N321AJ
Dassault Falcon 900
United States
SJC (Norman Y. Mineta San Jose International Airport, San Jose)

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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 Falcon 900
0.0
Tons CO2 YTD
Below Average0.0× avg for Falcon 900
23.6
CO2 Tons Since 2025
Below Average0.1× avg for Falcon 900
Emissions Intensity0.01t CO₂/nmBelow Average0.4× avg for Falcon 900
11.8 tons CO2 in selected period

Flight Patterns & Behaviour

Emissions up 81% vs prior period, driven by Santa Ana → Bryant

17t
Period total CO₂
4.2t
Avg per flight
4
Flights
Highly Concentrated3 routes account for 95% of total emissions
Highest emission route
Santa Ana → Bryant
6.9t CO₂ total · 0.0055t 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
81%
9t → 17t CO₂
Intensity
5%
0.0063 → 0.0060 t CO₂/nm
New Routes
4
17t CO₂ combined
Dropped Routes
3
Prior period only
Avg per Flight
81%
2.3t → 4.2t
Flight Count
4 → 4 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

21t

Signals Detected

5

Highest Severity

High

Emissions
High
New21 Dec 2025 · Santa Ana → Bryant
Highest single-flight emission event (Santa Ana → Bryant)
Single flight: 6.9t CO₂ — 41% of period emissions
Aircraft
Medium
New20 Nov – 21 Dec 2025
Elevated activity period · 2 flights in 31 days vs baseline of 1
Contributed approximately 4t CO₂ to period total — 24% of period emissions
Aircraft
Medium
Historical20 Nov – 9 Dec 2025
19-day inactive period
3.2t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical21 Dec 2025 – 26 Mar 2026
95-day inactive period
6.0t CO₂ in the 7 days following resumption
Avg Emissions
Medium
New20 Nov 2025 · Fort Worth → KDTO
1 flight recorded with anomalous emissions intensity
0.9t CO₂ total — 5% of period emissions
Recent Flights
Mar 26, 20266.0t CO₂
KDTO
KHNDLas Vegas
1,036 miles2h 18m
Dec 21, 20256.9t CO₂
KSNASanta Ana
KSUZBryant
1,448 miles2h 37m
Dec 9, 20253.2t CO₂
KBILBillings
KPTTPratt
752 miles1h 21m
Nov 20, 20250.9t CO₂
KAFWFort Worth
KDTO
16 miles11m
View Details
Jan 17, 20252.0t CO₂
KSJCSan Jose
KHNDLas Vegas
388 miles58m
View Details
Jan 14, 20252.9t CO₂
KPVUProvo
KSJCSan Jose
583 miles1h 16m
View Details
Jan 14, 20251.8t CO₂
KHNDLas Vegas
KPVUProvo
347 miles55m
View Details
Jan 13, 20252.6t CO₂
KSJCSan Jose
KHNDLas Vegas
388 miles1h 9m
View Details
Top Airports by Emissions
Santa Ana

Santa Ana

KSNA

Total CO₂

6.9t

Total Visits

1

Avg CO₂/visit

6.9t

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

Bryant

KSUZ

Total CO₂

6.9t

Total Visits

1

Avg CO₂/visit

6.9t

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

KDTO

Total CO₂

6.8t

Total Visits

2

Avg CO₂/visit

3.4t

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

Las Vegas

KHND

Total CO₂

6.0t

Total Visits

1

Avg CO₂/visit

6.0t

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

Billings

KBIL

Total CO₂

3.2t

Total Visits

1

Avg CO₂/visit

3.2t

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

Pratt

KPTT

Total CO₂

3.2t

Total Visits

1

Avg CO₂/visit

3.2t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
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Top Routes by Emissions
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