N977JH
Cessna Citation Sovereign
United States
HLP (Halim Perdanakusuma Airport, Jakarta)

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Viewing period:
Compared to: preceding 12 months · May 2024 – May 2025
May 2025 – Apr 2026·vs May 2024 – May 2025

Emissions Overview

0.0
Tons CO2 This Month
Below Average0.0× avg for Citation Sovereign
0.0
Tons CO2 YTD
Below Average0.0× avg for Citation Sovereign
10.7
CO2 Tons Since 2025
Below Average0.0× avg for Citation Sovereign
Emissions Intensity0.01t CO₂/nmBelow Average0.7× avg for Citation Sovereign
9.8 tons CO2 in selected period

Flight Patterns & Behaviour

Activity broadly consistent with prior period — averaging 1.1t CO₂/month

1.1t
CO₂/month
2.3t
Avg per flight
5
Distinct routes
Highly Concentrated3 routes account for 85% of total emissions
Highest emission route
Semarang → Singapore
5.4t CO₂ total · 0.0086t CO₂/nm
🇺🇸United States·16202 aircraft tracked·Ranked 1st by emissions among 109 countries·0.0× 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
4
10t CO₂ combined
Dropped Routes
0
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

25t

Signals Detected

5

Highest Severity

High

Emissions
High
New27 Sept 2025 · Semarang → Singapore
Highest single-flight emission event (Semarang → Singapore)
Single flight: 5.4t CO₂ — 47% of period emissions
Aircraft
Medium
New8 Aug – 14 Aug 2025
Elevated activity period · 1 flights in 6 days vs baseline of 0
Contributed approximately 1t CO₂ to period total — 7% of period emissions
Aircraft
High
New21 Sept – 27 Sept 2025
Elevated activity period · 2 flights in 6 days vs baseline of 0
Contributed approximately 8t CO₂ to period total — 72% of period emissions
Aircraft
Medium
New17 Feb – 23 Feb 2026
Elevated activity period · 1 flights in 6 days vs baseline of 0
Contributed approximately 2t CO₂ to period total — 13% of period emissions
Aircraft
Medium
Historical8 Aug – 27 Sept 2025
50-day inactive period
8.4t CO₂ in the 7 days following resumption
Recent Flights
Mar 23, 20260.9t CO₂
WIHHJakarta
WICAKertajati
91 miles21m
Feb 23, 20261.5t CO₂
WIHK
NaN miles52m
Sep 27, 20252.9t CO₂
WIKS
WIHHJakarta
430 miles1h 26m
Sep 27, 20255.4t CO₂
WARSSemarang
WSSLSingapore
733 miles2h 29m
View Details
Aug 8, 20250.9t CO₂
WICCBandung
WAHIYogyakarta
183 miles26m
View Details
Jan 4, 20250.9t CO₂
NaN miles23m
View Details
Top Airports by Emissions
Semarang

Semarang

WARS

Total CO₂

5.4t

Total Visits

1

Avg CO₂/visit

5.4t

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

Singapore

WSSL

Total CO₂

5.4t

Total Visits

1

Avg CO₂/visit

5.4t

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

Jakarta

WIHH

Total CO₂

3.8t

Total Visits

2

Avg CO₂/visit

1.9t

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

WIKS

Total CO₂

2.9t

Total Visits

1

Avg CO₂/visit

2.9t

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

WIHK

Total CO₂

1.5t

Total Visits

1

Avg CO₂/visit

1.5t

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

Kertajati

WICA

Total CO₂

0.9t

Total Visits

1

Avg CO₂/visit

0.9t

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