Airports / Mountain Empire Airport

Mountain Empire Airport(KMKJ)

Rural Retreat, United States

Last updated: Mar 27, 2026

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

Activity Summary

174.5
Tons CO2 Total
2.3
Avg CO2/Flight
81
Flights Total
Emissions Intensity0.01t CO₂/nm
138.1 tons CO2 in selected period

Airport Patterns

Emissions up 329% vs prior period — significantly busier than prior period

138t
Total CO₂
2.3t
Avg CO₂/flight
81
Flights
Operator Profile

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

Emissions
>300%
42t → 175t CO₂
CO₂ Intensity
7%
2.5t → 2.3t per departure
Flight Count
58
23 → 81 flights
New Routes
50
160t CO₂ combined
Dropped Routes
13
Prior period only
New Aircraft
69
69 new tail numbers
Top Destinations
Knoxville19.7t CO₂
4 flights · avg 4.9t/flight
Los Banos11.0t CO₂
1 flight · avg 11.0t/flight
Aspen9.0t CO₂
1 flight · avg 9.0t/flight
1 flight · avg 8.5t/flight
Houston5.7t CO₂
1 flight · avg 5.7t/flight

Spikes

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

CO₂ Above Baseline

44t

Signals Detected

5

Highest Severity

High

MediumMay 16, 2025 – May 22, 2025

Elevated activity May 16, 2025 – May 22, 2025 — 4 flights in 7 days vs baseline of 2

4 flights recorded in a 7-day window, exceeding the airport baseline of 2 flights per week by 131%.

10.3t CO₂

MediumJun 11, 2025 – Jun 17, 2025

Elevated activity Jun 11, 2025 – Jun 17, 2025 — 4 flights in 7 days vs baseline of 2

4 flights recorded in a 7-day window, exceeding the airport baseline of 2 flights per week by 131%.

5.4t CO₂

MediumJun 26, 2025 – Jul 2, 2025

Elevated activity Jun 26, 2025 – Jul 2, 2025 — 4 flights in 7 days vs baseline of 2

4 flights recorded in a 7-day window, exceeding the airport baseline of 2 flights per week by 131%.

6.5t CO₂

HighJul 12, 2025

Single high-emission departure N551CB → KTYS on Jul 12, 2025 — 17.8t CO₂, 100% of day's total

Aircraft N551CB departing to KTYS produced 17.8t CO₂, representing 100% of all airport emissions on Jul 12, 2025.

17.8t CO₂

LowOct 27, 2025 – Nov 19, 2025

24-day gap in recorded activity ending Nov 19, 2025

Airport had 24 consecutive days with zero recorded flights before activity resumed on Nov 19, 2025.

3.7t CO₂

Route Map

Top Routes by Emissions
Rural RetreatKnoxville

KMKJ to KTYS · 165 miles

Total Flights

4

Avg CO₂/Flight

4.9t

Total Emissions

19.7t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Rural RetreatLos Banos

KMKJ to KLSN · 2,165 miles

Total Flights

1

Avg CO₂/Flight

11.0t

Total Emissions

11.0t CO₂

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

KMKJ to KASE · 1,393 miles

Total Flights

1

Avg CO₂/Flight

9.0t

Total Emissions

9.0t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
Rural RetreatAtizapán de Zaragoza

KMKJ to MMJC · 1,614 miles

Total Flights

1

Avg CO₂/Flight

8.5t

Total Emissions

8.5t CO₂

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

KMKJ to KSGR · 966 miles

Total Flights

1

Avg CO₂/Flight

5.7t

Total Emissions

5.7t CO₂

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

KMKJ to KMEM · 499 miles

Total Flights

1

Avg CO₂/Flight

5.5t

Total Emissions

5.5t CO₂

May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
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Aircraft Using This Airport
View All Aircraft
N551CBCharter·Gulfstream GIV
17.8t CO₂ · avg 17.8t/visit · 1 visit · Last seen 12 Jul 2025
N879QSCharter·Cessna Citation Longitude
11.0t CO₂ · avg 11.0t/visit · 1 visit · Last seen 14 Oct 2025
N315QSCharter·Cessna Citation Sovereign
9.0t CO₂ · avg 9.0t/visit · 1 visit · Last seen 28 Dec 2025
N732PACharter·Bombardier Challenger 600
8.5t CO₂ · avg 8.5t/visit · 1 visit · Last seen 21 Aug 2025
N509ABCharter·Bombardier Learjet 60
6.2t CO₂ · avg 3.1t/visit · 2 visits · Last seen 14 Sept 2025
N871QSCharter·Cessna Citation Longitude
5.7t CO₂ · avg 5.7t/visit · 1 visit · Last seen 19 May 2025
N250CMCharter·Cessna Citation Sovereign
5.5t CO₂ · avg 5.5t/visit · 1 visit · Last seen 13 Feb 2026
N450QSCharter·Gulfstream GIV
5.0t CO₂ · avg 5.0t/visit · 1 visit · Last seen 18 Jul 2025
N967QSCharter·Cessna Citation Latitude
4.7t CO₂ · avg 4.7t/visit · 1 visit · Last seen 20 Oct 2025
N99X·Pilatus PC-24
3.8t CO₂ · avg 3.8t/visit · 1 visit · Last seen 27 Oct 2025
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Recent Flights

10 total flights recorded

Showing most recent flights — not filtered by viewing period