N45LX
Bombardier Learjet 45
United States
CGN (Cologne Bonn Airport, Cologne-Bonn)

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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 increasing vs prior period

Emissions Overview

2.7
Tons CO2 This Month
Below Average0.2× avg for Learjet 45
4.2
Tons CO2 YTD
Below Average0.1× avg for Learjet 45
74.7
CO2 Tons Since 2025
Below Average0.4× avg for Learjet 45
Emissions Intensity0.01t CO₂/nmTypical0.8× avg for Learjet 45
52.8 tons CO2 in selected period

2026 pace: On track for approximately 17t CO₂ by year end · ↓ 76% vs full year 2025 (71t)

Flight Patterns & Behaviour

Emissions up 138% vs prior period, driven by UNK → Milan

49t
Period total CO₂
3.5t
Avg per flight
14
Flights
Moderately Concentrated3 routes account for 66% of total emissions
Highest emission route
UNK → Milan
13.8t CO₂ total

Seasonal pattern: Historically peaks in March · Current month is 88% below March 2025

🇺🇸United States·16202 aircraft tracked·Ranked 1st by emissions among 109 countries·0.2× country averageBelow Average

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

What's ChangedCompared to prior equivalent period
Emissions
138%
21t → 49t CO₂
Intensity
33%
0.0095 → 0.0063 t CO₂/nm
New Routes
9
32t CO₂ combined
Dropped Routes
2
Prior period only
Avg per Flight
32%
5.2t → 3.5t
Flight Count
10
4 → 14 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

38t

Signals Detected

5

Highest Severity

Medium

Emissions
Medium
New9 Dec 2025 · Unknown route
Highest single-flight emission event
Single flight: 13.8t CO₂ — 28% of period emissions
Aircraft
Medium
New1 Apr – 7 Apr 2025
Elevated activity period · 1 flights in 6 days vs baseline of 0
Contributed approximately 7t CO₂ to period total — 13% of period emissions
Aircraft
Medium
New2 May – 22 May 2025
Elevated activity period · 3 flights in 20 days vs baseline of 1
Contributed approximately 11t CO₂ to period total — 23% of period emissions
Aircraft
Medium
Historical1 Apr – 8 May 2025
37-day inactive period
5.2t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical21 May – 20 Jun 2025
30-day inactive period
1.2t CO₂ in the 7 days following resumption
Recent Flights
Mar 17, 20261.2t CO₂
LOWWVienna
LIMLMilan
390 miles54m
Mar 3, 20260.9t CO₂
LIMLMilan
LIRMCaserta
388 miles45m
Jan 13, 20261.5t CO₂
LEBLBarcelona
LIMLMilan
461 miles1h 3m
Dec 9, 202513.8t CO₂
LIMCMilan
NaN miles7h 26m
View Details
Dec 9, 20251.8t CO₂
KCEFChicopee
NaN miles1h 14m
View Details
Nov 30, 20252.3t CO₂
KLRDLaredo
KICTWichita
708 miles1h 29m
View Details
Nov 26, 20251.5t CO₂
NaN miles1h 3m
View Details
Nov 25, 20255.9t CO₂
KORHWorcester
KLCHLake Charles
1,448 miles3h 22m
View Details
Oct 27, 20251.2t CO₂
EDDKCologne-Bonn
LIMCMilan
370 miles55m
View Details
Jun 20, 20251.2t CO₂
EDDKCologne-Bonn
LIMCMilan
370 miles55m
View Details
May 21, 20256.2t CO₂
BIKFKeflavik
LIMCMilan
1,744 miles3h 30m
View Details
May 13, 20253.7t CO₂
KIADWashington
KFLLFt Lauderdale
903 miles2h 13m
View Details
May 8, 20251.5t CO₂
LEBLBarcelona
LIMCMilan
447 miles1h 2m
View Details
Apr 1, 20256.6t CO₂
BIKFKeflavik
LIMCMilan
1,744 miles3h 41m
View Details
Mar 31, 20257.8t CO₂
BIKFKeflavik
NaN miles4h 18m
View Details
Mar 31, 20254.8t CO₂
KFLLFt Lauderdale
KCEFChicopee
1,194 miles2h 45m
View Details
Mar 17, 20253.7t CO₂
EDDKCologne-Bonn
NaN miles2h 11m
View Details
Jan 2, 20254.6t CO₂
KOPFMiami
TAPASt Johns
1,331 miles2h 38m
View Details
Top Airports by Emissions
Milan

Milan

LIMC

Total CO₂

30.5t

Total Visits

6

Avg CO₂/visit

5.1t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Keflavik

Keflavik

BIKF

Total CO₂

12.8t

Total Visits

2

Avg CO₂/visit

6.4t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Worcester

Worcester

KORH

Total CO₂

5.9t

Total Visits

1

Avg CO₂/visit

5.9t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Lake Charles

Lake Charles

KLCH

Total CO₂

5.9t

Total Visits

1

Avg CO₂/visit

5.9t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Washington

Washington

KIAD

Total CO₂

3.7t

Total Visits

1

Avg CO₂/visit

3.7t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Ft Lauderdale

Ft Lauderdale

KFLL

Total CO₂

3.7t

Total Visits

1

Avg CO₂/visit

3.7t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
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Top Routes by Emissions
Keflavik Milan

BIKF to LIMC1,745 miles

Total Flights

2

Avg CO₂/Flight

6.4t

Total Emissions

12.8t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Worcester Lake Charles

KORH to KLCH1,449 miles

Total Flights

1

Avg CO₂/Flight

5.9t

Total Emissions

5.9t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Washington Ft Lauderdale

KIAD to KFLL903 miles

Total Flights

1

Avg CO₂/Flight

3.7t

Total Emissions

3.7t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Cologne-Bonn Milan

EDDK to LIMC370 miles

Total Flights

2

Avg CO₂/Flight

1.2t

Total Emissions

2.5t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Laredo Wichita

KLRD to KICT708 miles

Total Flights

1

Avg CO₂/Flight

2.3t

Total Emissions

2.3t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Barcelona Milan

LEBL to LIML462 miles

Total Flights

1

Avg CO₂/Flight

1.5t

Total Emissions

1.5t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
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