N420CH
Cessna Citation CJ3
United States
HIO (Portland-Hillsboro Airport, Portland)

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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

2.6
Tons CO2 This Month
Below Average0.2× avg for Citation CJ3
6.9
Tons CO2 YTD
Below Average0.2× avg for Citation CJ3
105.1
CO2 Tons Since 2025
Below Average0.5× avg for Citation CJ3
Emissions Intensity0.00t CO₂/nmTypical0.8× avg for Citation CJ3
80.1 tons CO2 in selected period

2026 pace: On track for approximately 21t CO₂ by year end · ↓ 79% vs full year 2025 (98t)

Flight Patterns & Behaviour

Activity broadly consistent with prior period — averaging 0.2t CO₂/month

0.2t
CO₂/month
0.6t
Avg per flight
3
Distinct routes
Highly Concentrated3 routes account for 100% of total emissions
Highest emission route
Seattle → Portland
0.6t CO₂ total · 0.0049t CO₂/nm
🇺🇸United States·16202 aircraft tracked·Ranked 1st by emissions among 109 countries·0.3× 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
2t 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 15, 20260.5t CO₂
KHIOPortland
KBFISeattle
141 miles34m
Mar 11, 20260.6t CO₂
KBFISeattle
KHIOPortland
141 miles37m
Mar 9, 20260.5t CO₂
KAWOArlington
KBFISeattle
44 miles19m

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