JA01BJ
Cessna Citation CJ4
Japan
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 increasing vs prior period

Emissions Overview

0.0
Tons CO2 This Month
Below Average0.0× avg for Citation CJ4
5.8
Tons CO2 YTD
Below Average0.2× avg for Citation CJ4
13.9
CO2 Tons Since 2025
Below Average0.1× avg for Citation CJ4
Emissions Intensity0.01t CO₂/nmTypical0.9× avg for Citation CJ4
10.0 tons CO2 in selected period

2026 pace: On track for approximately 23t CO₂ by year end · ↑ 186% vs full year 2025 (8t)

Flight Patterns & Behaviour

Emissions up 238% vs prior period, driven by Tokyo → Yaizu

12t
Period total CO₂
1.2t
Avg per flight
10
Flights
Highly Concentrated3 routes account for 82% of total emissions
Highest emission route
Tokyo → Yaizu
7.4t CO₂ total · 0.0217t CO₂/nm
Japan·52 aircraft tracked·Ranked 54th by emissions among 109 countries·0.3× country averageBelow Average
What's ChangedCompared to prior equivalent period
Emissions
238%
3t → 12t CO₂
Intensity
40%
0.0082 → 0.0115 t CO₂/nm
New Routes
6
11t CO₂ combined
Dropped Routes
2
Prior period only
Avg per Flight
2%
1.2t → 1.2t
Flight Count
7
3 → 10 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

9t

Signals Detected

5

Highest Severity

High

Emissions
High
New15 Jan 2026 · Tokyo → Yaizu
Highest single-flight emission event (Tokyo → Yaizu)
Single flight: 5.8t CO₂ — 49% of period emissions
Aircraft
Medium
New17 Apr – 23 Apr 2025
Elevated activity period · 1 flights in 6 days vs baseline of 0
Contributed approximately 1t CO₂ to period total — 5% of period emissions
Aircraft
Medium
New27 May – 2 Jun 2025
Elevated activity period · 1 flights in 6 days vs baseline of 0
Contributed approximately 1t CO₂ to period total — 5% of period emissions
Aircraft
Medium
New23 Oct – 29 Oct 2025
Elevated activity period · 1 flights in 6 days vs baseline of 0
Contributed approximately 2t CO₂ to period total — 14% of period emissions
Aircraft
Medium
Historical17 Apr – 2 Jun 2025
45-day inactive period
0.5t CO₂ in the 7 days following resumption
Recent Flights
Feb 26, 20260.5t CO₂
RJTTTokyo
RJNYYaizu
98 miles21m
Feb 26, 20260.5t CO₂
RJNSShizuoka
RJTTTokyo
105 miles33m
Jan 15, 20265.8t CO₂
RJTTTokyo
RJNYYaizu
98 miles3h 41m
Dec 23, 20250.5t CO₂
RJTTTokyo
RJNYYaizu
98 miles21m
View Details
Dec 8, 20250.5t CO₂
RJTTTokyo
RJNYYaizu
98 miles22m
View Details
Nov 22, 20250.5t CO₂
RJAFMatsumoto
RJNYYaizu
96 miles20m
View Details
Nov 22, 20250.5t CO₂
RJTTTokyo
RJSFSukagawa
121 miles25m
View Details
Oct 29, 20251.6t CO₂
RJTTTokyo
RJOKNankoku
374 miles1h 14m
View Details
Jun 2, 20250.5t CO₂
RJTTTokyo
RJANNiijima Village
87 miles19m
View Details
Apr 17, 20250.5t CO₂
RJTTTokyo
NaN miles21m
View Details
Feb 10, 20251.5t CO₂
RJSRKitaakita
RJNYYaizu
388 miles1h 10m
View Details
Feb 10, 20251.4t CO₂
RJTTTokyo
NaN miles1h 6m
View Details
Jan 15, 20250.5t CO₂
RJNSShizuoka
RJAFMatsumoto
96 miles12m
View Details
Top Airports by Emissions
Tokyo

Tokyo

RJTT

Total CO₂

11.2t

Total Visits

9

Avg CO₂/visit

1.2t

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

Yaizu

RJNY

Total CO₂

7.9t

Total Visits

5

Avg CO₂/visit

1.6t

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

Nankoku

RJOK

Total CO₂

1.6t

Total Visits

1

Avg CO₂/visit

1.6t

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

Shizuoka

RJNS

Total CO₂

0.5t

Total Visits

1

Avg CO₂/visit

0.5t

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

Matsumoto

RJAF

Total CO₂

0.5t

Total Visits

1

Avg CO₂/visit

0.5t

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

Sukagawa

RJSF

Total CO₂

0.5t

Total Visits

1

Avg CO₂/visit

0.5t

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

RJTT to RJNY98 miles

Total Flights

4

Avg CO₂/Flight

1.8t

Total Emissions

7.4t CO₂

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

RJTT to RJOK374 miles

Total Flights

1

Avg CO₂/Flight

1.6t

Total Emissions

1.6t CO₂

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

RJNS to RJTT104 miles

Total Flights

1

Avg CO₂/Flight

0.5t

Total Emissions

0.5t CO₂

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

RJAF to RJNY96 miles

Total Flights

1

Avg CO₂/Flight

0.5t

Total Emissions

0.5t CO₂

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

RJTT to RJSF121 miles

Total Flights

1

Avg CO₂/Flight

0.5t

Total Emissions

0.5t CO₂

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

RJTT to RJAN87 miles

Total Flights

1

Avg CO₂/Flight

0.5t

Total Emissions

0.5t CO₂

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