N10LY
Cessna Citation SII
Charter
United States
BFI (King County International Airport, Seattle)

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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 Overview

0.0
Tons CO2 This Month
Below Average0.0× avg for Citation SII
8.7
Tons CO2 YTD
Typical0.8× avg for Citation SII
103.7
CO2 Tons Since 2025
Above Average1.7× avg for Citation SII
Emissions Intensity0.01t CO₂/nmTypical0.9× avg for Citation SII
84.6 tons CO2 in selected period

2026 pace: On track for approximately 26t CO₂ by year end · ↓ 73% vs full year 2025 (95t)

Flight Patterns & Behaviour

Activity broadly consistent with prior period — averaging 7.2t CO₂/month

7.2t
CO₂/month
3.4t
Avg per flight
20
Distinct routes
Diverse Network3 routes account for 33% of total emissions
Highest emission route
Arlington → Victoria
9.3t CO₂ total · 0.0061t CO₂/nm
🇺🇸United States·16202 aircraft tracked·Ranked 1st by emissions among 109 countries·0.3× country averageBelow Average

Subject to FAA oversight — no mandatory carbon reporting for private aviation

What's ChangedCompared to prior equivalent period
Emissions
>300%
19t → 79t CO₂
Intensity
7%
0.0050 → 0.0054 t CO₂/nm
New Routes
17
59t CO₂ combined
Dropped Routes
1
Prior period only
Avg per Flight
26%
4.7t → 3.4t
Flight Count
Prior data incomplete

Route and airport counts may include data processing artefacts.

Spikes

Significant deviations from this aircraft's baseline in the selected period.

CO₂ Above Baseline

48t

Signals Detected

5

Highest Severity

Medium

Aircraft
Medium
New14 May – 4 Jun 2025
Elevated activity period · 2 flights in 21 days vs baseline of 2
Contributed approximately 7t CO₂ to period total — 9% of period emissions
Aircraft
Medium
New22 Jun – 7 Jul 2025
Elevated activity period · 2 flights in 15 days vs baseline of 1
Contributed approximately 7t CO₂ to period total — 8% of period emissions
Aircraft
Medium
New23 Jul – 8 Aug 2025
Elevated activity period · 4 flights in 16 days vs baseline of 1
Contributed approximately 20t CO₂ to period total — 25% of period emissions
Aircraft
Medium
Historical14 May – 4 Jun 2025
21-day inactive period
8.1t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical4 Jun – 27 Jun 2025
23-day inactive period
6.6t CO₂ in the 7 days following resumption
Recent Flights
Feb 7, 20263.0t CO₂
KBFISeattle
KSLCSalt Lake City
691 miles2h 1m
Feb 5, 20264.7t CO₂
KSDLScottsdale
CYYJVictoria
1,195 miles2h 59m
Jan 3, 20260.5t CO₂
KFTWFort Worth
KDZBHorseshoe Bay
169 miles35m
Dec 20, 20256.4t CO₂
KBFISeattle
KDZBHorseshoe Bay
1,727 miles4h 1m
View Details
Dec 20, 20250.5t CO₂
CYYJVictoria
KBFISeattle
93 miles20m
View Details
Dec 20, 20253.6t CO₂
KBZNBozeman
CYYJVictoria
608 miles2h 21m
View Details
Dec 13, 20250.5t CO₂
KAUSAustin
KDZBHorseshoe Bay
47 miles13m
View Details
Dec 13, 20255.2t CO₂
KBZNBozeman
KAUSAustin
1,298 miles3h 17m
View Details
Dec 8, 20250.5t CO₂
KFWSFort Worth
KDZBHorseshoe Bay
154 miles31m
View Details
Oct 7, 20250.5t CO₂
KGKYArlington
KDZBHorseshoe Bay
165 miles36m
View Details
Sep 22, 20252.8t CO₂
KBJCDenver
KGKYArlington
670 miles1h 56m
View Details
Aug 8, 20253.9t CO₂
KBFISeattle
KBJCDenver
1,003 miles2h 34m
View Details
Aug 8, 20254.1t CO₂
KBZNBozeman
KBFISeattle
542 miles2h 40m
View Details
Jul 29, 20252.2t CO₂
KBFISeattle
KBZNBozeman
542 miles1h 35m
View Details
Jul 28, 20259.3t CO₂
KGKYArlington
CYYJVictoria
1,751 miles5h 40m
View Details
Jul 7, 20255.2t CO₂
KBZNBozeman
KDZBHorseshoe Bay
1,258 miles3h 18m
View Details
Jul 7, 20254.1t CO₂
KBFISeattle
KBZNBozeman
542 miles2h 40m
View Details
Jun 28, 20251.8t CO₂
KBFISeattle
KBZNBozeman
542 miles1h 21m
View Details
Jun 27, 20254.7t CO₂
KBZNBozeman
KBFISeattle
542 miles3h 2m
View Details
Jun 4, 20253.6t CO₂
KSDLScottsdale
KBZNBozeman
840 miles2h 23m
View Details
Jun 4, 20254.5t CO₂
KDZBHorseshoe Bay
KSDLScottsdale
821 miles2h 54m
View Details
May 14, 20252.9t CO₂
KSDLScottsdale
KDZBHorseshoe Bay
821 miles1h 59m
View Details
May 14, 20254.2t CO₂
KBZNBozeman
KSDLScottsdale
840 miles2h 43m
View Details
Apr 4, 20256.2t CO₂
KBZNBozeman
KDZBHorseshoe Bay
1,258 miles3h 54m
View Details
Apr 4, 20252.4t CO₂
KBFISeattle
KBZNBozeman
542 miles1h 40m
View Details
Feb 6, 20256.7t CO₂
KBFISeattle
KDZBHorseshoe Bay
1,727 miles4h 11m
View Details
Jan 4, 20253.3t CO₂
KBJCDenver
KDZBHorseshoe Bay
751 miles2h 13m
View Details
Top Airports by Emissions
Bozeman

Bozeman

KBZN

Total CO₂

38.8t

Total Visits

10

Avg CO₂/visit

3.9t

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

Seattle

KBFI

Total CO₂

30.9t

Total Visits

9

Avg CO₂/visit

3.4t

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

Horseshoe Bay

KDZB

Total CO₂

21.1t

Total Visits

8

Avg CO₂/visit

2.6t

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

Scottsdale

KSDL

Total CO₂

19.9t

Total Visits

5

Avg CO₂/visit

4.0t

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

Victoria

CYYJ

Total CO₂

18.0t

Total Visits

4

Avg CO₂/visit

4.5t

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

Arlington

KGKY

Total CO₂

12.7t

Total Visits

3

Avg CO₂/visit

4.2t

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

KGKY to CYYJ1,752 miles

Total Flights

1

Avg CO₂/Flight

9.3t

Total Emissions

9.3t CO₂

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

KBZN to KBFI542 miles

Total Flights

2

Avg CO₂/Flight

4.4t

Total Emissions

8.9t CO₂

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

KBFI to KBZN542 miles

Total Flights

3

Avg CO₂/Flight

2.7t

Total Emissions

8.2t CO₂

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

KBFI to KDZB1,728 miles

Total Flights

1

Avg CO₂/Flight

6.4t

Total Emissions

6.4t CO₂

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

KBZN to KDZB1,259 miles

Total Flights

1

Avg CO₂/Flight

5.2t

Total Emissions

5.2t CO₂

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

KBZN to KAUS1,299 miles

Total Flights

1

Avg CO₂/Flight

5.2t

Total Emissions

5.2t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Page 1 of 4