N501KT
Bombardier Learjet 45
Charter
United States
FSD (Joe Foss Field, Sioux Falls)

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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

3.1
Tons CO2 This Month
Below Average0.3× avg for Learjet 45
38.9
Tons CO2 YTD
Typical1.1× avg for Learjet 45
157.4
CO2 Tons Since 2025
Below Average0.7× avg for Learjet 45
Emissions Intensity0.00t CO₂/nmTypical0.8× avg for Learjet 45
101.2 tons CO2 in selected period

2026 pace: On track for approximately 156t CO₂ by year end · ↑ 31% vs full year 2025 (119t)

Flight Patterns & Behaviour

Emissions up 80% vs prior period, driven by Scottsdale → Sioux Falls

90t
Period total CO₂
2.7t
Avg per flight
33
Flights
Diverse Network3 routes account for 28% of total emissions
Highest emission route
Scottsdale → Sioux Falls
10.9t CO₂ total · 0.0039t CO₂/nm

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

🇺🇸United States·16202 aircraft tracked·Ranked 1st by emissions among 109 countries·0.4× country averageBelow Average

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

What's ChangedCompared to prior equivalent period
Emissions
80%
50t → 90t CO₂
Intensity
2%
0.0044 → 0.0044 t CO₂/nm
New Routes
25
90t CO₂ combined
Dropped Routes
13
Prior period only
Avg per Flight
18%
3.3t → 2.7t
Flight Count
18
15 → 33 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

58t

Signals Detected

5

Highest Severity

High

Aircraft
High
New3 Apr – 7 May 2025
Elevated activity period · 13 flights in 34 days vs baseline of 3
Contributed approximately 36t CO₂ to period total — 40% of period emissions
Aircraft
Medium
New26 Jul – 1 Aug 2025
Elevated activity period · 2 flights in 6 days vs baseline of 1
Contributed approximately 4t CO₂ to period total — 5% of period emissions
Aircraft
Medium
New16 Aug – 22 Aug 2025
Elevated activity period · 3 flights in 6 days vs baseline of 1
Contributed approximately 4t CO₂ to period total — 5% of period emissions
Aircraft
Medium
Historical1 May – 20 Jun 2025
50-day inactive period
6.5t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical20 Jun – 26 Jul 2025
36-day inactive period
7.4t CO₂ in the 7 days following resumption
Recent Flights
Mar 24, 20263.1t CO₂
KIAHHouston
KCHSCharleston
922 miles1h 53m
Jan 22, 20261.3t CO₂
KAGCPittsburgh
KGRRGrand Rapids
338 miles58m
Jan 19, 20261.7t CO₂
KFSDSioux Falls
KGRRGrand Rapids
566 miles1h 10m
Jan 18, 20263.8t CO₂
KSDLScottsdale
KFSDSioux Falls
1,066 miles2h 14m
View Details
Jan 14, 20263.4t CO₂
KADSDallas
KSDLScottsdale
870 miles2h 4m
View Details
Jan 14, 20262.3t CO₂
KFSDSioux Falls
KADSDallas
733 miles1h 29m
View Details
Jan 13, 20262.1t CO₂
KADSDallas
KFSDSioux Falls
733 miles1h 22m
View Details
Jan 13, 20262.6t CO₂
KFSDSioux Falls
KADSDallas
733 miles1h 37m
View Details
Jan 10, 20263.9t CO₂
KSDLScottsdale
KFSDSioux Falls
1,066 miles2h 18m
View Details
Jan 2, 20263.1t CO₂
KLZULawrenceville
KGRRGrand Rapids
621 miles1h 53m
View Details
Jan 1, 20260.6t CO₂
KRSWFt Myers
KAPFNaples
27 miles7m
View Details
Jan 1, 20266.5t CO₂
KSDLScottsdale
KRSWFt Myers
1,859 miles3h 39m
View Details
Aug 23, 20251.6t CO₂
KFSDSioux Falls
KGRRGrand Rapids
566 miles1h 7m
View Details
Aug 22, 20250.6t CO₂
KPPOLa Porte
KGRRGrand Rapids
110 miles22m
View Details
Aug 22, 20251.7t CO₂
KFSDSioux Falls
KVPZValparaiso
516 miles1h 10m
View Details
Aug 22, 20251.9t CO₂
KCOSColorado Springs
KFSDSioux Falls
528 miles1h 16m
View Details
Aug 1, 20251.7t CO₂
KFSDSioux Falls
KGRRGrand Rapids
566 miles1h 11m
View Details
Aug 1, 20252.7t CO₂
KDALDallas
KFSDSioux Falls
741 miles1h 40m
View Details
Jul 26, 20253.0t CO₂
KFSDSioux Falls
KDALDallas
741 miles1h 50m
View Details
Jun 20, 20256.5t CO₂
KGTUGeorgetown
KGRRGrand Rapids
1,075 miles3h 38m
View Details
May 1, 20258.1t CO₂
KGYRGoodyear
KGRRGrand Rapids
1,588 miles4h 29m
View Details
May 1, 20252.2t CO₂
KAPADenver
KGYRGoodyear
595 miles1h 26m
View Details
Apr 27, 20250.6t CO₂
KPPOLa Porte
KGRRGrand Rapids
110 miles21m
View Details
Apr 27, 20255.8t CO₂
KYKMYakima
KVPZValparaiso
1,689 miles3h 19m
View Details
Apr 18, 20251.6t CO₂
KFSDSioux Falls
KGRRGrand Rapids
566 miles1h 6m
View Details
Apr 18, 20253.2t CO₂
KSDLScottsdale
KFSDSioux Falls
1,066 miles1h 57m
View Details
Apr 15, 20254.4t CO₂
KFSDSioux Falls
KSDLScottsdale
1,066 miles2h 33m
View Details
Apr 10, 20253.6t CO₂
KSDLScottsdale
KLRJLe Mars
1,059 miles2h 7m
View Details
Apr 5, 20250.6t CO₂
KPHNPort Huron
KGRRGrand Rapids
152 miles24m
View Details
Apr 5, 20250.6t CO₂
CYFDBrantford
KPHNPort Huron
111 miles30m
View Details
Apr 5, 20254.1t CO₂
KPIESt Petersburg-Clearwater
CYHMHamilton
1,065 miles2h 23m
View Details
Apr 3, 20250.6t CO₂
KPHNPort Huron
KGRRGrand Rapids
152 miles26m
View Details
Apr 3, 20250.6t CO₂
CYKFBreslau
KPHNPort Huron
114 miles25m
View Details
Mar 20, 20255.2t CO₂
KSDLScottsdale
KGRRGrand Rapids
1,558 miles2h 60m
View Details
Mar 17, 20255.3t CO₂
KSDLScottsdale
KGRRGrand Rapids
1,558 miles3h 2m
View Details
Mar 16, 20251.4t CO₂
KBNANashville
KGRRGrand Rapids
471 miles1h 2m
View Details
Mar 11, 20255.0t CO₂
KPVWPlainview
KGRRGrand Rapids
1,058 miles2h 53m
View Details
Mar 7, 20252.3t CO₂
KEOENewberry
KGRRGrand Rapids
628 miles1h 27m
View Details
Mar 7, 20252.2t CO₂
KPTKPontiac
KHXDHilton Head Island
736 miles1h 27m
View Details
Mar 7, 20250.6t CO₂
KGRRGrand Rapids
KPTKPontiac
108 miles29m
View Details
Feb 23, 20254.2t CO₂
KGRRGrand Rapids
KAPFNaples
1,175 miles2h 29m
View Details
Feb 23, 20257.1t CO₂
KSDLScottsdale
KGRRGrand Rapids
1,558 miles3h 56m
View Details
Feb 20, 20258.1t CO₂
KGRRGrand Rapids
KSDLScottsdale
1,558 miles4h 30m
View Details
Jan 31, 20251.1t CO₂
KMQYSmyrna
KGYYGary
390 miles52m
View Details
Jan 31, 20250.6t CO₂
KLEXLexington
KMQYSmyrna
175 miles35m
View Details
Jan 31, 20251.4t CO₂
KGRRGrand Rapids
KLEXLexington
338 miles1h 1m
View Details
Jan 15, 20251.8t CO₂
KAGZWagner
KGRRGrand Rapids
644 miles1h 13m
View Details
Jan 15, 20253.4t CO₂
KSDLScottsdale
KAGZWagner
982 miles2h 4m
View Details
Top Airports by Emissions
Sioux Falls

Sioux Falls

KFSD

Total CO₂

38.2t

Total Visits

15

Avg CO₂/visit

2.5t

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

Scottsdale

KSDL

Total CO₂

28.8t

Total Visits

7

Avg CO₂/visit

4.1t

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

Grand Rapids

KGRR

Total CO₂

28.0t

Total Visits

12

Avg CO₂/visit

2.3t

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

Dallas

KADS

Total CO₂

10.4t

Total Visits

4

Avg CO₂/visit

2.6t

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

Goodyear

KGYR

Total CO₂

10.4t

Total Visits

2

Avg CO₂/visit

5.2t

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

Valparaiso

KVPZ

Total CO₂

7.6t

Total Visits

2

Avg CO₂/visit

3.8t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Page 1 of 4
Top Routes by Emissions
Scottsdale Sioux Falls

KSDL to KFSD1,067 miles

Total Flights

3

Avg CO₂/Flight

3.6t

Total Emissions

10.9t CO₂

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

KGYR to KGRR1,589 miles

Total Flights

1

Avg CO₂/Flight

8.1t

Total Emissions

8.1t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Sioux Falls Grand Rapids

KFSD to KGRR566 miles

Total Flights

4

Avg CO₂/Flight

1.7t

Total Emissions

6.6t CO₂

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

KSDL to KRSW1,861 miles

Total Flights

1

Avg CO₂/Flight

6.5t

Total Emissions

6.5t CO₂

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

KGTU to KGRR1,076 miles

Total Flights

1

Avg CO₂/Flight

6.5t

Total Emissions

6.5t CO₂

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

KYKM to KVPZ1,690 miles

Total Flights

1

Avg CO₂/Flight

5.8t

Total Emissions

5.8t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Page 1 of 5