What plane is that?

It has a registration, a model, an altitude and a heading — and right now it is over something specific: a sea, a mountain range, a named region.

Range: View:
cruise, above 10,000 m between 6,000 and 10,000 m below 6,000 m on the ground The shape says what it is: airliner, light aircraft or helicopter.

Between updates each position is estimated from the aircraft's heading and speed. Every 10 seconds the real one is fetched.

Where each figure comes from

Position, registration and type
from adsb.lol, a network of people donating ADS-B receivers. Published under the Open Database License.
What is below the aircraft
from our own data: 1,338 named geographic regions, built from Natural Earth and GeoNames.
The airspace
1,102 control regions. Boundaries are approximate: they come from the VATSIM dataset, not from the official ICAO chart.

And on board, with no signal

This page needs the internet. The app does not: it carries the same maps, airports and regions inside the phone, and tells you what you are flying over in airplane mode, at 11,000 metres, with no bars.

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