N500ZB
Cessna Citation SII
United States
KPEF (Peterson Air Force Base, Colorado Springs)

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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

0.0
Tons CO2 This Month
Below Average0.0× avg for Citation SII
0.0
Tons CO2 YTD
Below Average0.0× avg for Citation SII
28.7
CO2 Tons Since 2025
Below Average0.5× avg for Citation SII
Emissions Intensity0.01t CO₂/nmBelow Average0.6× avg for Citation SII
19.9 tons CO2 in selected period

Flight Patterns & Behaviour

Emissions up 137% vs prior period, driven by Colorado Springs → Cahokia/St Louis

19t
Period total CO₂
2.6t
Avg per flight
7
Flights
Highly Concentrated3 routes account for 70% of total emissions
Highest emission route
Colorado Springs → Cahokia/St Louis
6.1t CO₂ total · 0.0045t CO₂/nm
🇺🇸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
137%
8t → 19t CO₂
Intensity
14%
0.0048 → 0.0055 t CO₂/nm
New Routes
5
12t CO₂ combined
Dropped Routes
2
Prior period only
Avg per Flight
2%
2.6t → 2.6t
Flight Count
4
3 → 7 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

25t

Signals Detected

5

Highest Severity

High

Aircraft
Medium
New2 Apr – 8 Apr 2025
Elevated activity period · 2 flights in 6 days vs baseline of 0
Contributed approximately 5t CO₂ to period total — 25% of period emissions
Aircraft
High
New19 Sept – 9 Oct 2025
Elevated activity period · 3 flights in 20 days vs baseline of 1
Contributed approximately 8t CO₂ to period total — 46% of period emissions
Aircraft
Medium
Historical3 Apr – 25 Sept 2025
175-day inactive period
4.4t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical8 Oct – 18 Nov 2025
41-day inactive period
5.3t CO₂ in the 7 days following resumption
Avg Emissions
Medium
New18 Nov 2025 · Colorado Springs → Colorado Springs
1 flight recorded with anomalous emissions intensity
2.6t CO₂ total — 14% of period emissions
Recent Flights
Nov 20, 20252.7t CO₂
KPEFColorado Springs
KCPSCahokia/St Louis
785 miles1h 51m
Nov 18, 20252.6t CO₂
KPEFColorado Springs
KCOSColorado Springs
2 miles1h 49m
Oct 8, 20254.1t CO₂
KTEBTeterboro
KCPSCahokia/St Louis
868 miles2h 41m
Sep 29, 20251.0t CO₂
KTEBTeterboro
KBEDBedford
182 miles50m
View Details
Sep 25, 20253.4t CO₂
KPEFColorado Springs
KCPSCahokia/St Louis
785 miles2h 15m
View Details
Apr 3, 20252.7t CO₂
KCOSColorado Springs
KTPLTemple
670 miles1h 52m
View Details
Apr 2, 20251.9t CO₂
KPHXPhoenix
KCOSColorado Springs
550 miles1h 25m
View Details
Mar 30, 20252.8t CO₂
KPEFColorado Springs
KPHXPhoenix
549 miles1h 54m
View Details
Mar 13, 20252.9t CO₂
KPEFColorado Springs
KCPSCahokia/St Louis
785 miles1h 58m
View Details
Mar 10, 20252.1t CO₂
KDYSAbilene
KPEFColorado Springs
519 miles1h 31m
View Details
Top Airports by Emissions
Cahokia/St Louis

Cahokia/St Louis

KCPS

Total CO₂

10.2t

Total Visits

3

Avg CO₂/visit

3.4t

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

Colorado Springs

KPEF

Total CO₂

8.7t

Total Visits

3

Avg CO₂/visit

2.9t

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

Colorado Springs

KCOS

Total CO₂

7.3t

Total Visits

3

Avg CO₂/visit

2.4t

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

Teterboro

KTEB

Total CO₂

5.1t

Total Visits

2

Avg CO₂/visit

2.5t

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

Temple

KTPL

Total CO₂

2.7t

Total Visits

1

Avg CO₂/visit

2.7t

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

Phoenix

KPHX

Total CO₂

1.9t

Total Visits

1

Avg CO₂/visit

1.9t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Page 1 of 2
Top Routes by Emissions
Colorado Springs Cahokia/St Louis

KPEF to KCPS785 miles

Total Flights

2

Avg CO₂/Flight

3.0t

Total Emissions

6.1t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Teterboro Cahokia/St Louis

KTEB to KCPS869 miles

Total Flights

1

Avg CO₂/Flight

4.1t

Total Emissions

4.1t CO₂

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

KCOS to KTPL670 miles

Total Flights

1

Avg CO₂/Flight

2.7t

Total Emissions

2.7t CO₂

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

KPEF to KCOS2 miles

Total Flights

1

Avg CO₂/Flight

2.6t

Total Emissions

2.6t CO₂

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

KPHX to KCOS551 miles

Total Flights

1

Avg CO₂/Flight

1.9t

Total Emissions

1.9t CO₂

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

KTEB to KBED182 miles

Total Flights

1

Avg CO₂/Flight

1.0t

Total Emissions

1t CO₂

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