What are Drone Categories?

sUAS Classifications

Before we get into certifications and rules about flying over people (covered in the next two lessons), this first section gives you the full breakdown of how small Unmanned Aircraft Systems (sUAS) are categorized.

Why sUAS Categories Matter

The FAA uses four drone categories—1, 2, 3, and 4—to classify drones based on their weight, kinetic energy, construction, and compliance. These categories don’t just label the drone—they determine what you’re legally allowed to do with it, especially when flying over people or in more complex situations.

Knowing your category helps you answer questions like:

• Can I fly over a group of people at a festival?
• Does my drone need FAA certification or just a Remote ID?
• Are guards required over the propellers?

First we have the categories themselves::

suAS categories 1, 2, 3, and 4 are classifications for drones based on characteristics such as their size, weight, and risk factors. These are specific parameters such as the weight of the sUAS, or if there are exposed rotating parts that could lacerate someone’s skin if struck.

These things matter when it comes to safety, especially if there are a lot of people beneath you where an accident could do some serious harm to someone.

Then we have the Requirements and Permissions for Each Category:

These categories determine levels of regulation and certification mandated by the FAA for the sUAS, and dictate what kind of operational regulations apply.

For instance, the requirements for flying an sUAS flight mission over an an outdoor concert where a large assembly of people are gathered will change depending on the Category of sUAS you are flying.

The 4 Key Features That Determine Your Category

sUAS Classifications

To determine your drone’s category, the FAA considers four physical and operational characteristics:

You’ll see soon that when an sUAS has aspects to it that would make it much more damaging in the occurrence of a crash, there are a lot more regulations that do not allow it to perform certain types of flights without special permission. You’ll also see how the smaller, lighter, and safe the drone us, the more you’re able to do with it legally or without special permission.

With that in mind, lets look at the 4 key considerations when determining sUAS categories 1, 2, 3, and 4:

1. Weight of the sUAS

How heavy is the drone including all attachments and payload?

• The total takeoff weight influences how much potential damage the drone could cause in a collision.

2. Kinetic Energy of the sUAS

How fast is the drone going and how much does it weigh?

• This has to do with momentum: How much energy the drone would release if it were to hit something (or someone)?
• Higher kinetic energy = higher risk. A calculation of how much force your drone could deliver in a crash—based on weight + speed.

3. Exposed Rotating Parts

Can the propellers or spinning parts cut or harm someone?

• Some drones require guards to prevent injury, especially in Categories 3 and 4.

4. Certification of Compliance

Does the drone meet FAA safety standards for its category?

• In some cases, documentation like a Declaration of Compliance (DOC) is required to prove the drone is designed to operate safely.

The 4 Key Features That Determine Your Category

sUAS Classifications

Now lets think about the different types of scenarios we may be flying over. What’s going on beneath us, and what does that mean we can and cannot do?

Let’s take a look at each one in general, and later we’ll break it down by Category 1, 2, 3, anmd 4.

1. Flight in Transit vs. Hovering

Are you just flying through the airspace, or are you hovering over it? The rules differ.

There’s a difference between a drone passing briefly over a person or area vs. staying above it in place (hovering).

• Transit = Flying from Point A to Point B, crossing overhead momentarily.
• Hovering = Staying in position directly above someone or something.

Why it matters: Hovering increases exposure time and risk, so the FAA treats it differently than a quick flyover. Certain operations may only allow transit—not hovering.

2. Flight Over Bystanders

Can your drone legally fly over people who aren’t part of your crew or mission?

This refers to flying your drone directly over people who aren’t involved in the flight operation (i.e., not your crew or participants).

• Example: Filming a park where pedestrians are walking.
• Why it matters: If your drone were to experience a fly away and crash, these people would be at serious risk. The FAA has strict limitations on which categories are allowed to do this—and under what conditions.

3. Flight Requiring a Restricted Access Zone

Is it required to keep bystanders out of the area entirely?

This means you need to secure the flight area so that only people involved in the operation are nearby.

• Example: Filming a construction site where the perimeter is blocked off.
• Why it matters: Creating a controlled zone keeps bystanders away. This controlled zone reduces the chance of injury and helps mitigate risk, like a random person unknowingly walking right into your flight path zone because the area wasn’t marked off.

3. Flight Over Open-Air Assembly

Are you allowed to fly over large gatherings, like concerts or parades?

This involves flying over large groups of people gathered in one area, like concerts, festivals, or sporting events.

• Example: Capturing footage over a crowded outdoor music festival.
• Why it matters: More people = higher risk. Flying over an assembly generally requires a higher FAA certification level or type, and stricter safety measures.

Let’s walk through what sets each category apart.

Category 1 Drones

Lightweight • Low Risk • Least Regulation

Category 2 Drones

Mid-Weight • Moderate Risk • Some Certification Required

Category 3 Drones

Higher Weight • Elevated Risk • More Restrictions

Category 4 Drones

Heavy Duty • Highest Risk • Full Certification Required

Can a Drone Fit More Than One Category?

Yes—it depends on how it’s configured and how it’s being used.

For instance, a mid-size drone might qualify as Category 2 for most operations, but if it’s outfitted with new sensors, used for a more risky task, or flying faster and therefore producing more kinetic energy, it might be evaluated under Category 3.

It’s not just based on the model—it’s also based on the specifics of the flight mission.

Check Your Drone’s Category in the Flight Manual

Before every flight, check your Manufacturer Flight Manual. This is where you’ll find:

• Weight limits
• Payload capacity
• Speed thresholds
• Any included certifications or documentation
• What category the manufacturer has designed the drone to operate under