N909SF
Cessna Citation SII
United States
SNA (John Wayne Airport-Orange County, Santa Ana)

Add to
Watchlist

Pro

Download
CSV

Soon

Bookmark
Aircraft

Free
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
2.8
Tons CO2 YTD
Below Average0.3× avg for Citation SII
25.1
CO2 Tons Since 2025
Below Average0.4× avg for Citation SII
Emissions Intensity0.01t CO₂/nmBelow Average0.7× avg for Citation SII
14.3 tons CO2 in selected period

2026 pace: On track for approximately 11t CO₂ by year end · ↓ 50% vs full year 2025 (22t)

Flight Patterns & Behaviour

Activity broadly consistent with prior period — averaging 1.2t CO₂/month

1.2t
CO₂/month
1.3t
Avg per flight
8
Distinct routes
Moderately Concentrated3 routes account for 66% of total emissions
Highest emission route
Santa Ana → Salinas
4.6t CO₂ total · 0.0045t CO₂/nm

Seasonal pattern: Historically peaks in October · Current month is 76% below 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
40%
10t → 14t CO₂
Intensity
9%
0.0052 → 0.0047 t CO₂/nm
New Routes
8
14t CO₂ combined
Dropped Routes
5
Prior period only
Avg per Flight
36%
2.0t → 1.3t
Flight Count
6
5 → 11 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

15t

Signals Detected

5

Highest Severity

Medium

Aircraft
Medium
New6 Oct – 19 Oct 2025
Elevated activity period · 4 flights in 13 days vs baseline of 1
Contributed approximately 4t CO₂ to period total — 29% of period emissions
Aircraft
Medium
New2 Dec – 15 Dec 2025
Elevated activity period · 2 flights in 13 days vs baseline of 1
Contributed approximately 2t CO₂ to period total — 16% of period emissions
Aircraft
Medium
New12 Feb – 26 Feb 2026
Elevated activity period · 2 flights in 14 days vs baseline of 1
Contributed approximately 3t CO₂ to period total — 25% of period emissions
Aircraft
Medium
Historical19 Oct – 8 Dec 2025
51-day inactive period
2.2t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical11 Dec 2025 – 18 Feb 2026
69-day inactive period
2.8t CO₂ in the 7 days following resumption
Recent Flights
Mar 25, 20261.7t CO₂
KSNSSalinas
KNYLYuma
484 miles1h 16m
Feb 26, 20260.6t CO₂
KWJFLancaster
KSNSSalinas
232 miles37m
Feb 18, 20262.8t CO₂
KALMAlamogordo
KLGFYuma Proving Ground(Yuma)
488 miles1h 56m
Dec 11, 20250.5t CO₂
KHNDLas Vegas
KLGFYuma Proving Ground(Yuma)
219 miles35m
View Details
Dec 8, 20251.7t CO₂
KHNDLas Vegas
KSNSSalinas
363 miles1h 17m
View Details
Oct 19, 20251.1t CO₂
KSNASanta Ana
KSNSSalinas
295 miles55m
View Details
Oct 19, 20251.4t CO₂
KSNSSalinas
KSNASanta Ana
295 miles1h 6m
View Details
Oct 19, 20251.1t CO₂
KSNASanta Ana
KSNSSalinas
295 miles56m
View Details
Oct 18, 20251.2t CO₂
KSNASanta Ana
KSNSSalinas
295 miles57m
View Details
Oct 16, 20251.2t CO₂
KSNASanta Ana
KSNSSalinas
295 miles1h 0m
View Details
Oct 6, 20250.5t CO₂
KBURBurbank
KTRMPalm Springs
132 miles30m
View Details
Mar 9, 20253.3t CO₂
KGEUGlendale
KCVHHollister
564 miles2h 12m
View Details
Mar 2, 20253.1t CO₂
KAVQMarana
KKICKing City
623 miles2h 7m
View Details
Feb 12, 20250.5t CO₂
KPHXPhoenix
KLGFYuma Proving Ground(Yuma)
144 miles30m
View Details
Jan 23, 20251.7t CO₂
KCWLCalexico
KSNSSalinas
442 miles1h 15m
View Details
Jan 7, 20251.3t CO₂
KSNSSalinas
KCLRCalipatria
422 miles1h 1m
View Details
Top Airports by Emissions
Salinas

Salinas

KSNS

Total CO₂

10.0t

Total Visits

8

Avg CO₂/visit

1.2t

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

Santa Ana

KSNA

Total CO₂

6.0t

Total Visits

5

Avg CO₂/visit

1.2t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Yuma Proving Ground(Yuma)

Yuma Proving Ground(Yuma)

KLGF

Total CO₂

3.4t

Total Visits

2

Avg CO₂/visit

1.7t

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

Alamogordo

KALM

Total CO₂

2.8t

Total Visits

1

Avg CO₂/visit

2.8t

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

Las Vegas

KHND

Total CO₂

2.2t

Total Visits

2

Avg CO₂/visit

1.1t

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

Yuma

KNYL

Total CO₂

1.7t

Total Visits

1

Avg CO₂/visit

1.7t

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

KSNA to KSNS295 miles

Total Flights

4

Avg CO₂/Flight

1.1t

Total Emissions

4.6t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Alamogordo Yuma Proving Ground(Yuma)

KALM to KLGF488 miles

Total Flights

1

Avg CO₂/Flight

2.8t

Total Emissions

2.8t CO₂

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

KHND to KSNS363 miles

Total Flights

1

Avg CO₂/Flight

1.7t

Total Emissions

1.7t CO₂

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

KSNS to KNYL485 miles

Total Flights

1

Avg CO₂/Flight

1.7t

Total Emissions

1.7t CO₂

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

KSNS to KSNA295 miles

Total Flights

1

Avg CO₂/Flight

1.4t

Total Emissions

1.4t CO₂

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

KWJF to KSNS232 miles

Total Flights

1

Avg CO₂/Flight

0.6t

Total Emissions

0.6t CO₂

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