N204RT
Bombardier Learjet 31
United States
CLD (McClellan-Palomar Airport, Carlsbad)

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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 Learjet 31
17.7
Tons CO2 YTD
Typical1.1× avg for Learjet 31
27.5
CO2 Tons Since 2025
Below Average0.3× avg for Learjet 31
Emissions Intensity0.00t CO₂/nmBelow Average0.7× avg for Learjet 31
27.5 tons CO2 in selected period

2026 pace: On track for approximately 71t CO₂ by year end · ↑ 622% vs full year 2025 (10t)

Flight Patterns & Behaviour

Activity broadly consistent with prior period — averaging 2.1t CO₂/month

2.1t
CO₂/month
1.5t
Avg per flight
16
Distinct routes
Moderately Concentrated3 routes account for 58% of total emissions
Highest emission route
Santa Maria → Gainesville
8.1t CO₂ total · 0.0041t 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
Prior data unavailable
Intensity
Prior data unavailable
New Routes
15
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

14t

Signals Detected

5

Highest Severity

Medium

Emissions
Medium
New17 Feb 2026 · Santa Maria → Gainesville
Highest single-flight emission event (Santa Maria → Gainesville)
Single flight: 8.1t CO₂ — 32% of period emissions
Aircraft
Medium
New10 Apr – 16 Apr 2025
Elevated activity period · 1 flights in 6 days vs baseline of 0
Contributed approximately 1t CO₂ to period total — 3% of period emissions
Aircraft
Medium
New12 Jun – 2 Jul 2025
Elevated activity period · 2 flights in 20 days vs baseline of 1
Contributed approximately 1t CO₂ to period total — 6% of period emissions
Aircraft
Medium
New25 Jul – 7 Aug 2025
Elevated activity period · 3 flights in 13 days vs baseline of 1
Contributed approximately 3t CO₂ to period total — 11% of period emissions
Aircraft
Medium
Historical10 Apr – 18 Jun 2025
69-day inactive period
0.9t CO₂ in the 7 days following resumption
Recent Flights
Feb 20, 20260.5t CO₂
KSMXSanta Maria
KCRQCarlsbad
219 miles35m
Feb 20, 20262.0t CO₂
KPHXPhoenix
KSMXSanta Maria
494 miles1h 26m
Feb 20, 20264.5t CO₂
KRBDDallas
KPHXPhoenix
876 miles2h 52m
Feb 17, 20268.1t CO₂
KSMXSanta Maria
KGNVGainesville
2,244 miles4h 56m
View Details
Feb 16, 20260.7t CO₂
KCRQCarlsbad
KSMXSanta Maria
219 miles42m
View Details
Dec 20, 20250.5t CO₂
KSEESan Diego/El Cajon
KCRQCarlsbad
27 miles10m
View Details
Dec 19, 20250.8t CO₂
KCRQCarlsbad
KMMHMammoth Lakes
323 miles45m
View Details
Dec 12, 20250.5t CO₂
KCNOChino
KCRQCarlsbad
62 miles20m
View Details
Nov 21, 20250.5t CO₂
KCRQCarlsbad
KCNOChino
62 miles20m
View Details
Oct 8, 20250.5t CO₂
KCRQCarlsbad
KHIILake Havasu City
195 miles27m
View Details
Oct 2, 20251.5t CO₂
KCRQCarlsbad
KSTSSanta Rosa
484 miles1h 7m
View Details
Aug 1, 20251.0t CO₂
KSDLScottsdale
KCRQCarlsbad
311 miles51m
View Details
Jul 31, 20250.5t CO₂
KSDLScottsdale
KTUSTucson
118 miles29m
View Details
Jul 31, 20251.1t CO₂
KCRQCarlsbad
KSDLScottsdale
311 miles54m
View Details
Jul 2, 20250.5t CO₂
KCRQCarlsbad
NaN miles34m
View Details
Jun 18, 20250.9t CO₂
KCRQCarlsbad
KMMHMammoth Lakes
323 miles46m
View Details
Apr 10, 20250.6t CO₂
KCRQCarlsbad
KBIHBishop
300 miles39m
View Details
Top Airports by Emissions
Santa Maria

Santa Maria

KSMX

Total CO₂

11.3t

Total Visits

4

Avg CO₂/visit

2.8t

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

Carlsbad

KCRQ

Total CO₂

9.9t

Total Visits

13

Avg CO₂/visit

0.8t

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

Gainesville

KGNV

Total CO₂

8.1t

Total Visits

1

Avg CO₂/visit

8.1t

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

Phoenix

KPHX

Total CO₂

6.5t

Total Visits

2

Avg CO₂/visit

3.2t

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

Dallas

KRBD

Total CO₂

4.5t

Total Visits

1

Avg CO₂/visit

4.5t

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

Scottsdale

KSDL

Total CO₂

2.6t

Total Visits

3

Avg CO₂/visit

0.9t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Page 1 of 3
Top Routes by Emissions
Santa Maria Gainesville

KSMX to KGNV2,245 miles

Total Flights

1

Avg CO₂/Flight

8.1t

Total Emissions

8.1t CO₂

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

KRBD to KPHX877 miles

Total Flights

1

Avg CO₂/Flight

4.5t

Total Emissions

4.5t CO₂

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

KPHX to KSMX494 miles

Total Flights

1

Avg CO₂/Flight

2.0t

Total Emissions

2t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Carlsbad Mammoth Lakes

KCRQ to KMMH323 miles

Total Flights

2

Avg CO₂/Flight

0.9t

Total Emissions

1.7t CO₂

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

KCRQ to KSTS484 miles

Total Flights

1

Avg CO₂/Flight

1.5t

Total Emissions

1.5t CO₂

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

KCRQ to KSDL312 miles

Total Flights

1

Avg CO₂/Flight

1.1t

Total Emissions

1.1t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Page 1 of 3