Learn about the aircraft overhead.
Short explanations for the questions that come up when a plane goes over the house. The display names that aircraft. These pages say what the words mean.
What are planes overhead?
The repeating path over a house, the height you can hear, and the blank stretch of map over the sea.
Where does a flight route come from?
Position is measured. The city pair is looked up, and that lookup is where destinations go stale.
How to start plane spotting in the UK
A public spot, the runway into wind, and a notebook. Regional fields first.
What is an AvGeek?
The word aviation people use for themselves, and why it is wider than plane spotting.
What does squawk 7700 mean?
7700 is the general emergency. 7600 is radio failure. 7500 is unlawful interference.
How aircraft tracking works
Planes announce where they are. People on the ground pass it on. FlightAbove shows the ones over your house.