N318LS
Gulfstream G650
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 Overview

146.6
Tons CO2 This Month
Above Average3.2× avg for G650
218.2
Tons CO2 YTD
Typical1.5× avg for G650
664.2
CO2 Tons Since 2025
Typical0.8× avg for G650
Emissions Intensity0.01t CO₂/nmTypical0.9× avg for G650
593.7 tons CO2 in selected period

2026 pace: On track for approximately 873t CO₂ by year end · ↑ 96% vs full year 2025 (446t)

Flight Patterns & Behaviour

Activity broadly consistent with prior period — averaging 44.1t CO₂/month

44.1t
CO₂/month
23.0t
Avg per flight
19
Distinct routes
Moderately Concentrated3 routes account for 59% of total emissions
Highest emission route
San Jose → Osaka
193.4t CO₂ total · 0.0102t CO₂/nm
🇺🇸United States·16202 aircraft tracked·Ranked 1st by emissions among 109 countries·1.8× country averageAbove Average

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

What's ChangedCompared to prior equivalent period
Emissions
>300%
69t → 528t CO₂
Intensity
0.0108 → 0.0108 t CO₂/nm
New Routes
16
505t CO₂ combined
Dropped Routes
1
Prior period only
Avg per Flight
23.0t → 23.0t
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

279t

Signals Detected

5

Highest Severity

Medium

Aircraft
Medium
New7 Apr – 20 Apr 2025
Elevated activity period · 4 flights in 13 days vs baseline of 1
Contributed approximately 65t CO₂ to period total — 12% of period emissions
Aircraft
Medium
New2 Jun – 8 Jun 2025
Elevated activity period · 2 flights in 6 days vs baseline of 0
Contributed approximately 56t CO₂ to period total — 11% of period emissions
Aircraft
Medium
New20 Jul – 26 Jul 2025
Elevated activity period · 1 flights in 6 days vs baseline of 0
Contributed approximately 51t CO₂ to period total — 10% of period emissions
Aircraft
Medium
Historical14 Apr – 8 Jun 2025
55-day inactive period
56.3t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical8 Jun – 26 Jul 2025
48-day inactive period
50.7t CO₂ in the 7 days following resumption
Recent Flights
Mar 22, 202668.0t CO₂
KSJCSan Jose
ZGOWJieyang (Rongcheng)
6,765 miles14h 51m
Mar 11, 202610.3t CO₂
VHHHHong Kong
ZBADBeijing
1,196 miles2h 23m
Mar 8, 20264.5t CO₂
VHHHHong Kong
RCSSTaipei City
518 miles1h 9m
Feb 28, 20266.6t CO₂
VHHHHong Kong
ZSWUWuhu
684 miles1h 36m
View Details
Feb 13, 20261.9t CO₂
ZBHDHandan
ZBADBeijing
233 miles25m
View Details
Jan 17, 202610.9t CO₂
RJBBOsaka
RCPOHsinchu City
1,083 miles2h 31m
View Details
Jan 17, 202647.3t CO₂
KSJCSan Jose
RJBBOsaka
5,428 miles10h 23m
View Details
Jan 9, 20264.0t CO₂
KLASLas Vegas
KSJCSan Jose
385 miles1h 2m
View Details
Jan 5, 20265.2t CO₂
KSJCSan Jose
KLASLas Vegas
385 miles1h 18m
View Details
Nov 5, 20259.4t CO₂
RJBBOsaka
RCPOHsinchu City
1,083 miles2h 11m
View Details
Nov 5, 202550.6t CO₂
KSJCSan Jose
RJBBOsaka
5,428 miles11h 5m
View Details
Nov 4, 202510.9t CO₂
KSJCSan Jose
NaN miles2h 32m
View Details
Nov 3, 202513.8t CO₂
KSJCSan Jose
KIAHHouston
1,604 miles3h 8m
View Details
Sep 30, 202542.8t CO₂
PANCAnchorage
RCMQTaichung (Qingshui)
4,737 miles9h 25m
View Details
Aug 31, 202523.3t CO₂
PANCAnchorage
KCPSCahokia/St Louis
2,944 miles5h 12m
View Details
Aug 24, 202546.5t CO₂
KSJCSan Jose
RJBBOsaka
5,428 miles10h 13m
View Details
Jul 26, 202550.7t CO₂
LFPBParis
VHHHHong Kong
5,961 miles11h 7m
View Details
Jun 8, 20257.3t CO₂
RCPOHsinchu City
NaN miles1h 44m
View Details
Jun 8, 202549.1t CO₂
KSJCSan Jose
RJBBOsaka
5,428 miles10h 45m
View Details
Apr 14, 20259.0t CO₂
RJOKNankoku
RCPOHsinchu City
974 miles2h 6m
View Details
Apr 14, 202549.8t CO₂
KSJCSan Jose
RJBEKobe
5,419 miles10h 55m
View Details
Apr 10, 20253.0t CO₂
KLGBLong Beach
KSJCSan Jose
324 miles49m
View Details
Apr 7, 20253.4t CO₂
KSJCSan Jose
KLGBLong Beach
324 miles54m
View Details
Jan 11, 202514.5t CO₂
RJOKNankoku
NaN miles3h 18m
View Details
Jan 7, 20254.6t CO₂
KSJCSan Jose
KLASLas Vegas
385 miles1h 10m
View Details
Jan 3, 202549.8t CO₂
VHHHHong Kong
KSJCSan Jose
6,939 miles10h 55m
View Details
Top Airports by Emissions
San Jose

San Jose

KSJC

Total CO₂

351.5t

Total Visits

12

Avg CO₂/visit

29.3t

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

Osaka

RJBB

Total CO₂

213.7t

Total Visits

6

Avg CO₂/visit

35.6t

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

Hong Kong

VHHH

Total CO₂

72.1t

Total Visits

4

Avg CO₂/visit

18.0t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Jieyang (Rongcheng)

Jieyang (Rongcheng)

ZGOW

Total CO₂

68.0t

Total Visits

1

Avg CO₂/visit

68.0t

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

Anchorage

PANC

Total CO₂

66.2t

Total Visits

2

Avg CO₂/visit

33.1t

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

Paris

LFPB

Total CO₂

50.7t

Total Visits

1

Avg CO₂/visit

50.7t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Page 1 of 3
Top Routes by Emissions
San Jose Osaka

KSJC to RJBB5,431 miles

Total Flights

4

Avg CO₂/Flight

48.4t

Total Emissions

193.4t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
San Jose Jieyang (Rongcheng)

KSJC to ZGOW0 miles

Total Flights

1

Avg CO₂/Flight

68.0t

Total Emissions

68t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Paris Hong Kong

LFPB to VHHH5,965 miles

Total Flights

1

Avg CO₂/Flight

50.7t

Total Emissions

50.7t CO₂

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

KSJC to RJBE5,423 miles

Total Flights

1

Avg CO₂/Flight

49.8t

Total Emissions

49.8t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Anchorage Taichung (Qingshui)

PANC to RCMQ4,740 miles

Total Flights

1

Avg CO₂/Flight

42.8t

Total Emissions

42.8t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Anchorage Cahokia/St Louis

PANC to KCPS2,946 miles

Total Flights

1

Avg CO₂/Flight

23.3t

Total Emissions

23.3t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Page 1 of 3