Will your drone make it back?

Power lines, gusts, low clouds, hawks and crowds, in one risk score.

Start pre-flight check Watch the live demo Fly the 3D simulator
Scroll to see how it works
The problem

The biggest risks are invisible from the ground.

Gusts at 120 ft Cloud base too low Hawk nearby Migrating flock Power line, 40 m People below

Many drones that crash are brought down by something the pilot could not see from the ground: a gust a few hundred feet up, a cloud bank rolling in, a hawk guarding its nest, a power line too thin to show up on a phone screen. Apps like B4UFLY tell you where you are allowed to fly. Nothing told you whether it is safe to fly there right now. So we built KnowFlyZone around the one question every pilot should ask before takeoff: will my drone make it back?

How it works

Ten hazards, checked together, one risk score.

  1. 01Pick a spot and a date
  2. 02Ten hazards checked
  3. 03One risk score, 0 to 100

Weather from Open-Meteo, power lines and buildings from OpenStreetMap, hawk and bird activity from eBird and iNaturalist, with the FAA Part 107 visibility and cloud limits built in.

Live right now

Right now at RPI, Troy: checking

Open the pre-flight check

The device

A small box clipped to the controller.

HIGH RISK RISK 98 KnowFlyZone

It shows the same score as the app on its screen, with a red light for high risk and green for low, and updates every few seconds.

Built with

MongoDB Atlas · Tiger Data · Google Gemini · Fish Audio · Vultr · NVIDIA Jetson

Team

Udaya · Ryan · Shravan · Dhruv