N344AA
Gulfstream GIV
United States
STS (Sonoma County Airport, Santa Rosa)

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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
3.7
Tons CO2 YTD
Below Average0.0× avg for GIV
196.7
CO2 Tons Since 2025
Below Average0.3× avg for GIV
Emissions Intensity0.01t CO₂/nmTypical1.0× avg for GIV
184.7 tons CO2 in selected period

2026 pace: On track for approximately 15t CO₂ by year end · ↓ 92% vs full year 2025 (193t)

Flight Patterns & Behaviour

Activity broadly consistent with prior period — averaging 15.7t CO₂/month

15.7t
CO₂/month
7.8t
Avg per flight
19
Distinct routes
Moderately Concentrated3 routes account for 44% of total emissions
Highest emission route
Biggin Hill → Portsmouth
30.5t CO₂ total · 0.0108t CO₂/nm

Seasonal pattern: Historically peaks in October · Current month is 11% below March 2025

🇺🇸United States·16202 aircraft tracked·Ranked 1st by emissions among 109 countries·0.5× country averageBelow Average

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

What's ChangedCompared to prior equivalent period
Emissions
>300%
13t → 188t CO₂
Intensity
31%
0.0150 → 0.0104 t CO₂/nm
New Routes
19
188t CO₂ combined
Dropped Routes
3
Prior period only
Avg per Flight
87%
4.2t → 7.8t
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

232t

Signals Detected

5

Highest Severity

High

Aircraft
Medium
New13 Apr – 19 Apr 2025
Elevated activity period · 1 flights in 6 days vs baseline of 0
Contributed approximately 5t CO₂ to period total — 3% of period emissions
Aircraft
Medium
New16 May – 29 May 2025
Elevated activity period · 2 flights in 13 days vs baseline of 1
Contributed approximately 52t CO₂ to period total — 28% of period emissions
Aircraft
High
New20 Jul – 7 Nov 2025
Elevated activity period · 18 flights in 110 days vs baseline of 8
Contributed approximately 117t CO₂ to period total — 62% of period emissions
Aircraft
Medium
Historical13 Apr – 22 May 2025
39-day inactive period
52.3t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical23 May – 26 Jul 2025
65-day inactive period
5.3t CO₂ in the 7 days following resumption
Recent Flights
Mar 26, 20265.1t CO₂
KSTSSanta Rosa
KSLCSalt Lake City
597 miles1h 17m
Feb 27, 20264.8t CO₂
KSTSSanta Rosa
KSLCSalt Lake City
597 miles1h 13m
Jan 17, 20263.7t CO₂
KVNYVan Nuys
KSTSSanta Rosa
382 miles58m
Nov 3, 20253.8t CO₂
KSTSSanta Rosa
KVNYVan Nuys
382 miles59m
View Details
Nov 1, 20256.2t CO₂
KGYRGoodyear
KSTSSanta Rosa
680 miles1h 32m
View Details
Oct 31, 20257.2t CO₂
KSTSSanta Rosa
KGYRGoodyear
680 miles1h 46m
View Details
Oct 20, 20255.4t CO₂
KSLCSalt Lake City
KSTSSanta Rosa
597 miles1h 22m
View Details
Oct 17, 20255.7t CO₂
KSTSSanta Rosa
KSLCSalt Lake City
597 miles1h 26m
View Details
Oct 14, 20254.2t CO₂
KCRQCarlsbad
KDVONovato
455 miles1h 5m
View Details
Oct 14, 20252.5t CO₂
KSBASanta Barbara
KCRQCarlsbad
172 miles41m
View Details
Oct 14, 20253.5t CO₂
KSTSSanta Rosa
KSBASanta Barbara
327 miles55m
View Details
Oct 3, 202530.4t CO₂
KGRBGreen Bay
LPCSCascais
3,926 miles7h 6m
View Details
Oct 3, 202513.7t CO₂
KSTSSanta Rosa
KGRBGreen Bay
1,826 miles3h 15m
View Details
Sep 18, 20255.0t CO₂
KSTSSanta Rosa
KLASLas Vegas
453 miles1h 16m
View Details
Sep 10, 20252.0t CO₂
KSTSSanta Rosa
KFATFresno
207 miles31m
View Details
Sep 9, 20254.8t CO₂
KVNYVan Nuys
KSTSSanta Rosa
382 miles1h 12m
View Details
Sep 3, 20253.6t CO₂
KSTSSanta Rosa
KVNYVan Nuys
382 miles56m
View Details
Aug 31, 20254.9t CO₂
KSDMSan Diego
KSTSSanta Rosa
525 miles1h 14m
View Details
Aug 23, 20254.2t CO₂
KCRQCarlsbad
KSTSSanta Rosa
484 miles1h 5m
View Details
Aug 13, 20254.2t CO₂
KUAOAurora
KSTSSanta Rosa
465 miles1h 4m
View Details
Jul 26, 20255.3t CO₂
KLASLas Vegas
KSTSSanta Rosa
453 miles1h 21m
View Details
May 23, 202521.8t CO₂
KGTBFort Drum
KSTSSanta Rosa
2,440 miles5h 7m
View Details
May 22, 202530.5t CO₂
EGKBBiggin Hill
KPSMPortsmouth
3,240 miles7h 7m
View Details
Apr 13, 20255.3t CO₂
KSLCSalt Lake City
KSTSSanta Rosa
597 miles1h 21m
View Details
Mar 15, 20255.7t CO₂
KHNDLas Vegas
KSTSSanta Rosa
457 miles1h 26m
View Details
Jan 14, 20252.0t CO₂
KONTOntario
KCMACamarillo
86 miles21m
View Details
Jan 14, 20254.8t CO₂
KSTSSanta Rosa
KONTOntario
423 miles1h 13m
View Details
Top Airports by Emissions
Santa Rosa

Santa Rosa

KSTS

Total CO₂

120.1t

Total Visits

20

Avg CO₂/visit

6.0t

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

Green Bay

KGRB

Total CO₂

44.1t

Total Visits

2

Avg CO₂/visit

22.1t

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

Biggin Hill

EGKB

Total CO₂

30.5t

Total Visits

1

Avg CO₂/visit

30.5t

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

Portsmouth

KPSM

Total CO₂

30.5t

Total Visits

1

Avg CO₂/visit

30.5t

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

Cascais

LPCS

Total CO₂

30.4t

Total Visits

1

Avg CO₂/visit

30.4t

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

Salt Lake City

KSLC

Total CO₂

26.3t

Total Visits

5

Avg CO₂/visit

5.3t

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

EGKB to KPSM3,242 miles

Total Flights

1

Avg CO₂/Flight

30.5t

Total Emissions

30.5t CO₂

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

KGRB to LPCS3,929 miles

Total Flights

1

Avg CO₂/Flight

30.4t

Total Emissions

30.4t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Fort Drum Santa Rosa

KGTB to KSTS2,441 miles

Total Flights

1

Avg CO₂/Flight

21.8t

Total Emissions

21.8t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Santa Rosa Salt Lake City

KSTS to KSLC597 miles

Total Flights

3

Avg CO₂/Flight

5.2t

Total Emissions

15.6t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Santa Rosa Green Bay

KSTS to KGRB1,827 miles

Total Flights

1

Avg CO₂/Flight

13.7t

Total Emissions

13.7t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Salt Lake City Santa Rosa

KSLC to KSTS597 miles

Total Flights

2

Avg CO₂/Flight

5.4t

Total Emissions

10.8t CO₂

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