N156SW
Cessna Citation Sovereign
United States
HUM (Houma-Terrebonne Airport, Houma)

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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

4.0
Tons CO2 This Month
Below Average0.2× avg for Citation Sovereign
27.6
Tons CO2 YTD
Below Average0.6× avg for Citation Sovereign
157.8
CO2 Tons Since 2025
Below Average0.6× avg for Citation Sovereign
Emissions Intensity0.01t CO₂/nmTypical1.3× avg for Citation Sovereign
144.6 tons CO2 in selected period

2026 pace: On track for approximately 83t CO₂ by year end · ↓ 36% vs full year 2025 (130t)

Flight Patterns & Behaviour

Activity broadly consistent with prior period — averaging 0.5t CO₂/month

0.5t
CO₂/month
1.7t
Avg per flight
3
Distinct routes
Highly Concentrated3 routes account for 100% of total emissions
Highest emission route
Houma → Houston
1.9t CO₂ total · 0.0068t CO₂/nm
🇺🇸United States·16202 aircraft tracked·Ranked 1st by emissions among 109 countries·0.4× 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
3
5t 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.

Activity Signals

Recent Flights
Mar 28, 20261.6t CO₂
KAUOAuburn
KHDCHammond
327 miles52m
Mar 25, 20261.8t CO₂
KHUMHouma
KSGRHouston
300 miles58m
Mar 24, 20261.9t CO₂
KHUMHouma
KTMEHouston
315 miles60m

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Top Routes by Emissions