Short answer: Spray drones sit between two rule books: aviation law, which covers the aircraft and the pilot, and pesticide law, which covers what you put in the tank and how you apply it. A third group, customs, radio and battery transport rules, applies when you import. A New Mexico State University extension guide puts the US case clearly: before an entity can legally operate these systems, it must meet aviation, pesticide and recordkeeping requirements. The same three-part pattern is a useful way to check any country, but the details are local.
The three groups of rules
| Group | What it covers | Typical authority |
|---|---|---|
| Aviation | Pilot qualification, drone registration, operator approval, flight limits such as height, distance and flying near people | Civil aviation authority |
| Pesticide and farming | Who may apply pesticides, which products allow aerial use, buffer zones, records | Ministry of agriculture, pesticide regulator, state or provincial agency |
| Import and equipment | Customs class, radio frequency approval, battery transport, product safety | Customs, spectrum regulator, transport authority |
What the United States shows
US extension material is a good model because it is detailed. The NMSU guide describes a Part 107 remote pilot certificate for commercial drone flying, and a Part 137 agricultural aircraft operations certificate for dispensing substances such as pesticides, fertiliser and seed. It also separates drones by weight: those between 0.55 lb and 55 lb, including the weight of the liquid, fall under Part 107 registration, and heavier drones follow another route with an exemption. On the pesticide side, it explains that applying for hire needs a commercial applicator licence from the state.
Do not copy this list for your own country. It shows how many separate approvals can exist, and it shows that the full take-off weight, with a full tank, can change the category. You can read the current federal rules on the FAA UAS page.
Who to ask in other regions
The names differ, but the questions are the same. Search for the type of body below on your government websites. The names are given as a starting point and we have not verified every national rule.
| Region | Aviation body type | Pesticide or farm body type |
|---|---|---|
| United Kingdom | Civil Aviation Authority (drone pages) | Health and Safety Executive and the agriculture departments |
| South Africa | South African Civil Aviation Authority, SACAA | Department of Agriculture, pesticide registration office |
| European Union | National aviation authority under EU drone rules | National plant protection authority; EU rules limit aerial spraying in many cases |
| India | Directorate General of Civil Aviation, Drone Rules | Central and state agriculture departments |
| Brazil, Southeast Asia, Africa, Central Asia | National civil aviation authority | Ministry of agriculture or plant protection service |
For general background on pesticide management, the FAO pest and pesticide management page is a good starting point. Where a country has no drone-specific rule, authorities often apply the rules for manned agricultural aircraft or for general drones. Ask which one they will apply.
Six questions to answer before you start
- Is flying a drone for work allowed, and what pilot qualification is required?
- Must the aircraft be registered, and at what weight does the category change?
- Who may apply pesticides from the air, and does the product label allow it?
- Are there limits on height, distance from people, buildings and water, or flying at night?
- Does the radio frequency of the drone’s controller have approval in your country?
- How are the lithium batteries imported and transported?
Example: a dealer’s pre-order file
This is an example of good practice, not legal advice. A dealer planning to sell 10 drones to service teams can ask the aviation authority one written question about the F52 and F72 take-off weights, ask the pesticide regulator whether aerial application by drone is allowed for the crops in the plan, and ask customs about the tariff class and battery rules. If three letters or emails come back with clear answers, the dealer knows the market is open. If the answers are unclear, the dealer should start with a demonstration unit and talk to the authority before a larger order.
How we help
We can supply specification sheets, the weight data that appear on our product pages such as F72 and F52, and CE information for the F-series. Pilot training is covered on our support page. If you plan a service business, our spray service guide lists what teams usually set up in the first season. Final legal approval always stays with your local authority.
Related reading: how to choose a spraying drone, the F72 spray drone and the dealer programme.
