N678HB
Bombardier Challenger 300
United States
APA (Arapahoe County Airport, Denver)

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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 Challenger 300
0.0
Tons CO2 YTD
Below Average0.0× avg for Challenger 300
40.8
CO2 Tons Since 2025
Below Average0.1× avg for Challenger 300
Emissions Intensity0.01t CO₂/nmTypical0.8× avg for Challenger 300
37.3 tons CO2 in selected period

Flight Patterns & Behaviour

Activity broadly consistent with prior period — averaging 3.0t CO₂/month

3.0t
CO₂/month
4.5t
Avg per flight
7
Distinct routes
Moderately Concentrated3 routes account for 68% of total emissions
Highest emission route
Bedford → UNK
10.2t CO₂ total
🇺🇸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
Prior data unavailable
Intensity
Prior data unavailable
New Routes
5
24t 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.

Spikes

Significant deviations from this aircraft's baseline in the selected period.

CO₂ Above Baseline

50t

Signals Detected

5

Highest Severity

High

Emissions
Medium
New30 Aug 2025 · Unknown route
Highest single-flight emission event
Single flight: 10.2t CO₂ — 28% of period emissions
Aircraft
Medium
New2 Jun – 15 Jun 2025
Elevated activity period · 2 flights in 13 days vs baseline of 1
Contributed approximately 8t CO₂ to period total — 21% of period emissions
Aircraft
High
New2 Jul – 24 Jul 2025
Elevated activity period · 3 flights in 22 days vs baseline of 1
Contributed approximately 15t CO₂ to period total — 43% of period emissions
Aircraft
Medium
Historical14 Jun – 8 Jul 2025
23-day inactive period
6.5t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical23 Jul – 30 Aug 2025
38-day inactive period
10.2t CO₂ in the 7 days following resumption
Recent Flights
Dec 17, 20251.0t CO₂
KAPADenver
KHDNHayden
140 miles30m
Sep 22, 20251.9t CO₂
KDALDallas
NaN miles56m
Aug 30, 202510.2t CO₂
KBEDBedford
NaN miles4h 10m
Jul 23, 20251.0t CO₂
KAPADenver
KHDNHayden
140 miles23m
View Details
Jul 17, 20258.0t CO₂
KPHXPhoenix
MMTBTuxtla Gutiérrez
1,642 miles3h 19m
View Details
Jul 8, 20256.5t CO₂
CYYZToronto
KOPFMiami
1,228 miles2h 42m
View Details
Jun 14, 20253.9t CO₂
KAVLAsheville
CYULMontreal
831 miles1h 44m
View Details
Jun 2, 20253.7t CO₂
KAVLAsheville
KFRGFarmingdale
615 miles1h 38m
View Details
Jan 24, 20253.5t CO₂
KTMBMiami
NaN miles1h 34m
View Details
Top Airports by Emissions
Bedford

Bedford

KBED

Total CO₂

10.2t

Total Visits

1

Avg CO₂/visit

10.2t

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

Phoenix

KPHX

Total CO₂

8.0t

Total Visits

1

Avg CO₂/visit

8.0t

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

Tuxtla Gutiérrez

MMTB

Total CO₂

8.0t

Total Visits

1

Avg CO₂/visit

8.0t

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

Asheville

KAVL

Total CO₂

7.6t

Total Visits

2

Avg CO₂/visit

3.8t

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

Toronto

CYYZ

Total CO₂

6.5t

Total Visits

1

Avg CO₂/visit

6.5t

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

Miami

KOPF

Total CO₂

6.5t

Total Visits

1

Avg CO₂/visit

6.5t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Page 1 of 2
Top Routes by Emissions
Phoenix Tuxtla Gutiérrez

KPHX to MMTB1,643 miles

Total Flights

1

Avg CO₂/Flight

8.0t

Total Emissions

8t CO₂

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

CYYZ to KOPF1,229 miles

Total Flights

1

Avg CO₂/Flight

6.5t

Total Emissions

6.5t CO₂

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

KAVL to CYUL831 miles

Total Flights

1

Avg CO₂/Flight

3.9t

Total Emissions

3.9t CO₂

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

KAVL to KFRG616 miles

Total Flights

1

Avg CO₂/Flight

3.7t

Total Emissions

3.7t CO₂

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

KAPA to KHDN140 miles

Total Flights

2

Avg CO₂/Flight

1.0t

Total Emissions

1.9t CO₂

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