N316KA
Cessna Citation CJ4
United States
HND (Tokyo International Airport, Tokyo)

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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

0.0
Tons CO2 This Month
Below Average0.0× avg for Citation CJ4
17.5
Tons CO2 YTD
Below Average0.7× avg for Citation CJ4
65.9
CO2 Tons Since 2025
Below Average0.5× avg for Citation CJ4
Emissions Intensity0.02t CO₂/nmAbove Average2.3× avg for Citation CJ4
60.6 tons CO2 in selected period

2026 pace: On track for approximately 70t CO₂ by year end · ↑ 45% vs full year 2025 (48t)

Flight Patterns & Behaviour

Activity broadly consistent with prior period — averaging 4.5t CO₂/month

4.5t
CO₂/month
2.4t
Avg per flight
17
Distinct routes
Moderately Concentrated3 routes account for 58% of total emissions
Highest emission route
Tokyo → Kumejima
22.3t CO₂ total · 0.0051t CO₂/nm
🇺🇸United States·16202 aircraft tracked·Ranked 1st by emissions among 109 countries·0.2× country averageBelow Average

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

What's ChangedCompared to prior equivalent period
Emissions
Prior data unavailable
Intensity
Prior data unavailable
New Routes
13
44t CO₂ combined
Dropped Routes
1
Prior period only
Avg per Flight
Prior data unavailable
Flight Count
Prior data unavailable

Route and airport counts may include data processing artefacts.

Spikes

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

CO₂ Above Baseline

71t

Signals Detected

5

Highest Severity

High

Aircraft
Medium
New26 Jul – 1 Aug 2025
Elevated activity period · 2 flights in 6 days vs baseline of 1
Contributed approximately 2t CO₂ to period total — 4% of period emissions
Aircraft
Medium
New14 Oct – 28 Oct 2025
Elevated activity period · 4 flights in 14 days vs baseline of 2
Contributed approximately 11t CO₂ to period total — 21% of period emissions
Aircraft
High
New25 Nov 2025 – 1 Feb 2026
Elevated activity period · 15 flights in 68 days vs baseline of 8
Contributed approximately 39t CO₂ to period total — 71% of period emissions
Aircraft
Medium
Historical28 Jul – 15 Oct 2025
79-day inactive period
5.7t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical28 Oct – 29 Nov 2025
32-day inactive period
13.4t CO₂ in the 7 days following resumption
Recent Flights
Feb 6, 20260.9t CO₂
RJBDShirahama
RJTTTokyo
283 miles49m
Feb 5, 20261.3t CO₂
RJTTTokyo
RJBDShirahama
283 miles1h 1m
Feb 1, 20261.4t CO₂
RJTTTokyo
RJOSTokushima
309 miles1h 4m
Jan 29, 20264.7t CO₂
RJTTTokyo
ROKJKumejima
999 miles3h 1m
View Details
Jan 18, 20260.5t CO₂
RJTTTokyo
RJTD
37 miles18m
View Details
Jan 17, 20264.6t CO₂
RJTTTokyo
ROAHNaha
965 miles2h 60m
View Details
Jan 1, 20262.5t CO₂
RJTTTokyo
RJDUNagasaki
590 miles1h 43m
View Details
Dec 31, 20253.1t CO₂
RJTTTokyo
NaN miles2h 5m
View Details
Dec 28, 20254.6t CO₂
RJTTTokyo
ROKJKumejima
999 miles2h 58m
View Details
Dec 26, 20251.7t CO₂
RJTTTokyo
RJOTTakamatsu
339 miles1h 17m
View Details
Dec 24, 20252.3t CO₂
RJTTTokyo
RJFUNagasaki
592 miles1h 38m
View Details
Dec 5, 20250.5t CO₂
RJBBOsaka
RJOSTokushima
42 miles11m
View Details
Dec 4, 20251.7t CO₂
RJTTTokyo
RJBBOsaka
268 miles1h 17m
View Details
Dec 3, 20254.8t CO₂
RJTTTokyo
ROKJKumejima
999 miles3h 7m
View Details
Dec 2, 20250.8t CO₂
RJBBOsaka
RJTTTokyo
268 miles46m
View Details
Dec 1, 20251.2t CO₂
RJTTTokyo
RJBBOsaka
268 miles60m
View Details
Nov 29, 20254.3t CO₂
RJTTTokyo
ROKJKumejima
999 miles2h 49m
View Details
Oct 28, 20251.3t CO₂
RJTTTokyo
RJOTTakamatsu
339 miles1h 4m
View Details
Oct 27, 20254.5t CO₂
RJTTTokyo
NaN miles2h 54m
View Details
Oct 20, 20254.0t CO₂
RJTTTokyo
ROKJKumejima
999 miles2h 39m
View Details
Oct 15, 20251.7t CO₂
RJOTTakamatsu
NaN miles1h 15m
View Details
Jul 28, 20250.5t CO₂
RJORTottori
RJFOOita
198 miles31m
View Details
Jul 26, 20251.5t CO₂
PANCAnchorage
NaN miles1h 8m
View Details
Jan 14, 20255.3t CO₂
KILGWilmington
KCEAWichita
1,172 miles3h 25m
View Details
Top Airports by Emissions
Tokyo

Tokyo

RJTT

Total CO₂

50.2t

Total Visits

19

Avg CO₂/visit

2.6t

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

Kumejima

ROKJ

Total CO₂

22.3t

Total Visits

5

Avg CO₂/visit

4.5t

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

Takamatsu

RJOT

Total CO₂

4.7t

Total Visits

3

Avg CO₂/visit

1.6t

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

Naha

ROAH

Total CO₂

4.6t

Total Visits

1

Avg CO₂/visit

4.6t

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

Osaka

RJBB

Total CO₂

4.3t

Total Visits

4

Avg CO₂/visit

1.1t

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

Nagasaki

RJDU

Total CO₂

2.5t

Total Visits

1

Avg CO₂/visit

2.5t

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

RJTT to ROKJ1,000 miles

Total Flights

5

Avg CO₂/Flight

4.5t

Total Emissions

22.3t CO₂

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

RJTT to ROAH966 miles

Total Flights

1

Avg CO₂/Flight

4.6t

Total Emissions

4.6t CO₂

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

RJTT to RJOT339 miles

Total Flights

2

Avg CO₂/Flight

1.5t

Total Emissions

3.1t CO₂

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

RJTT to RJBB268 miles

Total Flights

2

Avg CO₂/Flight

1.5t

Total Emissions

3t CO₂

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

RJTT to RJDU591 miles

Total Flights

1

Avg CO₂/Flight

2.5t

Total Emissions

2.5t CO₂

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

RJTT to RJFU592 miles

Total Flights

1

Avg CO₂/Flight

2.3t

Total Emissions

2.3t CO₂

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