Total CO₂ attributed to N431DA across the selected period.
2026 pace: On track for approximately 131.8t CO₂ by year end
Showing last 3 months —
Emissions up 230% vs prior period, driven by Chicago/Prospect Heights/Wheeling → Monterey
CO₂ Above Baseline
31.2t
A single concentrated period drove emissions above this tail’s normalised baseline.
Signals Detected
3
3 deviations flagged across the selected period.
Highest Severity
High
High-severity anomaly detected — review signal details below.
The written analysis behind 3 detected signals — dates, routes and attributed CO₂.
KPWK
Total CO₂
8.8t
Visits
2
Avg/Visit
4.4t
KMRY
Total CO₂
8.2t
Visits
1
Avg/Visit
8.2t
KCMH
Total CO₂
4.1t
Visits
7
Avg/Visit
0.6t
KPWK → KMRY·1,599 nm
Flights
1
Avg/Flight
8.2t
Total
8.2t
KMCO → KDAY·704 nm
Flights
1
Avg/Flight
2.9t
Total
2.9t
KPWA → KTYQ·604 nm
Flights
1
Avg/Flight
2.2t
Total
2.2t
Methodology
CO₂ emissions computed from ADS-B flight data using aircraft-specific fuel-burn factors aligned with EUROCONTROL EMEP/EEA guidance. Distance figures derived from flight-trajectory data. EU ETS scope follows Directive 2003/87/EC as amended. Type rankings computed within the Bombardier Learjet 31 population tracked by Carbon Sky Index.
Disclaimer
This report is based on ADS-B flight data. Carbon Sky Index does not track ownership or registry information. Flight records may be incomplete where ADS-B coverage is limited. For informational purposes only; does not constitute financial, legal, or regulatory advice.
You've seen what N431DA did. TailCheck is our read on it — scored against its 135-aircraft Learjet 31 type fleet, with operational and ETS exposure flagged, in a report you can hand a buyer, seller or financier.
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