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Understanding Airspace for Drone Pilots

Core Curriculum-based Youth Drone Program Series 2 of 6
CDFS-4122
Community Development
Date: 
11/17/2025
Meghan Thoreau, Extension Educator, Community Development, Ohio State University Extension—Pickaway County

Airspace refers to the part of the sky a country controls above its land or territory. It is where airplanes and other aircraft take off and land. In the United States, the Federal Aviation Administration (FAA) is responsible for managing this airspace and ensuring everyone shares the sky safely and efficiently.

For drone pilots, understanding airspace is not just about following rules; it is also about being a responsible and safe remote pilot. Airspace rules and regulations help everyone avoid needless accidents and keep everyone safe.

Under Title 14, Part 107, of the Code of Federal Regulations, the FAA requires drone pilots to know the different types of airspace, figure out when they need permission to fly in certain areas, and understand the sectional charts that pilots use to navigate. Ignoring these rules can get remote pilots into serious trouble, such as fines or loss of their commercial drone license.

Imagine you are flying your drone near an airport, but you do not realize the area you are flying in is a controlled (Class C) airspace. If you do not get permission from air traffic control (ATC), you are breaking the law and potentially putting passenger planes in danger. Similarly, flying into an area where the FAA has put up a "do not fly" zone, commonly called a temporary flight restriction (TFR), could also result in an emergency. A smart drone pilot always checks before taking off to make sure they are not flying in a restricted area.

Drone clubs for youth are great because they teach prospective remote pilots important lessons in a fun and practical way, while building their confidence in the field. Drone Clubs provide practice for mapping out safe routes, pretending to talk to air traffic control, or using drone apps to see real-time flight information. Whether you are making a cool video for school, competing in a drone challenge, or repairing a drone, you are getting real-world experience in understanding and following airspace rules. It is not just about flying; it is about flying responsibly.

Where Can Your Drone Fly? Controlled Versus Uncontrolled Airspace

Distinguishing between controlled and uncontrolled airspace is one of the first and most important concepts to know and understand as a drone pilot. Consider the driving conditions and rules on a busy highway versus a quiet country road—each environment and traffic flow requires different rules to ensure a safe travel route.

Controlled Airspace

Graphic displaying information on the above-ground-level heights that class B, C, D, E, and G for small, unmanned aircraft can fly with or without ATC authorization.
Think “busy.” Controlled airspace is usually near large airports, major cities, and flight corridors with high-traffic patterns. This type of airspace is further broken down into classes A, B, C, D, and E. Each class has specific characteristics and requirements (Note: Class A is not accessible to drones, so it is important to know it exists, but you do not need to consider it for drone operations.) Due to its high level of activity, controlled airspace requires air traffic control (ATC) to act as “air traffic cops,” actively managing aircraft to keep them safely separated and moving efficiently through the shared airspace. ATC achieves this through a combination of regulations, authorization processes, pilot responsibility for situational awareness and avoidance, and advancements in communication technology (Cursa, n.d.). Below is the airspace guidance graphic for sUAS (small, unmanned aircraft systems) operators.

Before You Fly: Controlled Airspace Essentials

  • Managed by ATC: These are real people—dedicated air traffic controllers—actively guiding aircraft (including drones) to keep everyone safe.
  • Permission is non-negotiable: You cannot fly your drone into Class A, B, C, D, or certain parts of Class E airspace without permission from the FAA.

Get permission: You can get instant low-altitude authorization through Low Altitude Authorization and Notification Capability (LAANC) through your mobile phone. Pilots simply submit a LAANC flight request through a variety of FAA-approved unmanned aircraft systems (UAS) service suppliers. After inputting details such as location, altitude, and time of operation, LAANC processes the request instantly using real-time FAA data. For more complex operations, use the FAA DroneZone portal (faadronezone-access.faa.gov/#/) to apply for permission.

Real-world Example:
Thinking of flying near a mid-sized
airport such as Rickenbacker (LCK) in Columbus, Ohio? That is Class C airspace, and you must have FAA authorization in hand before your drone even powers up. There are no cutting corners. Permission is not optional—it is a hard requirement to keep the skies safe for everyone.

It is not only illegal to fly into controlled airspace without permission, but also incredibly dangerous. Doing so can put manned aircraft and people on the ground at serious risk and lead to hefty fines and legal trouble from the FAA.

Uncontrolled Airspace

Think “wide-open field” or “rural landscape.” Uncontrolled airspace is airspace above more rural, remote areas, far away from major airports and population centers. The limited air traffic in these areas does not justify extensive policing services. Remote pilots must follow general rules, but there are no air traffic control (ATC) services providing oversight to ensure separation and instruction for aircraft. This type of airspace is usually classified as Class G airspace and is the least restrictive area for drone operations.

Before You Fly: Uncontrolled Airspace Essentials

  • No ATC services: All general rules must be followed, but without ATC oversight.
  • Ground to sky: Starts from the ground and extends to 700 or 1,200 feet above ground level (AGL). The reason for varying the floor to ceiling altitudes near airports is to accommodate the ascending or descending flight paths of aircraft taking off or landing (Figure 1).
  • “Go-to” zone: Most recreational or commercial drone flights (under Part 107) do not need specific FAA authorization to fly here.

Rules to follow: Important—you must stay below 400 feet AGL and adhere to all other Part 107 regulations (e.g., visual line of sight, yielding to manned aircraft, not flying over people, etc.). This 400 feet AGL limit is depicted with a dashed line in Figure 1. Note that when the 400 feet AGL limit wraps around antennas or buildings that may exceed 400 feet AGL, the AGL limit will include the additional height of the antenna or building.

Real-world Example:
Picture yourself flying your drone over farmland, exploring a vast remote park, or enjoying a wide-open field far away from any airport. In these scenarios, you are almost certainly in Class G airspace—the wide-open skies where no prior authorization is required.

Pro Tip for Youth Pilots:
Before you fly, always check the airspace using tools such as B4UFLY or AirMap to determine if you are in controlled or uncontrolled airspace.

Airspace Classes

Table 1, “Comparison Table for Airspace Classes,” provides a comprehensive comparison of airspace classes A, B, C, D, E, and G. The table outlines the key features of each class, including whether the airspace is controlled or uncontrolled, the altitude ranges it covers, and its overall structure. It also details accessibility requirements, authorization rules, and aircraft equipment standards, along with the specific weather minimums, VFR visibility, and cloud clearance requirements that apply. Together, these comparisons offer a clear overview of how each class of airspace operates and what pilots must consider when flying within them.

Airspace Classes Made Easy in 8 Minutes

A quick video overview of airspace classes (youtube.com/watch?v=K7Klkxny_FQ&t=3s) is available with time-stamped segments that allow you to view the subjects you have the most interest in:

 

  • 00:00 – Introduction
  • 00:05 - What is an airspace class?
  • 00:21 - Class A
  • 01:04 - Class B
  • 02:19 - Class C
  • 03:21 - Class D
  • 04:09 - Class E
  • 06:18 - Class G

Easy Airspace Breakdown

  1. Class A is special:
  • high-level Instrument Flight Rules-only (IFR-only) airspace, or high-altitude airspace (starts at 18,000 feet MSL)
  • not relevant to Visual Flight Rules (VFR) pilots or UAS operators under Part 107—separate from surface-based airspace layers
  1. Classes B, C, and D:
  • surface-based, busy/towed airports
  • require communication or clearance
  • associated with towered airports
  1. Class E:
  • airspace outside of A, B, C, and D is Class E airspace
  1. Class G:
  • “go-to” airspace for drones
  • the only uncontrolled airspace—no ATC authorization required under Part 107
  • exists below or outside controlled airspace (often the surface up to 700 feet AGL)
  • ideal for drone operations due to low traffic and flexibility, though pilots must still follow all Part 107 safety rules and yield to manned aircraft
Table 1 (click to download PDF): Comparison Table for Airspace Classes (Drone U, 2025; Pilot Institute, 2024).
Graphic of table showing rules for class A, B, C, D, E, and G airspace.

Abbreviations

Graphic displaying the Class E weather minimums below 10,000 feet for the 3-152 rule, showing that there must be 3 statute miles of visibility, and must fly 1,000 feet above the highest cloud, 500 feet below the lowest cloud, and 2,000 feet in horizontal distance away from any cloud.
Instrument flight rules (IFR):
Pilots navigate by instruments (may operate in poor visibility). ATC involvement mandatory and continuous; used in commercial airline and cargo operations.

Visual flight rules (VFR): Pilots navigate visually. Requires good visibility and cloud clearance; typical for private, recreational, and remote pilots. Operations above 10,000 feet MSL require higher minimums due to increased aircraft speeds, reduced reaction times, and greater likelihood of IFR traffic.

E-SFC: Class E airspace beginning at the surface.

LAANC: Low Altitude Authorization and Notification Capability, providing near–real-time UAS access.

MSL: Mean Sea Level—a global reference point for altitude.

SM: Statute Mile—equal to 5,280 feet.

UAS limitations (Part 107): Maximum altitude of 400 feet AGL (or within 400 feet of a structure). Must yield right-of-way to manned aircraft. Operations must remain under visual line of sight (VLOS).

Real-World Example:
Class E airspace can be one of the trickiest to understand because it doesn’t begin at a single altitude everywhere. To determine whether you are in Class E- Surface (E-SFC) airspace, look carefully at a sectional chart:


- Magenta dashed line. Indicates Class E beginning at the surface. If you are inside this boundary, ATC authorization is required for sUAS operations.
- Faded or shaded magenta area. Shows Class E beginning at 700 feet above ground level (AGL). Anything below 700 feet AGL remains Class G, where no authorization is required under Part 107.

Graphic displaying the Class E weather minimums above 10,000 feet for the 3-151 rule, showing that there must be 1 statute mile of visibility, and must fly 1,000 feet above the highest cloud, 1,000 feet below the lowest cloud, and 1 statute mile in horizontal distance away from any cloud.
Figure 4 is a sectional chart of the Watertown Regional Airport (ATY) in South Dakota. Notice how the shaded magenta ring appears irregular rather than perfectly round. This design follows the airport’s runway approaches and departure paths. Airspace boundaries often adjust to local factors such as terrain, obstacles, or traffic patterns. As a result, instead of uniform circles, charts often reflect shapes that fit real-world flight operations.

Overhead view of map of airport with circular boundary drawn around it that is open in two places to show where planes land and where they take off.
The dashed magenta line indicates Class E airspace beginning at the surface. Surrounding it is a Class E transition area, shown by the faded or fuzzy magenta shading, which begins 700 feet above ground level (AGL).

The combination of a dashed magenta surface area encircled by a 700-foot transition ring creates a layered structure that loosely mimics the “wedding-cake” shelves of Class C or Class B airspace. The difference is that Class E is less restrictive, providing controlled airspace primarily for instrument approaches. Airports with Class E surface areas typically have a weather reporting station and ATC communication capability from the ground to support IFR operations (Martin, 2023).

How close must you be to an airport for Class E-SFC to apply?

  • There is no fixed distance. It depends on the airspace design around each airport.
  • If there is a magenta dashed circle around the airport, you are in Class E surface area, regardless of distance—it could extend 1 to 5 nautical miles (NM) or more, with each NM = 1.1508 statute miles or 1.852 kilometers.
Summary Table 2: Class E Airspace Authorization Requirements
Class E Type Starts At Authorization Need for Drones?
E-SFC (dashed magenta) Surface Yes
E-700 (shaded magenta) 700 feet AGL No, if staying below 700 feet
E-1200 (outside shaded area) 1,200 feet AGL No, if staying below 1,200 feet

Sectional Charts

Sectional charts are maps that pilots use to navigate the sky. Just as a road map helps drivers find highways, towns, and landmarks, a sectional chart shows airports, airspace boundaries, terrain, and important flight information.

These charts are made by the FAA and used mainly for VFR flying, meaning that pilots are navigating by sight. Drone pilots use them to check airspace classes, altitude limits, and nearby airports before flying.

Each chart covers a large area (about 250 by 250 miles) and includes symbols, colors, and labels that inform pilots where it is safe and legal to fly.

One of the most useful supplement guides to have while working with sectional charts is the FAA Aeronautical Information Services’ Aeronautical Chart Users’ Guide. It serves as a master key or legend companion for all FAA-produced aviation charts. It defines standard chart symbology used to represent a number of features:

  • airspace boundaries (Classes A–G, special-use areas)
  • airports
  • runways
  • control towers
  • lighting
  • navigation aids, e.g., VORs (Very High-Frequency Omni-Directional Range) and NDBs (non-directional beacons)
  • terrain elevations and obstacles
  • communication frequencies
  • latitude and longitude grid markings
  • special-use airspace and restricted areas

Essentially, if you see a symbol, color, or code on a chart and do not know what it means, the Aeronautical Chart Users’ Guide tells you (Federal Aviation Administration, 2023).

The following fact sheet in this series will go into more detail on how to read and use sectional charts for drone operations.

Restrictions and Waivers

FAA Part 107 rules set limits to keep drone operations safe in shared airspace. Remote pilots must follow key restrictions, including flying below 400 feet, keeping the drone within visual line of sight, and avoiding people, vehicles, or airports unless authorized. Controlled airspace (Classes B, C, D, and E-SFC) also requires air traffic control (ATC) authorization before flight.

If a mission requires something outside these limits—night operations, flights over people, or flights beyond visual line of sight (BVLOS)—pilots can request a Part 107 waiver through the FAA’s DroneZone. For airspace access, the LAANC system provides near-real-time authorization to fly in controlled airspace up to 400 feet. Following these processes keep operations legal, responsible, and safe for everyone in the National Airspace System (NAS) (Code of Federal Regulations, 2025).

Summary

Understanding airspace is essential for every drone pilot. Knowing the differences between airspace classes, how to interpret sectional charts, and when FAA authorization or waivers are required helps ensure safe and legal flight operations. The next fact sheet in this series will take a closer look at how to read and apply sectional charts to plan your flights with confidence.

References

Code of Federal Regulations. (2025). Title 14, Part 107—small unmanned aircraft systems. National Archives.
ecfr.gov/current/title-14/chapter-I/subchapter-F/part-107

Cursa. (n.d.). Communicating with air traffic control.
cursa.app/en/page/communicating-with-air-traffic-control

Drone U. (2025). Class E airspace: A comprehensive guide for drone pilots.
thedroneu.com/blog/class-e-airspace/?utm_source=chatgpt.com

Federal Aviation Administration. (2023). Sectional aeronautical chart. United States Department of Transportation.
faa.gov/air_traffic/flight_info/aeronav/productcatalog/vfrcharts/sectional

Martin, S. (2023). Class E airspace, explained. Boldmethod.
boldmethod.com/learn-to-fly/airspace/class-e-airspace

Pilot Institute Airplanes. (2024). Airspace classes made easy in 8 minutes [Video]. YouTube.
youtube.com/watch?v=K7Klkxny_FQ

Pilot Institute. (2024). Airspace classes explained (class A, B, C, D, E, G).
pilotinstitute.com/airspace-explained

VFRMap.com. (n.d.). Hybrid vfr.
vfrmap.com/?type=vfrc&lat=44.914&lon=-97.155&zoom=10&api_key=763xxE1MJHyhr48DlAP2qQ&utm_source=chatgpt.com

Program Area(s): 
Originally posted Nov 17, 2025.
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