N300NZ
Bombardier Challenger 300
United States
SYD (Sydney International Airport, Sydney)

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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

2.8
Tons CO2 This Month
Below Average0.1× avg for Challenger 300
7.0
Tons CO2 YTD
Below Average0.1× avg for Challenger 300
51.1
CO2 Tons Since 2025
Below Average0.1× avg for Challenger 300
Emissions Intensity0.01t CO₂/nmTypical0.8× avg for Challenger 300
31.8 tons CO2 in selected period

2026 pace: On track for approximately 21t CO₂ by year end · ↓ 52% vs full year 2025 (44t)

Flight Patterns & Behaviour

Activity broadly consistent with prior period — averaging 2.4t CO₂/month

2.4t
CO₂/month
2.4t
Avg per flight
9
Distinct routes
Highly Concentrated3 routes account for 76% of total emissions
Highest emission route
Sydney → Queenstown
10.5t 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
42%
19t → 27t CO₂
Intensity
5%
0.0060 → 0.0057 t CO₂/nm
New Routes
7
19t CO₂ combined
Dropped Routes
4
Prior period only
Avg per Flight
35%
3.7t → 2.4t
Flight Count
6
5 → 11 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

18t

Signals Detected

5

Highest Severity

Medium

Aircraft
Medium
New8 May – 22 May 2025
Elevated activity period · 1 flights in 14 days vs baseline of 1
Contributed approximately 5t CO₂ to period total — 19% of period emissions
Aircraft
Medium
New18 Jul – 31 Jul 2025
Elevated activity period · 3 flights in 13 days vs baseline of 0
Contributed approximately 3t CO₂ to period total — 12% of period emissions
Aircraft
Medium
Historical8 May – 22 May 2025
14-day inactive period
3.6t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical22 May – 24 Jul 2025
64-day inactive period
3.1t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical30 Jul – 7 Sept 2025
38-day inactive period
2.9t CO₂ in the 7 days following resumption
Recent Flights
Feb 23, 20263.2t CO₂
NZQNQueenstown
NZAAAuckland
636 miles1h 28m
Jan 17, 20261.0t CO₂
NZCHChristchurch
NZNSNelson
155 miles28m
Nov 16, 20255.3t CO₂
YSSYSydney
NZQNQueenstown
1,204 miles2h 16m
Nov 16, 20251.0t CO₂
YHCT
YSSYSydney
187 miles34m
View Details
Nov 15, 20251.3t CO₂
YSSYSydney
YPLI
334 miles44m
View Details
Sep 7, 20252.9t CO₂
NZAAAuckland
NZCW
622 miles1h 20m
View Details
Jul 30, 20251.0t CO₂
KSBASanta Barbara
NaN miles37m
View Details
Jul 29, 20251.0t CO₂
KSBASanta Barbara
KMRYMonterey
187 miles29m
View Details
Jul 24, 20251.1t CO₂
KTEBTeterboro
KACKNantucket
210 miles37m
View Details
May 22, 20253.6t CO₂
NZAAAuckland
NZCW
622 miles1h 36m
View Details
May 8, 20255.2t CO₂
YSSYSydney
NZQNQueenstown
1,204 miles2h 12m
View Details
Mar 8, 20253.7t CO₂
NZAAAuckland
NZCW
622 miles1h 39m
View Details
Feb 17, 20258.1t CO₂
YPADAdelaide
NZCW
1,752 miles3h 21m
View Details
Feb 14, 20254.3t CO₂
YSSYSydney
YPADAdelaide
723 miles1h 53m
View Details
Jan 23, 20251.0t CO₂
NZPH
NZCW
149 miles24m
View Details
Jan 23, 20251.5t CO₂
NZQNQueenstown
NZNSNelson
342 miles48m
View Details
Top Airports by Emissions
Queenstown

Queenstown

NZQN

Total CO₂

13.7t

Total Visits

3

Avg CO₂/visit

4.6t

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

Sydney

YSSY

Total CO₂

12.8t

Total Visits

4

Avg CO₂/visit

3.2t

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

Auckland

NZAA

Total CO₂

9.8t

Total Visits

3

Avg CO₂/visit

3.3t

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

NZCW

Total CO₂

6.5t

Total Visits

2

Avg CO₂/visit

3.3t

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

Santa Barbara

KSBA

Total CO₂

2.0t

Total Visits

2

Avg CO₂/visit

1.0t

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

YPLI

Total CO₂

1.3t

Total Visits

1

Avg CO₂/visit

1.3t

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

YSSY to NZQN1,205 miles

Total Flights

2

Avg CO₂/Flight

5.3t

Total Emissions

10.5t CO₂

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

NZAA to NZCW622 miles

Total Flights

2

Avg CO₂/Flight

3.3t

Total Emissions

6.5t CO₂

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

NZQN to NZAA637 miles

Total Flights

1

Avg CO₂/Flight

3.2t

Total Emissions

3.2t CO₂

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

YSSY to YPLI334 miles

Total Flights

1

Avg CO₂/Flight

1.3t

Total Emissions

1.3t CO₂

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

KTEB to KACK210 miles

Total Flights

1

Avg CO₂/Flight

1.1t

Total Emissions

1.1t CO₂

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

NZCH to NZNS156 miles

Total Flights

1

Avg CO₂/Flight

1.0t

Total Emissions

1t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Page 1 of 2