N459LC
Bombardier Learjet 45
United States
SUA (Witham Field, Stuart)

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Viewing period:
Compared to: preceding 12 months · Apr 2024 – Apr 2025
Apr 2025 – Mar 2026·vs Apr 2024 – Apr 2025· Emissions stable vs prior period

Emissions Overview

4.6
Tons CO2 This Month
Below Average0.4× avg for Learjet 45
4.6
Tons CO2 YTD
Below Average0.1× avg for Learjet 45
41.9
CO2 Tons Since 2025
Below Average0.2× avg for Learjet 45
Emissions Intensity0.00t CO₂/nmBelow Average0.7× avg for Learjet 45
20.7 tons CO2 in selected period

2026 pace: On track for approximately 18t CO₂ by year end · ↓ 51% vs full year 2025 (37t)

Flight Patterns & Behaviour

Activity broadly consistent with prior period — averaging 1.7t CO₂/month

1.7t
CO₂/month
4.1t
Avg per flight
4
Distinct routes
Highly Concentrated3 routes account for 90% of total emissions
Highest emission route
Stuart → Green Bay
10.1t CO₂ total · 0.0046t CO₂/nm

Seasonal pattern: Historically peaks in March · Current month is 59% below March 2025

🇺🇸United States·16202 aircraft tracked·Ranked 1st by emissions among 109 countries·0.1× country averageBelow Average

Subject to FAA oversight — no mandatory carbon reporting for private aviation

What's ChangedCompared to prior equivalent period
Emissions
3%
20t → 21t CO₂
Intensity
4%
0.0045 → 0.0044 t CO₂/nm
New Routes
2
6t CO₂ combined
Dropped Routes
0
Avg per Flight
18%
5.0t → 4.1t
Flight Count
1
4 → 5 flights

Route and airport counts may include data processing artefacts.

Spikes

Significant deviations from this aircraft's baseline in the selected period.

CO₂ Above Baseline

18t

Signals Detected

5

Highest Severity

Medium

Aircraft
Medium
New10 Apr – 16 Apr 2025
Elevated activity period · 1 flights in 6 days vs baseline of 0
Contributed approximately 5t CO₂ to period total — 24% of period emissions
Aircraft
Medium
New11 Aug – 17 Aug 2025
Elevated activity period · 1 flights in 6 days vs baseline of 0
Contributed approximately 2t CO₂ to period total — 10% of period emissions
Aircraft
Medium
Historical10 Apr – 28 May 2025
48-day inactive period
4.0t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical28 May – 17 Aug 2025
81-day inactive period
2.0t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical17 Aug – 13 Dec 2025
118-day inactive period
5.1t CO₂ in the 7 days following resumption
Recent Flights
Mar 22, 20264.6t CO₂
KGRBGreen Bay
KSUAStuart
1,273 miles2h 40m
Dec 13, 20255.1t CO₂
KSUAStuart
KGRBGreen Bay
1,273 miles2h 56m
Aug 17, 20252.0t CO₂
KROCRochester
KGRBGreen Bay
529 miles1h 19m
May 28, 20254.0t CO₂
KOCFOcala
KGRBGreen Bay
1,106 miles2h 20m
View Details
Apr 10, 20255.0t CO₂
KSUAStuart
KGRBGreen Bay
1,273 miles2h 52m
View Details
Mar 10, 20255.1t CO₂
KSUAStuart
KGRBGreen Bay
1,273 miles2h 54m
View Details
Mar 6, 20255.8t CO₂
KSUAStuart
KGRBGreen Bay
1,273 miles3h 16m
View Details
Jan 10, 20254.8t CO₂
KSUAStuart
KGRBGreen Bay
1,273 miles2h 47m
View Details
Jan 10, 20254.4t CO₂
KGRBGreen Bay
KSUAStuart
1,273 miles2h 35m
View Details
Top Airports by Emissions
Top Routes by Emissions
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