N813JD
Cessna Citation SII
United States
YKM (Yakima Air Terminal Airport, Yakima)

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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

3.8
Tons CO2 This Month
Typical0.9× avg for Citation SII
5.8
Tons CO2 YTD
Below Average0.5× avg for Citation SII
50.3
CO2 Tons Since 2025
Typical0.8× avg for Citation SII
Emissions Intensity0.01t CO₂/nmBelow Average0.7× avg for Citation SII
30.2 tons CO2 in selected period

2026 pace: On track for approximately 23t CO₂ by year end · ↓ 48% vs full year 2025 (45t)

Flight Patterns & Behaviour

Emissions up 63% vs prior period, driven by Hawthorne → Yakima

28t
Period total CO₂
1.9t
Avg per flight
15
Flights
Moderately Concentrated3 routes account for 67% of total emissions
Highest emission route
Hawthorne → Yakima
10.5t CO₂ total · 0.0046t CO₂/nm

Seasonal pattern: Historically peaks in January · Current month is 743% above March 2025

🇺🇸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
63%
17t → 28t CO₂
Intensity
4%
0.0047 → 0.0046 t CO₂/nm
New Routes
9
18t CO₂ combined
Dropped Routes
7
Prior period only
Avg per Flight
2%
1.9t → 1.9t
Flight Count
6
9 → 15 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

24t

Signals Detected

5

Highest Severity

High

Aircraft
Medium
New14 Apr – 20 Apr 2025
Elevated activity period · 2 flights in 6 days vs baseline of 0
Contributed approximately 7t CO₂ to period total — 23% of period emissions
Aircraft
Medium
New17 May – 30 May 2025
Elevated activity period · 4 flights in 13 days vs baseline of 1
Contributed approximately 2t CO₂ to period total — 7% of period emissions
Aircraft
High
New5 Aug – 30 Sept 2025
Elevated activity period · 5 flights in 56 days vs baseline of 2
Contributed approximately 13t CO₂ to period total — 46% of period emissions
Aircraft
Medium
Historical15 Apr – 23 May 2025
38-day inactive period
2.0t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical26 May – 11 Aug 2025
76-day inactive period
0.5t CO₂ in the 7 days following resumption
Recent Flights
Mar 28, 20260.5t CO₂
KSEESan Diego/El Cajon
KMYFSan Diego
10 miles9m
Mar 28, 20263.7t CO₂
KYKMYakima
KMYFSan Diego
966 miles2h 26m
Feb 4, 20262.0t CO₂
KSMFSacramento
KYKMYakima
546 miles1h 27m
Sep 30, 20250.5t CO₂
KBFISeattle
KYKMYakima
106 miles22m
View Details
Sep 15, 20253.8t CO₂
KHHRHawthorne
KYKMYakima
881 miles2h 28m
View Details
Sep 7, 20253.5t CO₂
KHHRHawthorne
KYKMYakima
881 miles2h 20m
View Details
Aug 27, 20254.7t CO₂
KYKMYakima
KOMAOmaha
1,272 miles2h 59m
View Details
Aug 23, 20250.5t CO₂
KYKMYakima
KTIWTacoma
107 miles23m
View Details
Aug 11, 20250.5t CO₂
KBFISeattle
KYKMYakima
106 miles26m
View Details
May 26, 20250.5t CO₂
KGEGSpokane
KYKMYakima
159 miles32m
View Details
May 24, 20250.5t CO₂
KBFISeattle
KYKMYakima
106 miles25m
View Details
May 24, 20250.5t CO₂
KYKMYakima
KBFISeattle
106 miles28m
View Details
May 23, 20250.5t CO₂
KGEGSpokane
KYKMYakima
159 miles31m
View Details
Apr 15, 20253.2t CO₂
KHHRHawthorne
KYKMYakima
881 miles2h 8m
View Details
Apr 14, 20253.3t CO₂
KPDXPortland
KHHRHawthorne
836 miles2h 13m
View Details
Mar 3, 20250.5t CO₂
KPDXPortland
KYKMYakima
119 miles24m
View Details
Feb 6, 20250.5t CO₂
KPDXPortland
KYKMYakima
119 miles29m
View Details
Feb 5, 20250.8t CO₂
KYKMYakima
KPDXPortland
119 miles43m
View Details
Feb 3, 20253.8t CO₂
KSNASanta Ana
KYKMYakima
901 miles2h 28m
View Details
Jan 20, 20250.5t CO₂
KJSY
KYKMYakima
179 miles36m
View Details
Jan 20, 20251.0t CO₂
KYKMYakima
KSUNHailey
371 miles53m
View Details
Jan 9, 20254.1t CO₂
KHHRHawthorne
KYKMYakima
881 miles2h 39m
View Details
Jan 3, 20253.6t CO₂
KHVEHanksville
KYKMYakima
753 miles2h 21m
View Details
Jan 3, 20252.6t CO₂
KYKMYakima
KHVEHanksville
753 miles1h 46m
View Details
Top Airports by Emissions
Yakima

Yakima

KYKM

Total CO₂

24.4t

Total Visits

13

Avg CO₂/visit

1.9t

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

Hawthorne

KHHR

Total CO₂

13.8t

Total Visits

4

Avg CO₂/visit

3.4t

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

Omaha

KOMA

Total CO₂

4.7t

Total Visits

1

Avg CO₂/visit

4.7t

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

San Diego

KMYF

Total CO₂

4.2t

Total Visits

2

Avg CO₂/visit

2.1t

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

Portland

KPDX

Total CO₂

3.3t

Total Visits

1

Avg CO₂/visit

3.3t

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

Seattle

KBFI

Total CO₂

2.0t

Total Visits

4

Avg CO₂/visit

0.5t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Page 1 of 2
Top Routes by Emissions
Hawthorne Yakima

KHHR to KYKM881 miles

Total Flights

3

Avg CO₂/Flight

3.5t

Total Emissions

10.5t CO₂

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

KYKM to KOMA1,273 miles

Total Flights

1

Avg CO₂/Flight

4.7t

Total Emissions

4.7t CO₂

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

KYKM to KMYF967 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
Portland Hawthorne

KPDX to KHHR837 miles

Total Flights

1

Avg CO₂/Flight

3.3t

Total Emissions

3.3t CO₂

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

KSMF to KYKM547 miles

Total Flights

1

Avg CO₂/Flight

2.0t

Total Emissions

2t CO₂

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

KBFI to KYKM107 miles

Total Flights

3

Avg CO₂/Flight

0.5t

Total Emissions

1.5t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Page 1 of 2