N989KM
Gulfstream GIV
Charter
United States
HWD (Hayward Air Terminal Airport, Hayward)

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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 GIV
82.6
Tons CO2 YTD
Below Average0.6× avg for GIV
548.8
CO2 Tons Since 2025
Typical0.8× avg for GIV
Emissions Intensity0.01t CO₂/nmTypical0.8× avg for GIV
483.4 tons CO2 in selected period

2026 pace: On track for approximately 330t CO₂ by year end · ↓ 29% vs full year 2025 (466t)

Flight Patterns & Behaviour

Activity broadly consistent with prior period — averaging 39.9t CO₂/month

39.9t
CO₂/month
10.4t
Avg per flight
40
Distinct routes
Diverse Network3 routes account for 29% of total emissions
Highest emission route
Honolulu → Hayward
53.1t CO₂ total · 0.0127t CO₂/nm
🇺🇸United States·16202 aircraft tracked·Ranked 1st by emissions among 109 countries·1.5× country averageAbove Average

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

What's ChangedCompared to prior equivalent period
Emissions
>300%
64t → 478t CO₂
Intensity
2%
0.0104 → 0.0106 t CO₂/nm
New Routes
39
425t CO₂ combined
Dropped Routes
6
Prior period only
Avg per Flight
13%
9.2t → 10.4t
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

200t

Signals Detected

5

Highest Severity

Medium

Aircraft
Medium
New16 May – 1 Jun 2025
Elevated activity period · 5 flights in 16 days vs baseline of 3
Contributed approximately 60t CO₂ to period total — 12% of period emissions
Aircraft
Medium
New14 Jul – 13 Aug 2025
Elevated activity period · 10 flights in 30 days vs baseline of 5
Contributed approximately 70t CO₂ to period total — 15% of period emissions
Aircraft
Medium
New31 Aug – 6 Sept 2025
Elevated activity period · 2 flights in 6 days vs baseline of 1
Contributed approximately 22t CO₂ to period total — 5% of period emissions
Aircraft
Medium
Historical10 Jun – 4 Jul 2025
23-day inactive period
2.0t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical18 Aug – 2 Sept 2025
15-day inactive period
45.7t CO₂ in the 7 days following resumption
Recent Flights
Feb 23, 20262.9t CO₂
KHWDHayward
KVNYVan Nuys
313 miles47m
Feb 19, 20266.0t CO₂
KHWDHayward
KEGEEagle
830 miles1h 29m
Feb 7, 20265.4t CO₂
KPSCPasco
KHWDHayward
614 miles1h 21m
Feb 3, 202616.4t CO₂
KPSCPasco
KBQKBrunswick
2,248 miles3h 53m
View Details
Feb 2, 20265.7t CO₂
KHWDHayward
KPSCPasco
614 miles1h 25m
View Details
Jan 28, 20266.5t CO₂
KHWDHayward
KEGEEagle
830 miles1h 36m
View Details
Jan 11, 20264.0t CO₂
KLASLas Vegas
KHWDHayward
400 miles1h 2m
View Details
Jan 10, 20264.6t CO₂
KHWDHayward
KLASLas Vegas
400 miles1h 10m
View Details
Jan 4, 202627.5t CO₂
PHIKHonolulu
KHWDHayward
2,409 miles6h 26m
View Details
Dec 27, 202525.6t CO₂
KHWDHayward
PHNLHonolulu
2,409 miles5h 59m
View Details
Dec 5, 20253.6t CO₂
KLAXLos Angeles
KHWDHayward
330 miles56m
View Details
Dec 3, 20253.7t CO₂
KHWDHayward
KLAXLos Angeles
330 miles57m
View Details
Nov 18, 20252.0t CO₂
KHWDHayward
KCICChico
148 miles30m
View Details
Nov 11, 20252.0t CO₂
KHWDHayward
KCICChico
148 miles28m
View Details
Nov 11, 202523.8t CO₂
KFLLFt Lauderdale
KHWDHayward
2,565 miles5h 35m
View Details
Nov 5, 202520.3t CO₂
KHWDHayward
KMIAMiami
2,566 miles4h 46m
View Details
Oct 12, 202525.6t CO₂
PHIKHonolulu
KHWDHayward
2,409 miles5h 59m
View Details
Oct 4, 202524.7t CO₂
KHWDHayward
PHNLHonolulu
2,409 miles5h 48m
View Details
Sep 25, 202520.2t CO₂
KHWDHayward
KLEBLebanon
2,603 miles4h 45m
View Details
Sep 11, 20252.0t CO₂
KTCYTracy
KHWDHayward
37 miles13m
View Details
Sep 11, 20252.0t CO₂
KHWDHayward
KSCKStockton
51 miles15m
View Details
Sep 6, 202523.2t CO₂
KTEBTeterboro
KHWDHayward
2,547 miles5h 26m
View Details
Sep 3, 202520.5t CO₂
KOAKOakland
KLEBLebanon
2,605 miles4h 49m
View Details
Sep 2, 20252.0t CO₂
KHWDHayward
KOAKOakland
7 miles22m
View Details
Aug 18, 20253.1t CO₂
KHWDHayward
KOTHNorth Bend
413 miles50m
View Details
Aug 12, 20257.4t CO₂
KBZNBozeman
KHWDHayward
795 miles1h 49m
View Details
Aug 12, 20256.5t CO₂
KHWDHayward
KBZNBozeman
795 miles1h 36m
View Details
Aug 7, 20255.9t CO₂
KPWTBremerton
KHWDHayward
680 miles1h 28m
View Details
Aug 6, 202521.4t CO₂
KIADWashington
KPWTBremerton
2,320 miles5h 1m
View Details
Aug 4, 20256.7t CO₂
KHWDHayward
KPWTBremerton
680 miles1h 40m
View Details
Aug 3, 20252.0t CO₂
KHWDHayward
KTRKTruckee
157 miles26m
View Details
Jul 20, 20252.0t CO₂
KSFOSan Francisco
KHWDHayward
14 miles9m
View Details
Jul 20, 20258.8t CO₂
KBZNBozeman
KSFOSan Francisco
806 miles2h 7m
View Details
Jul 17, 20257.0t CO₂
KSFOSan Francisco
KBZNBozeman
806 miles1h 44m
View Details
Jul 17, 20252.0t CO₂
KHWDHayward
KSFOSan Francisco
14 miles9m
View Details
Jul 4, 20252.0t CO₂
KHWDHayward
KTRKTruckee
157 miles30m
View Details
Jun 10, 20253.8t CO₂
KHWDHayward
KSNASanta Ana
364 miles59m
View Details
Jun 2, 202512.5t CO₂
KFARFargo
KHWDHayward
1,433 miles2h 59m
View Details
Jun 1, 202530.8t CO₂
EINNShannon
KFARFargo
3,687 miles7h 11m
View Details
Jun 1, 202513.8t CO₂
LICCCatania
EINNShannon
1,559 miles3h 17m
View Details
Jun 1, 20252.0t CO₂
LMMLMalta
LICCCatania
116 miles30m
View Details
May 22, 20252.0t CO₂
LICCCatania
LMMLMalta
116 miles25m
View Details
May 22, 202519.0t CO₂
BIKFKeflavik
LICCCatania
2,395 miles4h 28m
View Details
May 22, 202533.6t CO₂
KOAKOakland
BIKFKeflavik
4,179 miles7h 50m
View Details
May 22, 20252.0t CO₂
KHWDHayward
KOAKOakland
7 miles8m
View Details
May 16, 20253.0t CO₂
KBURBurbank
KHWDHayward
318 miles49m
View Details
Mar 18, 202512.4t CO₂
KHWDHayward
KSPISpringfield
1,744 miles2h 57m
View Details
Feb 20, 20254.7t CO₂
KHWDHayward
KPUCPrice
627 miles1h 12m
View Details
Feb 16, 20252.0t CO₂
KHDNHayden
KPIHPocatello
324 miles22m
View Details
Feb 15, 20256.7t CO₂
KHWDHayward
KHDNHayden
821 miles1h 39m
View Details
Jan 20, 20255.2t CO₂
KSLCSalt Lake City
KHWDHayward
583 miles1h 19m
View Details
Jan 18, 20255.1t CO₂
KHWDHayward
KSLCSalt Lake City
583 miles1h 17m
View Details
Jan 5, 202528.2t CO₂
PHIKHonolulu
KHWDHayward
2,409 miles6h 35m
View Details
Top Airports by Emissions
Hayward

Hayward

KHWD

Total CO₂

302.3t

Total Visits

35

Avg CO₂/visit

8.6t

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

Oakland

KOAK

Total CO₂

58.1t

Total Visits

4

Avg CO₂/visit

14.5t

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

Honolulu

PHIK

Total CO₂

53.1t

Total Visits

2

Avg CO₂/visit

26.5t

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

Keflavik

BIKF

Total CO₂

52.6t

Total Visits

2

Avg CO₂/visit

26.3t

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

Honolulu

PHNL

Total CO₂

50.3t

Total Visits

2

Avg CO₂/visit

25.2t

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

Shannon

EINN

Total CO₂

44.6t

Total Visits

2

Avg CO₂/visit

22.3t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Page 1 of 5
Top Routes by Emissions
Honolulu Hayward

PHIK to KHWD2,411 miles

Total Flights

2

Avg CO₂/Flight

26.5t

Total Emissions

53.1t CO₂

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

KHWD to PHNL2,410 miles

Total Flights

2

Avg CO₂/Flight

25.2t

Total Emissions

50.3t CO₂

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

KOAK to BIKF4,182 miles

Total Flights

1

Avg CO₂/Flight

33.6t

Total Emissions

33.6t CO₂

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

EINN to KFAR3,690 miles

Total Flights

1

Avg CO₂/Flight

30.8t

Total Emissions

30.8t CO₂

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

KFLL to KHWD2,566 miles

Total Flights

1

Avg CO₂/Flight

23.8t

Total Emissions

23.8t CO₂

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

KTEB to KHWD2,549 miles

Total Flights

1

Avg CO₂/Flight

23.2t

Total Emissions

23.2t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Page 1 of 7