
