N399NC
•Bombardier Challenger 300
CharterUnited States
SAN (San Diego International Airport, San Diego)
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Viewing period:
Compared to: preceding 12 months · May 2024 – May 2025May 2025 – Apr 2026·vs May 2024 – May 2025
Emissions Overview
0.0
Tons CO2 This Month
Below Average0.0× avg for Challenger 300
0.0
Tons CO2 YTD
Below Average0.0× avg for Challenger 300
242.8
CO2 Tons Since 2025
Below Average0.3× avg for Challenger 300
Emissions Intensity0.01t CO₂/nmTypical0.8× avg for Challenger 300
116.7 tons CO2 in selected period
Flight Patterns & Behaviour
Activity broadly consistent with prior period — averaging 2.4t CO₂/month
2.4t
CO₂/month
8.9t
Avg per flight
3
Distinct routes
Highly Concentrated3 routes account for 100% of total emissions
Highest emission route
Orlando → Truckee
13.0t CO₂ total · 0.0064t CO₂/nm
🇺🇸United States·16202 aircraft tracked·Ranked 1st by emissions among 109 countries·0.7× country averageBelow Average
Subject to FAA oversight — no mandatory carbon reporting for private aviation
What's ChangedCompared to prior equivalent period
Emissions
–
Prior data unavailable
Intensity
–
Prior data unavailable
New Routes
3
27t CO₂ combined
Dropped Routes
0
–
Avg per Flight
–
Prior data unavailable
Flight Count
–
Prior data unavailable
Route and airport counts may include data processing artefacts.
Activity Signals
Recent Flights