Total CO₂ attributed to N123ED across the selected period.
2026 pace: On track for approximately 296.7t CO₂ by year end
Showing last 3 months —
Emissions up 98% vs prior period, driven by San Jose → St Francis
CO₂ Above Baseline
72.2t
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.
KMRY
Total CO₂
17.7t
Visits
11
Avg/Visit
1.6t
KSJC
Total CO₂
17.7t
Visits
8
Avg/Visit
2.2t
KSYF
Total CO₂
14.5t
Visits
2
Avg/Visit
7.2t
KSJC → KSYF·954 nm
Flights
1
Avg/Flight
7.9t
Total
7.9t
KOAK → KAUS·1,299 nm
Flights
1
Avg/Flight
7.8t
Total
7.8t
KSAT → KCMA·1,086 nm
Flights
1
Avg/Flight
7.1t
Total
7.1t
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 Hawker 750/850 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 N123ED did. TailCheck is our read on it — scored against its 720-aircraft 750/850 type fleet, with operational and ETS exposure flagged, in a report you can hand a buyer, seller or financier.
What the report adds beyond this page
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