N91MB
Cessna Citation Mustang
United States
BIL (Logan International Airport, Billings)

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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 increasing vs prior period

Emissions Overview

0.5
Tons CO2 This Month
Below Average0.2× avg for Citation Mustang
6.8
Tons CO2 YTD
Typical0.8× avg for Citation Mustang
48.7
CO2 Tons Since 2025
Typical0.9× avg for Citation Mustang
Emissions Intensity0.00t CO₂/nmTypical0.8× avg for Citation Mustang
32.1 tons CO2 in selected period

2026 pace: On track for approximately 27t CO₂ by year end · ↓ 35% vs full year 2025 (42t)

Flight Patterns & Behaviour

Emissions up 91% vs prior period, driven by Tucson → Missoula

29t
Period total CO₂
1.2t
Avg per flight
25
Flights
Diverse Network3 routes account for 34% of total emissions
Highest emission route
Tucson → Missoula
3.5t CO₂ total · 0.0039t CO₂/nm

Seasonal pattern: Historically peaks in December · Current month is 93% below March 2025

🇺🇸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
91%
15t → 29t CO₂
Intensity
16%
0.0040 → 0.0033 t CO₂/nm
New Routes
18
28t CO₂ combined
Dropped Routes
5
Prior period only
Avg per Flight
39%
1.9t → 1.2t
Flight Count
17
8 → 25 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

6t

Signals Detected

5

Highest Severity

Medium

Aircraft
Medium
New6 May – 23 May 2025
Elevated activity period · 3 flights in 17 days vs baseline of 1
Contributed approximately 1t CO₂ to period total — 3% of period emissions
Aircraft
Medium
New11 Aug – 17 Aug 2025
Elevated activity period · 1 flights in 6 days vs baseline of 0
Contributed approximately 0t CO₂ to period total — 1% of period emissions
Aircraft
Medium
New16 Oct – 22 Oct 2025
Elevated activity period · 2 flights in 6 days vs baseline of 0
Contributed approximately 2t CO₂ to period total — 7% of period emissions
Aircraft
Medium
Historical7 May – 22 May 2025
15-day inactive period
0.5t CO₂ in the 7 days following resumption
Aircraft
Medium
Historical23 May – 11 Aug 2025
80-day inactive period
2.4t CO₂ in the 7 days following resumption
Recent Flights
Mar 24, 20260.6t CO₂
KMSOMissoula
KBOIBoise
254 miles55m
Feb 27, 20260.4t CO₂
KMSOMissoula
KBILBillings
275 miles43m
Feb 13, 20260.5t CO₂
KHNDLas Vegas
KSDLScottsdale
245 miles53m
Feb 10, 20260.5t CO₂
KBILBillings
KMSOMissoula
275 miles49m
View Details
Jan 21, 20262.0t CO₂
KBILBillings
KBOIBoise
408 miles2h 25m
View Details
Jan 19, 20261.5t CO₂
KBILBillings
KMKTMankato
721 miles1h 57m
View Details
Jan 16, 20260.3t CO₂
KGEGSpokane
KMSOMissoula
168 miles26m
View Details
Jan 13, 20260.6t CO₂
KBFISeattle
NaN miles54m
View Details
Dec 21, 20253.5t CO₂
KTUSTucson
KMSOMissoula
1,035 miles4h 5m
View Details
Dec 20, 20252.7t CO₂
KFSDSioux Falls
KMSOMissoula
872 miles3h 16m
View Details
Dec 19, 20250.4t CO₂
KPAHPaducah
KMQYSmyrna
145 miles41m
View Details
Dec 17, 20253.0t CO₂
KEKMElkhart
KTMEHouston
991 miles3h 35m
View Details
Dec 15, 20251.4t CO₂
KIABWichita
KEKMElkhart
661 miles1h 46m
View Details
Dec 15, 20251.8t CO₂
KFFZMesa
KICTWichita
852 miles2h 18m
View Details
Nov 13, 20251.6t CO₂
KHNDLas Vegas
KMSOMissoula
757 miles2h 4m
View Details
Oct 22, 20250.4t CO₂
KBILBillings
KMSOMissoula
275 miles43m
View Details
Oct 20, 20251.5t CO₂
KBILBillings
KMKTMankato
721 miles1h 58m
View Details
Sep 27, 20250.8t CO₂
KSLCSalt Lake City
KMSOMissoula
436 miles1h 9m
View Details
Sep 11, 20252.4t CO₂
KBILBillings
KMSOMissoula
275 miles2h 53m
View Details
Aug 17, 20250.4t CO₂
KBILBillings
NaN miles44m
View Details
Aug 11, 20252.0t CO₂
KBILBillings
KSFFSpokane
435 miles2h 27m
View Details
May 23, 20250.3t CO₂
KPSCPasco
NaN miles28m
View Details
May 22, 20250.3t CO₂
KPSCPasco
KLWSLewiston
101 miles24m
View Details
May 7, 20250.3t CO₂
KGEGSpokane
KTHMThompson Falls
105 miles16m
View Details
May 6, 20250.3t CO₂
KGEGSpokane
KTHMThompson Falls
105 miles17m
View Details
Mar 3, 20253.4t CO₂
KFYVFayetteville
KMSOMissoula
1,271 miles3h 57m
View Details
Mar 2, 20252.7t CO₂
KTPATampa
KFYVFayetteville
877 miles3h 11m
View Details
Mar 2, 20251.5t CO₂
MWCRGeorge Town
KTPATampa
604 miles1h 57m
View Details
Feb 25, 20252.5t CO₂
KJZIJohns Island
MWCRGeorge Town
929 miles3h 3m
View Details
Feb 12, 20250.3t CO₂
KPSCPasco
NaN miles29m
View Details
Jan 31, 20252.0t CO₂
KAVQMarana
NaN miles2h 27m
View Details
Jan 25, 20250.7t CO₂
KFSDSioux Falls
NaN miles1h 4m
View Details
Jan 25, 20252.2t CO₂
KMQYSmyrna
KFSDSioux Falls
752 miles2h 41m
View Details
Top Airports by Emissions
Missoula

Missoula

KMSO

Total CO₂

13.1t

Total Visits

10

Avg CO₂/visit

1.3t

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

Billings

KBIL

Total CO₂

11.0t

Total Visits

9

Avg CO₂/visit

1.2t

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

Elkhart

KEKM

Total CO₂

4.4t

Total Visits

2

Avg CO₂/visit

2.2t

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

Tucson

KTUS

Total CO₂

3.5t

Total Visits

1

Avg CO₂/visit

3.5t

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

Mankato

KMKT

Total CO₂

3.1t

Total Visits

2

Avg CO₂/visit

1.5t

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

Houston

KTME

Total CO₂

3.0t

Total Visits

1

Avg CO₂/visit

3.0t

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Page 1 of 4
Top Routes by Emissions
Tucson Missoula

KTUS to KMSO1,036 miles

Total Flights

1

Avg CO₂/Flight

3.5t

Total Emissions

3.5t CO₂

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

KBIL to KMSO275 miles

Total Flights

3

Avg CO₂/Flight

1.1t

Total Emissions

3.2t CO₂

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

KBIL to KMKT722 miles

Total Flights

2

Avg CO₂/Flight

1.5t

Total Emissions

3.1t CO₂

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

KEKM to KTME992 miles

Total Flights

1

Avg CO₂/Flight

3.0t

Total Emissions

3t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Sioux Falls Missoula

KFSD to KMSO873 miles

Total Flights

1

Avg CO₂/Flight

2.7t

Total Emissions

2.7t CO₂

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

KBIL to KSFF435 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
Page 1 of 3