N631TS
Cessna Citation SII
United States
HSH (Henderson Executive Airport, Las Vegas)

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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 increasing vs prior period

Emissions Overview

2.5
Tons CO2 This Month
Below Average0.6× avg for Citation SII
5.8
Tons CO2 YTD
Below Average0.5× avg for Citation SII
27.1
CO2 Tons Since 2025
Below Average0.4× avg for Citation SII
Emissions Intensity0.01t CO₂/nmTypical0.8× avg for Citation SII
16.2 tons CO2 in selected period

2026 pace: On track for approximately 17t CO₂ by year end · ↓ 18% vs full year 2025 (21t)

Flight Patterns & Behaviour

Activity broadly consistent with prior period — averaging 1.3t CO₂/month

1.3t
CO₂/month
2.1t
Avg per flight
5
Distinct routes
Highly Concentrated3 routes account for 90% of total emissions
Highest emission route
Las Vegas → Salinas
9.4t CO₂ total · 0.0099t CO₂/nm
🇺🇸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
43%
10t → 15t CO₂
Intensity
3%
0.0084 → 0.0087 t CO₂/nm
New Routes
4
13t CO₂ combined
Dropped Routes
5
Prior period only
Avg per Flight
2%
2.1t → 2.1t
Flight Count
2
5 → 7 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

20t

Signals Detected

5

Highest Severity

High

Emissions
High
New5 Dec 2025 · Las Vegas → Salinas
Highest single-flight emission event (Las Vegas → Salinas)
Single flight: 6.3t CO₂ — 43% of period emissions
Aircraft
High
New5 Dec – 11 Dec 2025
Elevated activity period · 2 flights in 6 days vs baseline of 1
Contributed approximately 8t CO₂ to period total — 54% of period emissions
Aircraft
Medium
Historical14 Dec 2025 – 2 Jan 2026
20-day inactive period
0.9t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical2 Jan – 20 Jan 2026
18-day inactive period
0.5t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical20 Jan – 20 Feb 2026
30-day inactive period
4.0t CO₂ in the 7 days following resumption
Recent Flights
Feb 23, 20262.0t CO₂
KSNSSalinas
KSUNHailey
610 miles1h 28m
Feb 20, 20262.0t CO₂
KSNSSalinas
NaN miles1h 25m
Jan 20, 20260.5t CO₂
KSJCSan Jose
KCVHHollister
44 miles14m
Jan 2, 20260.9t CO₂
KRNOReno
KSNSSalinas
220 miles50m
View Details
Dec 14, 20251.4t CO₂
KHNDLas Vegas
KSNSSalinas
363 miles1h 6m
View Details
Dec 9, 20251.7t CO₂
KHNDLas Vegas
KSNSSalinas
363 miles1h 15m
View Details
Dec 5, 20256.3t CO₂
KHNDLas Vegas
KSNSSalinas
363 miles3h 58m
View Details
Apr 27, 20253.2t CO₂
KHNDLas Vegas
KKICKing City
334 miles2h 8m
View Details
Mar 24, 20251.2t CO₂
KSANSan Diego
KKICKing City
329 miles1h 0m
View Details
Mar 20, 20252.6t CO₂
KSEZSedona
KKICKing City
533 miles1h 48m
View Details
Feb 19, 20250.7t CO₂
KRNOReno
KCVHHollister
201 miles42m
View Details
Jan 4, 20252.6t CO₂
KSNSSalinas
KCVHHollister
19 miles1h 48m
View Details
Top Airports by Emissions
Salinas

Salinas

KSNS

Total CO₂

14.3t

Total Visits

6

Avg CO₂/visit

2.4t

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

Las Vegas

KHND

Total CO₂

9.4t

Total Visits

3

Avg CO₂/visit

3.1t

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

Hailey

KSUN

Total CO₂

2.0t

Total Visits

1

Avg CO₂/visit

2.0t

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

Reno

KRNO

Total CO₂

0.9t

Total Visits

1

Avg CO₂/visit

0.9t

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

San Jose

KSJC

Total CO₂

0.5t

Total Visits

1

Avg CO₂/visit

0.5t

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

Hollister

KCVH

Total CO₂

0.5t

Total Visits

1

Avg CO₂/visit

0.5t

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