N278TT
Bombardier Learjet 31
United States
YKM (Yakima Air Terminal Airport, Yakima)

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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

0.0
Tons CO2 This Month
Below Average0.0× avg for Learjet 31
0.0
Tons CO2 YTD
Below Average0.0× avg for Learjet 31
53.1
CO2 Tons Since 2025
Below Average0.6× avg for Learjet 31
Emissions Intensity0.00t CO₂/nmTypical0.8× avg for Learjet 31
40.3 tons CO2 in selected period

Flight Patterns & Behaviour

Emissions up 209% vs prior period, driven by Yakima → Las Vegas

37t
Period total CO₂
2.4t
Avg per flight
15
Flights
Diverse Network3 routes account for 37% of total emissions
Highest emission route
Yakima → Las Vegas
4.9t CO₂ total · 0.0073t 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
209%
12t → 37t CO₂
Intensity
13%
0.0053 → 0.0046 t CO₂/nm
New Routes
12
32t CO₂ combined
Dropped Routes
5
Prior period only
Avg per Flight
65%
1.5t → 2.4t
Flight Count
7
8 → 15 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

30t

Signals Detected

5

Highest Severity

Medium

Aircraft
Medium
New25 Jul – 31 Jul 2025
Elevated activity period · 3 flights in 6 days vs baseline of 1
Contributed approximately 6t CO₂ to period total — 16% of period emissions
Aircraft
Medium
New4 Sept – 10 Sept 2025
Elevated activity period · 1 flights in 6 days vs baseline of 1
Contributed approximately 5t CO₂ to period total — 13% of period emissions
Aircraft
Medium
Historical27 Jul – 21 Aug 2025
25-day inactive period
3.3t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical21 Aug – 9 Sept 2025
19-day inactive period
9.7t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical10 Sept – 16 Oct 2025
36-day inactive period
6.4t CO₂ in the 7 days following resumption
Recent Flights
Dec 20, 20250.7t CO₂
KNENJacksonville
KVNCVenice
229 miles40m
Dec 20, 20252.8t CO₂
KBUFBuffalo
KJAXJacksonville
875 miles1h 55m
Nov 18, 20253.9t CO₂
KTPATampa
KBUFBuffalo
1,055 miles2h 31m
Nov 15, 20250.6t CO₂
KTPATampa
KEYWKey West
241 miles37m
View Details
Nov 15, 20252.4t CO₂
KTZRColumbus
KTPATampa
824 miles1h 39m
View Details
Nov 15, 20250.9t CO₂
KBUFBuffalo
KCMHColumbus
296 miles48m
View Details
Oct 16, 20253.5t CO₂
KTORTorrington
KBUFBuffalo
1,291 miles2h 17m
View Details
Oct 16, 20252.9t CO₂
KHIOPortland
KTORTorrington
964 miles1h 58m
View Details
Sep 10, 20250.5t CO₂
KYKMYakima
KTIWTacoma
107 miles20m
View Details
Sep 10, 20254.2t CO₂
KHNDLas Vegas
KYKMYakima
783 miles2h 42m
View Details
Sep 9, 20254.9t CO₂
KYKMYakima
KHNDLas Vegas
783 miles3h 8m
View Details
Aug 21, 20253.3t CO₂
KYKMYakima
KTIWTacoma
107 miles2h 12m
View Details
Jul 27, 20250.5t CO₂
KYKMYakima
KTIWTacoma
107 miles24m
View Details
Jul 27, 20252.6t CO₂
KLASLas Vegas
KYKMYakima
775 miles1h 46m
View Details
Jul 25, 20252.9t CO₂
KYKMYakima
KLASLas Vegas
775 miles1h 58m
View Details
Apr 30, 20250.5t CO₂
KYKMYakima
KTIWTacoma
107 miles24m
View Details
Apr 27, 20250.5t CO₂
KYKMYakima
KTIWTacoma
107 miles28m
View Details
Apr 23, 20252.8t CO₂
KYKMYakima
KIFPBullhead City
846 miles1h 54m
View Details
Apr 22, 20253.2t CO₂
KHIOPortland
KTIWTacoma
121 miles2h 6m
View Details
Feb 21, 20253.2t CO₂
KYKMYakima
KLGFYuma Proving Ground(Yuma)
1,000 miles2h 7m
View Details
Jan 28, 20250.5t CO₂
KYKMYakima
KTIWTacoma
107 miles23m
View Details
Jan 28, 20250.5t CO₂
KYKMYakima
KCOECoeur d'Alene
194 miles30m
View Details
Jan 28, 20250.5t CO₂
KTIWTacoma
KYKMYakima
107 miles24m
View Details
Top Airports by Emissions
Yakima

Yakima

KYKM

Total CO₂

19.0t

Total Visits

7

Avg CO₂/visit

2.7t

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

Buffalo

KBUF

Total CO₂

11.1t

Total Visits

4

Avg CO₂/visit

2.8t

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

Las Vegas

KHND

Total CO₂

9.1t

Total Visits

2

Avg CO₂/visit

4.6t

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

Tampa

KTPA

Total CO₂

6.8t

Total Visits

3

Avg CO₂/visit

2.3t

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

Torrington

KTOR

Total CO₂

6.4t

Total Visits

2

Avg CO₂/visit

3.2t

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

Las Vegas

KLAS

Total CO₂

5.5t

Total Visits

2

Avg CO₂/visit

2.7t

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Page 1 of 3
Top Routes by Emissions
Yakima Las Vegas

KYKM to KHND783 miles

Total Flights

1

Avg CO₂/Flight

4.9t

Total Emissions

4.9t CO₂

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

KYKM to KTIW107 miles

Total Flights

3

Avg CO₂/Flight

1.5t

Total Emissions

4.4t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Las Vegas Yakima

KHND to KYKM783 miles

Total Flights

1

Avg CO₂/Flight

4.2t

Total Emissions

4.2t CO₂

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

KTPA to KBUF1,056 miles

Total Flights

1

Avg CO₂/Flight

3.9t

Total Emissions

3.9t CO₂

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

KTOR to KBUF1,291 miles

Total Flights

1

Avg CO₂/Flight

3.5t

Total Emissions

3.5t CO₂

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

KHIO to KTOR965 miles

Total Flights

1

Avg CO₂/Flight

2.9t

Total Emissions

2.9t CO₂

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