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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 screen 1
Map
B4UFly screen 2
Airspace
B4UFly screen 3
Status
B4UFly screen 4
Location
B4UFly screen 5
Details
B4UFly screen 6
Info
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