N321SD
Gulfstream GV
United States
BZN (Gallatin Field Airport, Bozeman)

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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 Overview

50.4
Tons CO2 This Month
Above Average1.6× avg for GV
100.0
Tons CO2 YTD
Typical1.1× avg for GV
451.0
CO2 Tons Since 2025
Typical0.9× avg for GV
Emissions Intensity0.01t CO₂/nmTypical0.8× avg for GV
396.1 tons CO2 in selected period

2026 pace: On track for approximately 400t CO₂ by year end · ↑ 14% vs full year 2025 (351t)

Flight Patterns & Behaviour

Above seasonal norms — current month 833% above March 2025

34.2t
CO₂/month
10.5t
Avg per flight
39
Flights
Diverse Network3 routes account for 36% of total emissions
Highest emission route
Bozeman → Melbourne
78.2t CO₂ total · 0.0073t CO₂/nm

Seasonal pattern: Historically peaks in July · Current month is 833% above March 2025

🇺🇸United States·16202 aircraft tracked·Ranked 1st by emissions among 109 countries·1.2× country averageTypical

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

What's ChangedCompared to prior equivalent period
Emissions
>300%
55t → 409t CO₂
Intensity
22%
0.0119 → 0.0092 t CO₂/nm
New Routes
24
357t CO₂ combined
Dropped Routes
3
Prior period only
Avg per Flight
15%
9.1t → 10.5t
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

61t

Signals Detected

5

Highest Severity

Medium

Aircraft
Medium
New31 May – 13 Jun 2025
Elevated activity period · 4 flights in 13 days vs baseline of 2
Contributed approximately 40t CO₂ to period total — 10% of period emissions
Aircraft
Medium
New1 Jul – 7 Jul 2025
Elevated activity period · 2 flights in 6 days vs baseline of 1
Contributed approximately 16t CO₂ to period total — 4% of period emissions
Aircraft
Medium
New24 Jul – 30 Jul 2025
Elevated activity period · 1 flights in 6 days vs baseline of 1
Contributed approximately 2t CO₂ to period total — 0% of period emissions
Aircraft
Medium
Historical30 Jul – 27 Aug 2025
28-day inactive period
1.9t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical27 Aug – 11 Sept 2025
15-day inactive period
1.9t CO₂ in the 7 days following resumption
Recent Flights
Mar 27, 202630.4t CO₂
SCSDSan Fernando
KMLBMelbourne
4,373 miles8h 27m
Mar 18, 202615.6t CO₂
KMLBMelbourne
KREDRed Lodge
1,958 miles4h 23m
Mar 3, 202612.9t CO₂
KBZNBozeman
KMLBMelbourne
2,059 miles3h 38m
Mar 2, 20268.1t CO₂
KDSMDes Moines
KBZNBozeman
919 miles2h 18m
View Details
Feb 24, 202610.0t CO₂
KMLBMelbourne
KDSMDes Moines
1,182 miles2h 49m
View Details
Feb 19, 20261.9t CO₂
PHKOKailua-Kona
KMLBMelbourne
4,722 miles23m
View Details
Feb 14, 202618.7t CO₂
KOAKOakland
PHKOKailua-Kona
2,375 miles5h 13m
View Details
Jan 27, 20265.1t CO₂
KPBIWest Palm Beach
KMLBMelbourne
104 miles1h 29m
View Details
Jan 2, 20267.7t CO₂
KDSMDes Moines
KMLBMelbourne
1,182 miles2h 11m
View Details
Jan 2, 20266.0t CO₂
KBZNBozeman
KDSMDes Moines
919 miles1h 43m
View Details
Dec 24, 202512.5t CO₂
KBZNBozeman
KMLBMelbourne
2,059 miles3h 31m
View Details
Dec 8, 202512.9t CO₂
KBZNBozeman
KMLBMelbourne
2,059 miles3h 38m
View Details
Dec 8, 20255.7t CO₂
KHNDLas Vegas
KBZNBozeman
708 miles1h 38m
View Details
Nov 29, 20253.6t CO₂
KLZULawrenceville
KMLBMelbourne
451 miles1h 3m
View Details
Nov 24, 202533.6t CO₂
KLZULawrenceville
KMLBMelbourne
451 miles9h 20m
View Details
Nov 22, 20251.9t CO₂
KMLBMelbourne
NaN miles30m
View Details
Nov 22, 202515.6t CO₂
KLZULawrenceville
KMSOMissoula
1,802 miles4h 21m
View Details
Oct 22, 202511.8t CO₂
KBZNBozeman
KMLBMelbourne
2,059 miles3h 19m
View Details
Oct 21, 202521.4t CO₂
BIKFKeflavik
NaN miles5h 58m
View Details
Oct 21, 20252.5t CO₂
EGPHEdinburgh
NaN miles45m
View Details
Oct 19, 20252.9t CO₂
EGGDBristol
EGPHEdinburgh
316 miles53m
View Details
Oct 16, 20254.0t CO₂
EGLFFarnborough
EGPEInverness
452 miles1h 10m
View Details
Sep 22, 20253.4t CO₂
KLZULawrenceville
KMLBMelbourne
451 miles60m
View Details
Sep 19, 202512.8t CO₂
KLZULawrenceville
KMSOMissoula
1,802 miles3h 35m
View Details
Sep 11, 20251.9t CO₂
KBZNBozeman
KMSOMissoula
161 miles21m
View Details
Aug 27, 20251.9t CO₂
CYXESaskatoon
CYBUNipawin
138 miles22m
View Details
Jul 30, 202511.3t CO₂
PANCAnchorage
KTHMThompson Falls
1,652 miles3h 11m
View Details
Jul 25, 20251.9t CO₂
KBZNBozeman
KMSOMissoula
161 miles27m
View Details
Jul 12, 202514.1t CO₂
KBZNBozeman
KMLBMelbourne
2,059 miles3h 58m
View Details
Jul 7, 20258.0t CO₂
CYYZToronto
KMLBMelbourne
1,077 miles2h 17m
View Details
Jul 7, 202510.8t CO₂
KBZNBozeman
CYYZToronto
1,544 miles3h 2m
View Details
Jul 7, 20252.8t CO₂
CYYCCalgary
KBZNBozeman
392 miles50m
View Details
Jul 3, 202513.2t CO₂
CYYZToronto
CYYCCalgary
1,670 miles3h 43m
View Details
Jun 24, 202529.0t CO₂
EGPHEdinburgh
KMLBMelbourne
4,147 miles8h 3m
View Details
Jun 14, 202513.9t CO₂
KBZNBozeman
KMLBMelbourne
2,059 miles3h 54m
View Details
Jun 13, 20252.4t CO₂
KBZNBozeman
KBOIBoise
293 miles44m
View Details
Jun 12, 202515.4t CO₂
KMLBMelbourne
KBZNBozeman
2,059 miles4h 19m
View Details
May 31, 202513.8t CO₂
NaN miles3h 51m
View Details
May 31, 20257.9t CO₂
KATWAppleton
KMLBMelbourne
1,197 miles2h 15m
View Details
Mar 13, 20257.2t CO₂
KBZNBozeman
KATWAppleton
1,106 miles2h 2m
View Details
Jan 13, 20257.1t CO₂
KPHLPhiladelphia
KMLBMelbourne
869 miles2h 1m
View Details
Jan 11, 20257.7t CO₂
KDSMDes Moines
KMLBMelbourne
1,182 miles2h 10m
View Details
Jan 5, 20251.9t CO₂
KPBIWest Palm Beach
KMLBMelbourne
104 miles23m
View Details
Jan 5, 202515.0t CO₂
KLNAWest Palm Beach
NaN miles4h 11m
View Details
Jan 4, 202516.0t CO₂
KMLBMelbourne
KWYSWest Yellowstone
2,025 miles4h 28m
View Details
Top Airports by Emissions
Melbourne

Melbourne

KMLB

Total CO₂

251.8t

Total Visits

20

Avg CO₂/visit

12.6t

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

Bozeman

KBZN

Total CO₂

133.3t

Total Visits

15

Avg CO₂/visit

8.9t

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

Lawrenceville

KLZU

Total CO₂

69.0t

Total Visits

5

Avg CO₂/visit

13.8t

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

Edinburgh

EGPH

Total CO₂

34.4t

Total Visits

3

Avg CO₂/visit

11.5t

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

Missoula

KMSO

Total CO₂

32.1t

Total Visits

4

Avg CO₂/visit

8.0t

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

Toronto

CYYZ

Total CO₂

32.1t

Total Visits

3

Avg CO₂/visit

10.7t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Page 1 of 4
Top Routes by Emissions
Bozeman Melbourne

KBZN to KMLB2,060 miles

Total Flights

6

Avg CO₂/Flight

13.0t

Total Emissions

78.2t CO₂

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

KLZU to KMLB451 miles

Total Flights

3

Avg CO₂/Flight

13.5t

Total Emissions

40.6t CO₂

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

SCSD to KMLB4,376 miles

Total Flights

1

Avg CO₂/Flight

30.4t

Total Emissions

30.4t CO₂

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

EGPH to KMLB4,150 miles

Total Flights

1

Avg CO₂/Flight

29.0t

Total Emissions

29t CO₂

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

KLZU to KMSO1,803 miles

Total Flights

2

Avg CO₂/Flight

14.2t

Total Emissions

28.3t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Oakland Kailua-Kona

KOAK to PHKO2,377 miles

Total Flights

1

Avg CO₂/Flight

18.7t

Total Emissions

18.7t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Page 1 of 5