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B4UFly

Before a drone leaves the ground, one question matters: can I fly here? B4UFly, built for the FAA, gives unmanned-aircraft operators a clear answer — instantly checking whether airspace restrictions or requirements are in effect at a chosen flight location.

Airspace checkRestrictions & requirementsLocation-basedXamarin.Forms
CLASS B CLASS C CLASS D YOUR LOCATION
CLEAR TO FLYNo active restrictions
CEILING400 ft AGL
The whole point

A clear answer before you launch

No sectional-chart decoding, no guesswork — just check your spot and know instantly whether the sky is open.

Result · Clear

Good to Fly

No restrictions in effect at this location. Fly responsibly and stay within the rules.

Result · Restricted

Do Not Fly

Airspace restrictions or requirements apply here — authorization is needed before flight.

Airspace, decoded

The airspace, made readable

B4UFly translates the aeronautical chart every pilot has to reckon with into plain, at-a-glance guidance.

Class BBusiest airspace — authorization required.
Class CAround busier airports — check requirements.
Class DTowered airports — restrictions may apply.
Class E / GOften open for drone flight, with rules.
RestrictedProhibited or restricted — do not fly.
TFR / WildfireTemporary flight restrictions in effect.
How it works

Three taps to takeoff

01
📍

Set your location

Drop a pin or use your current position for the spot you plan to fly.

02
🗺️

Check the airspace

B4UFly pulls the airspace, restrictions and requirements for that location.

03
🚁

Fly informed

Get a clear status — and the requirements to meet before you launch.

In the app

Built for the operator

📍

Location check

Assess any location by pin or current position in seconds.

🗺️

Airspace map

See the airspace classes and boundaries around your flight spot.

🚫

Restrictions & requirements

Know exactly what's in effect — and what's required to fly.

🟢

Clear status

A plain go / no-go answer, not a chart you have to interpret.

🏛️

FAA-backed

Developed for the Federal Aviation Administration.

📱

iOS & Android

The same trusted check on every operator's phone.

On the device

B4UFly in the field

Cross-platform on iOS & Android. Click any screen to enlarge.

B4UFly cover
B4UFly
B4UFly map mode with airspace zones
Map mode
B4UFly action required airspace status
Action required
B4UFly nearby airports
Nearby airports
B4UFly planner mode
Planner mode
B4UFly flight planner
Flight planner
Under the hood

Built for the FAA, built to fly

A cross-platform Xamarin.Forms application delivering trustworthy, location-based airspace guidance to unmanned-aircraft operators on iOS and Android.

Xamarin.FormsMappingGeolocationAirspace DataFAAiOS & Android
×enlarged screenshot