N998SR
Cessna Citation SII
United States
OSH (Wittman Regional Airport, Oshkosh)

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Viewing period:
Compared to: preceding 12 months · May 2024 – May 2025
May 2025 – Apr 2026·vs May 2024 – May 2025· Emissions decreasing vs prior period

Emissions Overview

0.0
Tons CO2 This Month
Below Average0.0× avg for Citation SII
0.8
Tons CO2 YTD
Below Average0.1× avg for Citation SII
40.5
CO2 Tons Since 2025
Below Average0.7× avg for Citation SII
Emissions Intensity0.01t CO₂/nmTypical0.8× avg for Citation SII
15.5 tons CO2 in selected period

2026 pace: On track for approximately 2t CO₂ by year end · ↓ 94% vs full year 2025 (40t)

Flight Patterns & Behaviour

Activity broadly consistent with prior period — averaging 1.6t CO₂/month

1.6t
CO₂/month
1.8t
Avg per flight
10
Distinct routes
Moderately Concentrated3 routes account for 59% of total emissions
Highest emission route
Oshkosh → Tulsa
4.4t CO₂ total · 0.0077t 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
24%
24t → 18t CO₂
Intensity
8%
0.0057 → 0.0053 t CO₂/nm
New Routes
10
18t CO₂ combined
Dropped Routes
4
Prior period only
Avg per Flight
69%
5.9t → 1.8t
Flight Count
6
4 → 10 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

18t

Signals Detected

5

Highest Severity

High

Aircraft
High
New18 Jul – 31 Jul 2025
Elevated activity period · 3 flights in 13 days vs baseline of 1
Contributed approximately 6t CO₂ to period total — 33% of period emissions
Aircraft
Medium
New19 Nov – 30 Dec 2025
Elevated activity period · 3 flights in 41 days vs baseline of 2
Contributed approximately 5t CO₂ to period total — 26% of period emissions
Aircraft
Medium
Historical25 Jul – 28 Sept 2025
65-day inactive period
2.9t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical28 Sept – 25 Nov 2025
58-day inactive period
2.5t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical25 Nov – 14 Dec 2025
19-day inactive period
2.2t CO₂ in the 7 days following resumption
Recent Flights
Feb 24, 20263.2t CO₂
KEDEEdenton
KVLAVandalia
719 miles2h 10m
Jan 22, 20260.8t CO₂
KTIXTitusville
KMTHMarathon
262 miles45m
Dec 30, 20250.5t CO₂
KFXEFort Lauderdale
KMTHMarathon
116 miles22m
Dec 20, 20251.7t CO₂
KAUOAuburn
KEDEEdenton
558 miles1h 16m
View Details
Dec 14, 20250.5t CO₂
KRDURaleigh/Durham
KPMZPlymouth
114 miles20m
View Details
Nov 25, 20252.5t CO₂
KBEDBedford
KEDEEdenton
527 miles1h 43m
View Details
Sep 28, 20252.9t CO₂
KCEFChicopee
KILMWilmington
619 miles1h 59m
View Details
Jul 25, 20254.4t CO₂
KOSHOshkosh
KTULTulsa
663 miles2h 51m
View Details
Jul 24, 20250.5t CO₂
KOSHOshkosh
KUESWaukesha
68 miles21m
View Details
Jul 18, 20250.9t CO₂
KCAKAkron
KRDGReading
289 miles49m
View Details
Jan 25, 20251.9t CO₂
KHULHoulton
KCKZPerkasie
546 miles1h 23m
View Details
Jan 25, 202512.6t CO₂
BIRKReykjavik
KHULHoulton
2,124 miles7h 37m
View Details
Jan 24, 20252.6t CO₂
EGPREoligarry
BIRKReykjavik
691 miles1h 49m
View Details
Jan 24, 20256.4t CO₂
LYBEBelgrade
EGAABelfast
1,353 miles3h 58m
View Details
Top Airports by Emissions
Edenton

Edenton

KEDE

Total CO₂

7.4t

Total Visits

3

Avg CO₂/visit

2.5t

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

Oshkosh

KOSH

Total CO₂

4.9t

Total Visits

2

Avg CO₂/visit

2.5t

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

Tulsa

KTUL

Total CO₂

4.4t

Total Visits

1

Avg CO₂/visit

4.4t

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

Vandalia

KVLA

Total CO₂

3.2t

Total Visits

1

Avg CO₂/visit

3.2t

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

Chicopee

KCEF

Total CO₂

2.9t

Total Visits

1

Avg CO₂/visit

2.9t

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

Wilmington

KILM

Total CO₂

2.9t

Total Visits

1

Avg CO₂/visit

2.9t

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Page 1 of 3
Top Routes by Emissions
Oshkosh Tulsa

KOSH to KTUL663 miles

Total Flights

1

Avg CO₂/Flight

4.4t

Total Emissions

4.4t CO₂

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

KEDE to KVLA720 miles

Total Flights

1

Avg CO₂/Flight

3.2t

Total Emissions

3.2t CO₂

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

KCEF to KILM620 miles

Total Flights

1

Avg CO₂/Flight

2.9t

Total Emissions

2.9t CO₂

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

KBED to KEDE527 miles

Total Flights

1

Avg CO₂/Flight

2.5t

Total Emissions

2.5t CO₂

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

KAUO to KEDE558 miles

Total Flights

1

Avg CO₂/Flight

1.7t

Total Emissions

1.7t CO₂

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

KCAK to KRDG289 miles

Total Flights

1

Avg CO₂/Flight

0.9t

Total Emissions

0.9t CO₂

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