N657DJ
Bombardier Learjet 55
United States
FRG (Republic Airport, Farmingdale)

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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 decreasing vs prior period

Emissions Overview

12.8
Tons CO2 This Month
Above Average3.0× avg for Learjet 55
12.8
Tons CO2 YTD
Typical1.1× avg for Learjet 55
35.8
CO2 Tons Since 2025
Below Average0.4× avg for Learjet 55
Emissions Intensity0.01t CO₂/nmBelow Average0.7× avg for Learjet 55
16.5 tons CO2 in selected period

2026 pace: On track for approximately 51t CO₂ by year end · ↑ 123% vs full year 2025 (23t)

Flight Patterns & Behaviour

Activity broadly consistent with prior period — averaging 0.8t CO₂/month

0.8t
CO₂/month
3.1t
Avg per flight
3
Distinct routes
Highly Concentrated3 routes account for 100% of total emissions
Highest emission route
Farmingdale → Daytona Beach
4.0t CO₂ total · 0.0050t 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
45%
17t → 9t CO₂
Intensity
8%
0.0044 → 0.0047 t CO₂/nm
New Routes
3
9t CO₂ combined
Dropped Routes
4
Prior period only
Avg per Flight
27%
4.3t → 3.1t
Flight Count
1
4 → 3 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

8t

Signals Detected

2

Highest Severity

High

Emissions
High
New19 Mar 2026 · Farmingdale → Daytona Beach
Highest single-flight emission event (Farmingdale → Daytona Beach)
Single flight: 4.0t CO₂ — 42% of period emissions
Aircraft
Medium
Historical7 Sept 2025 – 19 Mar 2026
193-day inactive period
4.0t CO₂ in the 7 days following resumption
Recent Flights
Mar 29, 20261.7t CO₂
KJZIJohns Island
KPIESt Petersburg-Clearwater
367 miles1h 6m
Mar 19, 20264.0t CO₂
KFRGFarmingdale
KDABDaytona Beach
906 miles2h 7m
Sep 7, 20253.7t CO₂
KPIESt Petersburg-Clearwater
KFRGFarmingdale
1,030 miles2h 1m
Jan 26, 20253.8t CO₂
KSTPSaint Paul
KFRGFarmingdale
1,033 miles2h 1m
View Details
Jan 23, 20255.8t CO₂
KSAASaratoga
KFRGFarmingdale
1,728 miles2h 57m
View Details
Jan 22, 20252.7t CO₂
KANEMinneapolis
KSAASaratoga
729 miles1h 33m
View Details
Jan 22, 20254.9t CO₂
KFRGFarmingdale
KSTPSaint Paul
1,033 miles2h 31m
View Details
Top Airports by Emissions
Top Routes by Emissions
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