N504YH
Honda HondaJet HA-420
United States
OAK (Oakland International Airport, Oakland)

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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

1.5
Tons CO2 This Month
Above Average4.4× avg for HondaJet HA-420
4.6
Tons CO2 YTD
Above Average5.2× avg for HondaJet HA-420
44.0
CO2 Tons Since 2025
Above Average10.1× avg for HondaJet HA-420
Emissions Intensity0.00t CO₂/nmAbove Average8.4× avg for HondaJet HA-420
38.7 tons CO2 in selected period

2026 pace: On track for approximately 18t CO₂ by year end · ↓ 53% vs full year 2025 (39t)

Flight Patterns & Behaviour

Above seasonal norms — current month 122% above March 2025

3.5t
CO₂/month
1.3t
Avg per flight
31
Flights
Diverse Network3 routes account for 27% of total emissions
Highest emission route
Denver → Oakland
4.2t CO₂ total · 0.0025t CO₂/nm

Seasonal pattern: Historically peaks in April · Current month is 122% above March 2025

🇺🇸United States·16202 aircraft tracked·Ranked 1st by emissions among 109 countries·0.1× country averageBelow Average

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

What's ChangedCompared to prior equivalent period
Emissions
>300%
5t → 42t CO₂
Intensity
37%
0.0044 → 0.0028 t CO₂/nm
New Routes
24
40t CO₂ combined
Dropped Routes
2
Prior period only
Avg per Flight
25%
1.8t → 1.3t
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

24t

Signals Detected

5

Highest Severity

High

Aircraft
Medium
New2 Apr – 17 Apr 2025
Elevated activity period · 3 flights in 15 days vs baseline of 1
Contributed approximately 5t CO₂ to period total — 13% of period emissions
Aircraft
High
New24 May – 28 Jun 2025
Elevated activity period · 8 flights in 35 days vs baseline of 3
Contributed approximately 14t CO₂ to period total — 34% of period emissions
Aircraft
Medium
New10 Sept – 16 Sept 2025
Elevated activity period · 2 flights in 6 days vs baseline of 1
Contributed approximately 2t CO₂ to period total — 6% of period emissions
Aircraft
Medium
Historical25 Apr – 9 May 2025
15-day inactive period
0.5t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical28 Jun – 14 Aug 2025
47-day inactive period
1.5t CO₂ in the 7 days following resumption
Recent Flights
Mar 24, 20260.7t CO₂
MMCGNuevo Casas Grandes
NaN miles44m
Mar 24, 20261.5t CO₂
KOAKOakland
KGWSGlenwood Springs
813 miles1h 44m
Feb 14, 20261.2t CO₂
KOAKOakland
KCNYMoab
680 miles1h 21m
Feb 10, 20260.5t CO₂
KMHRSacramento
KOAKOakland
76 miles16m
View Details
Jan 26, 20260.5t CO₂
KOAKOakland
KMHRSacramento
76 miles17m
View Details
Jan 3, 20261.2t CO₂
KHMTHemet
KOAKOakland
401 miles1h 19m
View Details
Jan 2, 20260.5t CO₂
KSDMSan Diego
KHMTHemet
80 miles17m
View Details
Dec 19, 20251.5t CO₂
KOAKOakland
KRILRifle
791 miles1h 39m
View Details
Nov 20, 20251.2t CO₂
KUDDBermuda Dunes
MMCNCiudad Obregon
582 miles1h 22m
View Details
Nov 20, 20251.0t CO₂
KOAKOakland
KUDDBermuda Dunes
432 miles1h 6m
View Details
Oct 14, 20251.0t CO₂
KOAKOakland
KHHRHawthorne
341 miles1h 8m
View Details
Sep 16, 20250.7t CO₂
NaN miles49m
View Details
Sep 16, 20251.6t CO₂
KOAKOakland
KASEAspen
835 miles1h 45m
View Details
Aug 14, 20251.5t CO₂
KOAKOakland
KRILRifle
791 miles1h 44m
View Details
Jun 28, 20251.6t CO₂
KSBASanta Barbara
KASEAspen
789 miles1h 46m
View Details
Jun 22, 20251.1t CO₂
KOAKOakland
KSBASanta Barbara
264 miles1h 17m
View Details
Jun 16, 20251.1t CO₂
KSDMSan Diego
KOAKOakland
463 miles1h 15m
View Details
Jun 15, 20250.6t CO₂
MM23
KSDMSan Diego
238 miles36m
View Details
Jun 4, 20250.5t CO₂
KOAKOakland
KHAFHalf Moon Bay
21 miles10m
View Details
Jun 1, 20253.9t CO₂
KRBDDallas
KOAKOakland
1,467 miles4h 28m
View Details
May 30, 20252.1t CO₂
KRBDDallas
KPBIWest Palm Beach
1,086 miles2h 23m
View Details
May 30, 20253.2t CO₂
KOAKOakland
KRBDDallas
1,467 miles3h 36m
View Details
May 20, 20250.5t CO₂
KMHRSacramento
KOAKOakland
76 miles16m
View Details
May 9, 20250.5t CO₂
KOAKOakland
KMHRSacramento
76 miles17m
View Details
Apr 25, 20251.5t CO₂
KOAKOakland
KGWSGlenwood Springs
813 miles1h 40m
View Details
Apr 18, 20252.1t CO₂
KAPADenver
KOAKOakland
944 miles2h 22m
View Details
Apr 17, 20251.2t CO₂
KCYWClay Center
KAPADenver
410 miles1h 19m
View Details
Apr 17, 20251.4t CO₂
KAPADenver
KSTLSt Louis
777 miles1h 35m
View Details
Apr 17, 20252.0t CO₂
KOAKOakland
KAPADenver
944 miles2h 12m
View Details
Apr 3, 20252.1t CO₂
KAPADenver
KOAKOakland
944 miles2h 20m
View Details
Apr 2, 20251.3t CO₂
KMHRSacramento
KCNYMoab
623 miles1h 26m
View Details
Mar 17, 20251.0t CO₂
KOAKOakland
KLASLas Vegas
406 miles1h 9m
View Details
Feb 24, 20252.7t CO₂
KOAKOakland
MMCNCiudad Obregon
1,013 miles3h 2m
View Details
Feb 15, 20251.7t CO₂
KOAKOakland
NaN miles1h 51m
View Details
Top Airports by Emissions
Oakland

Oakland

KOAK

Total CO₂

30.2t

Total Visits

21

Avg CO₂/visit

1.4t

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

Dallas

KRBD

Total CO₂

9.3t

Total Visits

3

Avg CO₂/visit

3.1t

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

Denver

KAPA

Total CO₂

8.7t

Total Visits

5

Avg CO₂/visit

1.7t

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

Sacramento

KMHR

Total CO₂

3.4t

Total Visits

5

Avg CO₂/visit

0.7t

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

Aspen

KASE

Total CO₂

3.1t

Total Visits

2

Avg CO₂/visit

1.6t

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

Glenwood Springs

KGWS

Total CO₂

3.0t

Total Visits

2

Avg CO₂/visit

1.5t

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

KAPA to KOAK944 miles

Total Flights

2

Avg CO₂/Flight

2.1t

Total Emissions

4.2t CO₂

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

KRBD to KOAK1,468 miles

Total Flights

1

Avg CO₂/Flight

3.9t

Total Emissions

3.9t CO₂

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

KOAK to KRBD1,468 miles

Total Flights

1

Avg CO₂/Flight

3.2t

Total Emissions

3.2t CO₂

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

KOAK to KGWS813 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
Oakland Rifle

KOAK to KRIL791 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
Dallas West Palm Beach

KRBD to KPBI1,087 miles

Total Flights

1

Avg CO₂/Flight

2.1t

Total Emissions

2.1t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Page 1 of 4