Airports / Sibley Municipal Airport

Sibley Municipal Airport(KISB)

Sibley, United States

Last updated: Mar 25, 2026

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Viewing period:
Compared to: preceding 12 months · Apr 2024 – Apr 2025
Apr 2025 – Mar 2026·vs Apr 2024 – Apr 2025

Activity Summary

76.8
Tons CO2 Total
3.1
Avg CO2/Flight
29
Flights Total
Emissions Intensity0.01t CO₂/nm
43.2 tons CO2 in selected period

Airport Patterns

Emissions up 332% vs prior period — significantly busier than prior period

43t
Total CO₂
3.1t
Avg CO₂/flight
29
Flights
Operator Profile

Charter/owner classification not available for this airport's flights

Emissions
>300%
14t → 77t CO₂
CO₂ Intensity
38%
5.0t → 3.1t per departure
Flight Count
Prior data incomplete
New Routes
24
75t CO₂ combined
Dropped Routes
2
Prior period only
New Aircraft
23
23 new tail numbers
Top Destinations
Santa Ana8.8t CO₂
1 flight · avg 8.8t/flight
Driggs7.7t CO₂
1 flight · avg 7.7t/flight
Las Vegas5.1t CO₂
1 flight · avg 5.1t/flight
Bozeman5.0t CO₂
1 flight · avg 5.0t/flight
Niagara Falls3.2t CO₂
1 flight · avg 3.2t/flight

Spikes

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

CO₂ Above Baseline

46t

Signals Detected

5

Highest Severity

High

HighMay 31, 2025 – Jun 6, 2025

Elevated activity May 31, 2025 – Jun 6, 2025 — 2 flights in 7 days vs baseline of 1

2 flights recorded in a 7-day window, exceeding the airport baseline of 1 flights per week by 253%.

0.5t CO₂

HighJun 8, 2025 – Jun 14, 2025

Elevated activity Jun 8, 2025 – Jun 14, 2025 — 3 flights in 7 days vs baseline of 1

3 flights recorded in a 7-day window, exceeding the airport baseline of 1 flights per week by 430%.

1.1t CO₂

HighJun 25, 2025 – Jul 1, 2025

Elevated activity Jun 25, 2025 – Jul 1, 2025 — 2 flights in 7 days vs baseline of 1

2 flights recorded in a 7-day window, exceeding the airport baseline of 1 flights per week by 253%.

21.8t CO₂

HighJun 28, 2025

Single high-emission departure N453FX → KISB on Jun 28, 2025 — 21.8t CO₂, 100% of day's total

Aircraft N453FX departing to KISB produced 21.8t CO₂, representing 100% of all airport emissions on Jun 28, 2025.

21.8t CO₂

LowApr 23, 2025 – May 8, 2025

15-day gap in recorded activity ending May 8, 2025

Airport had 15 consecutive days with zero recorded flights before activity resumed on May 8, 2025.

0.6t CO₂

Route Map

Top Routes by Emissions
SibleySanta Ana

KISB to KSNA · 1,364 miles

Total Flights

1

Avg CO₂/Flight

8.8t

Total Emissions

8.8t CO₂

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

KISB to KDIJ · 768 miles

Total Flights

1

Avg CO₂/Flight

7.7t

Total Emissions

7.7t CO₂

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

KISB to KLAS · 1,143 miles

Total Flights

1

Avg CO₂/Flight

5.1t

Total Emissions

5.1t CO₂

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

KISB to KBZN · 774 miles

Total Flights

1

Avg CO₂/Flight

5.0t

Total Emissions

5.0t CO₂

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

KISB to KIAG · 845 miles

Total Flights

1

Avg CO₂/Flight

3.2t

Total Emissions

3.2t CO₂

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

KISB to KAPA · 539 miles

Total Flights

1

Avg CO₂/Flight

3.2t

Total Emissions

3.2t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
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Aircraft Using This Airport
View All Aircraft
N546FXCharter·Bombardier Challenger 350
8.8t CO₂ · avg 8.8t/visit · 1 visit · Last seen 6 Aug 2025
N450QSCharter·Gulfstream GIV
7.7t CO₂ · avg 3.8t/visit · 2 visits · Last seen 25 Mar 2026
N425GSCharter·Bombardier Learjet 60
5.1t CO₂ · avg 5.1t/visit · 1 visit · Last seen 17 Nov 2025
N1897ACharter·Bombardier Challenger 300
5.0t CO₂ · avg 5.0t/visit · 1 visit · Last seen 19 Dec 2025
N224MZCharter·Gulfstream G200
3.2t CO₂ · avg 3.2t/visit · 1 visit · Last seen 30 Aug 2025
N829QSCharter·Cessna Citation Longitude
3.2t CO₂ · avg 3.2t/visit · 1 visit · Last seen 12 Jul 2025
N397FXCharter·Embraer Phenom 300
2.6t CO₂ · avg 2.6t/visit · 1 visit · Last seen 27 Dec 2025
N745JSCharter·Cessna Citation CJ2
2.2t CO₂ · avg 2.2t/visit · 1 visit · Last seen 28 Dec 2025
N539QSCharter·Cessna Citation Latitude
1.8t CO₂ · avg 1.8t/visit · 1 visit · Last seen 21 Sept 2025
N542QSCharter·Cessna Citation Latitude
1.7t CO₂ · avg 1.7t/visit · 1 visit · Last seen 25 Nov 2025
Page 1 of 3

Recent Flights

10 total flights recorded

Showing most recent flights — not filtered by viewing period