N8707
Cessna Citation CJ4
United States
SUS (Spirit of St Louis Airport, St Louis)

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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

10.0
Tons CO2 This Month
Typical1.1× avg for Citation CJ4
26.8
Tons CO2 YTD
Typical1.0× avg for Citation CJ4
82.1
CO2 Tons Since 2025
Below Average0.6× avg for Citation CJ4
Emissions Intensity0.00t CO₂/nmBelow Average0.7× avg for Citation CJ4
48.9 tons CO2 in selected period

2026 pace: On track for approximately 107t CO₂ by year end · ↑ 94% vs full year 2025 (55t)

Flight Patterns & Behaviour

Activity broadly consistent with prior period — averaging 3.6t CO₂/month

3.6t
CO₂/month
2.7t
Avg per flight
14
Distinct routes
Moderately Concentrated3 routes account for 45% of total emissions
Highest emission route
San Diego → St Louis
9.7t CO₂ total · 0.0036t CO₂/nm

Seasonal pattern: Historically peaks in July · Current month is 48% 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
42%
30t → 43t CO₂
Intensity
8%
0.0042 → 0.0038 t CO₂/nm
New Routes
14
43t CO₂ combined
Dropped Routes
8
Prior period only
Avg per Flight
11%
3.0t → 2.7t
Flight Count
6
10 → 16 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

26t

Signals Detected

5

Highest Severity

Medium

Aircraft
Medium
New26 May – 1 Jun 2025
Elevated activity period · 1 flights in 6 days vs baseline of 0
Contributed approximately 1t CO₂ to period total — 2% of period emissions
Aircraft
Medium
New2 Jul – 10 Aug 2025
Elevated activity period · 5 flights in 39 days vs baseline of 2
Contributed approximately 13t CO₂ to period total — 30% of period emissions
Aircraft
Medium
Historical26 May – 8 Jul 2025
43-day inactive period
8.0t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical8 Jul – 26 Jul 2025
18-day inactive period
3.7t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical26 Jul – 10 Aug 2025
15-day inactive period
1.1t CO₂ in the 7 days following resumption
Recent Flights
Mar 18, 20260.5t CO₂
KLAXLos Angeles
KLGBLong Beach
17 miles18m
Mar 2, 20262.6t CO₂
KSUSSt Louis
KSGRHouston
687 miles1h 48m
Mar 1, 20262.7t CO₂
KTLHTallahassee
KSUSSt Louis
674 miles1h 52m
Mar 1, 20260.8t CO₂
KPGDPunta Gorda
KTLHTallahassee
279 miles46m
View Details
Jan 28, 20264.8t CO₂
KSNASanta Ana
KSUSSt Louis
1,549 miles3h 8m
View Details
Jan 17, 20263.9t CO₂
KABIAbilene
KSNASanta Ana
1,055 miles2h 34m
View Details
Jan 9, 20261.9t CO₂
KABIAbilene
KSUSSt Louis
666 miles1h 24m
View Details
Jan 3, 20264.8t CO₂
KSANSan Diego
KSUSSt Louis
1,538 miles3h 8m
View Details
Dec 23, 20254.8t CO₂
KSANSan Diego
KSUSSt Louis
1,538 miles3h 7m
View Details
Sep 16, 20252.3t CO₂
KLBBLubbock
KSUSSt Louis
711 miles1h 38m
View Details
Aug 10, 20251.1t CO₂
KMDWChicago
KTBNFort Leonard Wood
364 miles55m
View Details
Jul 26, 20253.7t CO₂
KDIJDriggs
KSUSSt Louis
1,115 miles2h 27m
View Details
Jul 8, 20252.2t CO₂
KTLHTallahassee
KSUSSt Louis
673 miles1h 36m
View Details
Jul 8, 20254.3t CO₂
KBJCDenver
KTLHTallahassee
1,339 miles2h 50m
View Details
Jul 8, 20251.4t CO₂
KDIJDriggs
KBJCDenver
406 miles1h 6m
View Details
May 26, 20250.9t CO₂
KORDChicago
KSUSSt Louis
271 miles49m
View Details
Mar 17, 20250.5t CO₂
KSUSSt Louis
KPIAPeoria
147 miles30m
View Details
Mar 16, 20253.7t CO₂
KPGDPunta Gorda
KSUSSt Louis
953 miles2h 26m
View Details
Mar 15, 20251.5t CO₂
KAUOAuburn
KPGDPunta Gorda
444 miles1h 11m
View Details
Mar 7, 20251.7t CO₂
KAUOAuburn
MYBSBimini I
605 miles1h 17m
View Details
Mar 3, 20253.7t CO₂
KPGDPunta Gorda
KSUSSt Louis
953 miles2h 27m
View Details
Feb 15, 20253.9t CO₂
KTEBTeterboro
KTLHTallahassee
923 miles2h 33m
View Details
Feb 15, 20252.7t CO₂
KSUSSt Louis
KTEBTeterboro
892 miles1h 50m
View Details
Feb 13, 20253.7t CO₂
KPGDPunta Gorda
KSUSSt Louis
953 miles2h 28m
View Details
Jan 3, 20253.9t CO₂
KPHXPhoenix
KSUSSt Louis
1,242 miles2h 35m
View Details
Jan 2, 20255.0t CO₂
KSUSSt Louis
KPHXPhoenix
1,242 miles3h 12m
View Details
Top Airports by Emissions
St Louis

St Louis

KSUS

Total CO₂

30.9t

Total Visits

10

Avg CO₂/visit

3.1t

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

Tallahassee

KTLH

Total CO₂

10.1t

Total Visits

4

Avg CO₂/visit

2.5t

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

San Diego

KSAN

Total CO₂

9.7t

Total Visits

2

Avg CO₂/visit

4.8t

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

Santa Ana

KSNA

Total CO₂

8.7t

Total Visits

2

Avg CO₂/visit

4.4t

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

Abilene

KABI

Total CO₂

5.8t

Total Visits

2

Avg CO₂/visit

2.9t

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

Denver

KBJC

Total CO₂

5.7t

Total Visits

2

Avg CO₂/visit

2.9t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Page 1 of 3
Top Routes by Emissions
San Diego St Louis

KSAN to KSUS1,539 miles

Total Flights

2

Avg CO₂/Flight

4.8t

Total Emissions

9.7t CO₂

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

KTLH to KSUS674 miles

Total Flights

2

Avg CO₂/Flight

2.5t

Total Emissions

4.9t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Santa Ana St Louis

KSNA to KSUS1,550 miles

Total Flights

1

Avg CO₂/Flight

4.8t

Total Emissions

4.8t CO₂

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

KBJC to KTLH1,340 miles

Total Flights

1

Avg CO₂/Flight

4.3t

Total Emissions

4.3t CO₂

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

KABI to KSNA1,055 miles

Total Flights

1

Avg CO₂/Flight

3.9t

Total Emissions

3.9t CO₂

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

KDIJ to KSUS1,116 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 3