N56AY
Cessna Citation CJ4
United States
SCF (Scottsdale Airport, Scottsdale)

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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

9.7
Tons CO2 This Month
Typical1.1× avg for Citation CJ4
39.9
Tons CO2 YTD
Above Average1.6× avg for Citation CJ4
131.1
CO2 Tons Since 2025
Typical1.0× avg for Citation CJ4
Emissions Intensity0.00t CO₂/nmBelow Average0.7× avg for Citation CJ4
98.8 tons CO2 in selected period

2026 pace: On track for approximately 160t CO₂ by year end · ↑ 75% vs full year 2025 (91t)

Flight Patterns & Behaviour

Emissions up 195% vs prior period, driven by Scottsdale → Dubuque

83t
Period total CO₂
2.2t
Avg per flight
38
Flights
Diverse Network3 routes account for 34% of total emissions
Highest emission route
Scottsdale → Dubuque
11.8t CO₂ total · 0.0035t CO₂/nm

Seasonal pattern: Historically peaks in August · Current month is 77% 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
195%
28t → 83t CO₂
Intensity
0.0041 → 0.0041 t CO₂/nm
New Routes
28
57t CO₂ combined
Dropped Routes
5
Prior period only
Avg per Flight
2.2t → 2.2t
Flight Count
25
13 → 38 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

42t

Signals Detected

5

Highest Severity

Medium

Aircraft
Medium
New8 Apr – 22 May 2025
Elevated activity period · 10 flights in 44 days vs baseline of 5
Contributed approximately 22t CO₂ to period total — 27% of period emissions
Aircraft
Medium
New4 Jul – 10 Jul 2025
Elevated activity period · 1 flights in 6 days vs baseline of 1
Contributed approximately 1t CO₂ to period total — 1% of period emissions
Aircraft
Medium
New31 Jul – 21 Aug 2025
Elevated activity period · 6 flights in 21 days vs baseline of 2
Contributed approximately 17t CO₂ to period total — 21% of period emissions
Aircraft
Medium
Historical22 May – 20 Jun 2025
30-day inactive period
0.5t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical20 Jun – 7 Jul 2025
17-day inactive period
1.1t CO₂ in the 7 days following resumption
Recent Flights
Mar 17, 20263.7t CO₂
KVDFLakeland
KDBQDubuque
1,098 miles2h 26m
Feb 24, 20260.5t CO₂
KMKEMilwaukee
KDBQDubuque
147 miles26m
Feb 14, 20264.0t CO₂
KDBQDubuque
KOPFMiami
1,283 miles2h 37m
Feb 10, 20260.5t CO₂
KGSOGreensboro
KTRIBlountville
140 miles32m
View Details
Feb 5, 20260.5t CO₂
KARRChicago/Aurora
KDBQDubuque
123 miles22m
View Details
Feb 4, 20262.8t CO₂
KFTWFort Worth
KARRChicago/Aurora
787 miles1h 57m
View Details
Feb 3, 20263.7t CO₂
KTRIBlountville
KFTWFort Worth
885 miles2h 29m
View Details
Feb 3, 20261.5t CO₂
KARRChicago/Aurora
KTRIBlountville
489 miles1h 10m
View Details
Jan 31, 20264.2t CO₂
KSDLScottsdale
KDBQDubuque
1,298 miles2h 47m
View Details
Jan 21, 20265.9t CO₂
KDFWDallas-Ft Worth
KTRIBlountville
866 miles3h 44m
View Details
Jan 15, 20260.5t CO₂
KDPAChicago/West Chicago
KDBQDubuque
131 miles25m
View Details
Jan 14, 20262.9t CO₂
KDPAChicago/West Chicago
KAUGAugusta
943 miles1h 57m
View Details
Jan 9, 20260.5t CO₂
KDSMDes Moines
KDBQDubuque
163 miles26m
View Details
Dec 26, 20253.1t CO₂
KSDLScottsdale
KDSMDes Moines
1,135 miles2h 7m
View Details
Dec 3, 20250.5t CO₂
KCIDCedar Rapids
KDBQDubuque
63 miles17m
View Details
Oct 29, 20251.4t CO₂
KJWNNashville
KDBQDubuque
476 miles1h 7m
View Details
Oct 17, 20250.5t CO₂
KATWAppleton
KPVBPlatteville
145 miles25m
View Details
Oct 17, 20251.4t CO₂
CYKFBreslau
KATWAppleton
409 miles1h 7m
View Details
Oct 9, 20253.7t CO₂
KSDLScottsdale
KDBQDubuque
1,298 miles2h 28m
View Details
Aug 16, 20256.5t CO₂
KPHXPhoenix
KDBQDubuque
1,309 miles4h 6m
View Details
Aug 15, 20252.3t CO₂
KAPADenver
KPHXPhoenix
580 miles1h 37m
View Details
Aug 14, 20254.3t CO₂
KPHXPhoenix
KDBQDubuque
1,309 miles2h 48m
View Details
Aug 8, 20252.9t CO₂
KPNEPhiladelphia
KDBQDubuque
829 miles1h 59m
View Details
Aug 6, 20250.7t CO₂
KHFYIndianapolis
KDBQDubuque
308 miles41m
View Details
Aug 6, 20250.5t CO₂
KGSOGreensboro
KTRIBlountville
140 miles28m
View Details
Jul 10, 20250.6t CO₂
KFCMMinneapolis
KDBQDubuque
217 miles37m
View Details
Jul 7, 20250.5t CO₂
KFCMMinneapolis
KVWUWaskish
235 miles35m
View Details
Jun 20, 20250.5t CO₂
KATWAppleton
KDBQDubuque
169 miles28m
View Details
May 22, 20252.3t CO₂
KDFWDallas-Ft Worth
KDBQDubuque
741 miles1h 37m
View Details
May 19, 20251.6t CO₂
KAUSAustin
NaN miles1h 13m
View Details
May 8, 20252.5t CO₂
KAPADenver
KDBQDubuque
762 miles1h 43m
View Details
May 5, 20252.3t CO₂
KBJCDenver
KDBQDubuque
767 miles1h 39m
View Details
May 2, 20252.1t CO₂
KAVLAsheville
KDBQDubuque
650 miles1h 29m
View Details
Apr 30, 20252.6t CO₂
KJYOLeesburg
KDBQDubuque
725 miles1h 50m
View Details
Apr 22, 20253.9t CO₂
KSDLScottsdale
KDBQDubuque
1,298 miles2h 34m
View Details
Apr 13, 20252.4t CO₂
KFTYAtlanta
KDBQDubuque
683 miles1h 43m
View Details
Apr 9, 20251.3t CO₂
KMGYDayton
KDBQDubuque
389 miles1h 1m
View Details
Apr 8, 20251.2t CO₂
KMGYDayton
KDBQDubuque
389 miles1h 0m
View Details
Mar 20, 20250.5t CO₂
KATWAppleton
KDBQDubuque
169 miles27m
View Details
Mar 20, 20251.3t CO₂
CYKFBreslau
KATWAppleton
409 miles1h 3m
View Details
Mar 15, 20254.1t CO₂
KSDLScottsdale
KDBQDubuque
1,298 miles2h 40m
View Details
Mar 14, 20256.6t CO₂
KDKBDeKalb
KSDLScottsdale
1,384 miles4h 10m
View Details
Mar 14, 20250.8t CO₂
KMGYDayton
KARRChicago/Aurora
268 miles44m
View Details
Mar 13, 20250.9t CO₂
KARRChicago/Aurora
KMGYDayton
268 miles47m
View Details
Feb 26, 20251.4t CO₂
KAUSAustin
NaN miles1h 7m
View Details
Feb 7, 20253.5t CO₂
KPHXPhoenix
KDBQDubuque
1,309 miles2h 19m
View Details
Feb 7, 20250.9t CO₂
KONTOntario
KPHXPhoenix
325 miles47m
View Details
Feb 1, 20254.1t CO₂
KSDLScottsdale
KDBQDubuque
1,298 miles2h 41m
View Details
Jan 28, 20250.5t CO₂
KATWAppleton
KDBQDubuque
169 miles27m
View Details
Jan 28, 20251.7t CO₂
CYKFBreslau
KATWAppleton
409 miles1h 17m
View Details
Jan 7, 20251.9t CO₂
KDBQDubuque
KMEZMena
574 miles1h 25m
View Details
Top Airports by Emissions
Dubuque

Dubuque

KDBQ

Total CO₂

55.8t

Total Visits

25

Avg CO₂/visit

2.2t

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

Scottsdale

KSDL

Total CO₂

14.9t

Total Visits

4

Avg CO₂/visit

3.7t

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

Phoenix

KPHX

Total CO₂

13.0t

Total Visits

3

Avg CO₂/visit

4.3t

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

Blountville

KTRI

Total CO₂

12.2t

Total Visits

5

Avg CO₂/visit

2.4t

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

Dallas-Ft Worth

KDFW

Total CO₂

8.1t

Total Visits

2

Avg CO₂/visit

4.1t

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

Fort Worth

KFTW

Total CO₂

6.6t

Total Visits

2

Avg CO₂/visit

3.3t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Page 1 of 5
Top Routes by Emissions
Scottsdale Dubuque

KSDL to KDBQ1,299 miles

Total Flights

3

Avg CO₂/Flight

3.9t

Total Emissions

11.8t CO₂

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

KPHX to KDBQ1,310 miles

Total Flights

2

Avg CO₂/Flight

5.4t

Total Emissions

10.8t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Dallas-Ft Worth Blountville

KDFW to KTRI866 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
Dubuque Miami

KDBQ to KOPF1,284 miles

Total Flights

1

Avg CO₂/Flight

4.0t

Total Emissions

4t CO₂

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

KTRI to KFTW886 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
Lakeland Dubuque

KVDF to KDBQ1,099 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
Page 1 of 6