About Carbon Sky Index
Structured intelligence on private aviation activity, built for professionals who need defensible data
Why We Built This
Private aviation activity generates significant emissions data — but that data has historically been fragmented, inaccessible, and difficult to work with. Carbon Sky Index structures that data into time-series analytics, emissions intelligence, and route patterns that professionals can actually use. We believe rigorous, transparent methodology produces better research, better reporting, and better decisions.
What Is Carbon Sky Index?
Carbon Sky Index is a private aviation intelligence platform. We ingest ADS-B flight data, calculate emissions using an ICAO-aligned methodology, and transform raw records into structured analytics — route patterns, emissions trends, frequency data, and operating cost estimates — updated continuously.
Emissions Leaderboard
Rankings of highest-emission aircraft
Aircraft Lookup
Search specific aircraft by registration number
Route Intelligence
Discover the most frequently flown routes
Flight Analytics
In-depth route and trend data for aircraft
Impact So Far
20K+
Aircraft Tracked
1.8M+
Flights in Database
250K+
Routes Analysed
12+
Months of Historical Data
Core Values
Neutrality
We present data without bias, letting the numbers speak for themselves.
Transparency
All our methodology and data sources are openly documented.
Rigour
Our emissions calculations are based on established ICAO methodology, with known limitations openly disclosed.
Accessibility
Core flight and emissions data is freely accessible. Professional tools and deeper history are available to subscribers.