Airports / Greeneville-Greene County Municipal Airport

Greeneville-Greene County Municipal Airport(KGCY)

Greeneville, United States

Last updated: Mar 30, 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

390.6
Tons CO2 Total
2.3
Avg CO2/Flight
231
Flights Total
Emissions Intensity0.01t CO₂/nm
241.9 tons CO2 in selected period

Airport Patterns

Emissions up 1231% vs prior period — significantly busier than prior period

242t
Total CO₂
2.3t
Avg CO₂/flight
231
Flights
Operator Profile

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

Emissions
>300%
62t → 391t CO₂
CO₂ Intensity
74%
1.3t → 2.3t per departure
Flight Count
Prior data incomplete
New Routes
111
343t CO₂ combined
Dropped Routes
14
Prior period only
New Aircraft
125
125 new tail numbers
Top Destinations
San Jose34.3t CO₂
2 flights · avg 17.2t/flight
Houston13.8t CO₂
3 flights · avg 4.6t/flight
Mountain View11.9t CO₂
1 flight · avg 11.9t/flight
Toluca11.8t CO₂
1 flight · avg 11.8t/flight
White Plains11.4t CO₂
4 flights · avg 2.9t/flight

Spikes

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

CO₂ Above Baseline

52t

Signals Detected

4

Highest Severity

High

MediumJun 28, 2025 – Jul 4, 2025

Elevated activity Jun 28, 2025 – Jul 4, 2025 — 9 flights in 7 days vs baseline of 4

9 flights recorded in a 7-day window, exceeding the airport baseline of 4 flights per week by 101%.

9.7t CO₂

MediumAug 8, 2025 – Aug 14, 2025

Elevated activity Aug 8, 2025 – Aug 14, 2025 — 9 flights in 7 days vs baseline of 4

9 flights recorded in a 7-day window, exceeding the airport baseline of 4 flights per week by 101%.

11.4t CO₂

MediumSep 29, 2025 – Oct 5, 2025

Elevated activity Sep 29, 2025 – Oct 5, 2025 — 10 flights in 7 days vs baseline of 4

10 flights recorded in a 7-day window, exceeding the airport baseline of 4 flights per week by 124%.

10.6t CO₂

HighMay 13, 2025

Single high-emission departure N482FX → KSJC on May 13, 2025 — 19.9t CO₂, 100% of day's total

Aircraft N482FX departing to KSJC produced 19.9t CO₂, representing 100% of all airport emissions on May 13, 2025.

19.9t CO₂

Route Map

Top Routes by Emissions
GreenevilleSan Jose

KGCY to KSJC · 2,151 miles

Total Flights

2

Avg CO₂/Flight

17.2t

Total Emissions

34.3t CO₂

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

KGCY to KHOU · 851 miles

Total Flights

3

Avg CO₂/Flight

4.6t

Total Emissions

13.8t CO₂

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

KGCY to KNUQ · 2,157 miles

Total Flights

1

Avg CO₂/Flight

11.9t

Total Emissions

11.9t CO₂

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

KGCY to MMTO · 1,546 miles

Total Flights

1

Avg CO₂/Flight

11.8t

Total Emissions

11.8t CO₂

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

KGCY to KHPN · 595 miles

Total Flights

4

Avg CO₂/Flight

2.9t

Total Emissions

11.4t CO₂

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

KGCY to KDAL · 831 miles

Total Flights

2

Avg CO₂/Flight

4.2t

Total Emissions

8.4t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Page 1 of 11
Aircraft Using This Airport
View All Aircraft
N482FXCharter·Gulfstream GIV
19.9t CO₂ · avg 19.9t/visit · 1 visit · Last seen 13 May 2025
N774XJCharter·Cessna Citation X
14.4t CO₂ · avg 14.4t/visit · 1 visit · Last seen 11 Mar 2026
N343JECharter·Bombardier Challenger 300
11.9t CO₂ · avg 6.0t/visit · 2 visits · Last seen 19 Mar 2026
N100HB·Gulfstream GV
11.8t CO₂ · avg 11.8t/visit · 1 visit · Last seen 24 Jan 2026
N444DH·Gulfstream GV
8.7t CO₂ · avg 0.3t/visit · 28 visits · Last seen 24 Mar 2026
N215BBCharter·Gulfstream GV
8.1t CO₂ · avg 8.1t/visit · 1 visit · Last seen 13 Oct 2025
N441FXCharter·Embraer Legacy 450
7.6t CO₂ · avg 7.6t/visit · 1 visit · Last seen 29 May 2025
N409FXCharter·Embraer Praetor 500
7.4t CO₂ · avg 7.4t/visit · 1 visit · Last seen 30 Aug 2025
N934HECharter·Gulfstream GV
6.4t CO₂ · avg 6.4t/visit · 1 visit · Last seen 2 Sept 2025
N291TXCharter·Embraer Phenom 300
6.3t CO₂ · avg 6.3t/visit · 1 visit · Last seen 26 Nov 2025
Page 1 of 13

Recent Flights

10 total flights recorded

Showing most recent flights — not filtered by viewing period