Airports / Curtis L. Brown Jr. Field

Curtis L. Brown Jr. Field(KEYF)

Elizabethtown, United States

Last updated: Mar 29, 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· Emissions increasing vs prior period

Activity Summary

140.4
Tons CO2 Total
1.6
Avg CO2/Flight
89
Flights Total
Emissions Intensity0.00t CO₂/nm
114.0 tons CO2 in selected period

Airport Patterns

Emissions up 134% vs prior period — significantly busier than prior period

114t
Total CO₂
1.6t
Avg CO₂/flight
89
Flights
Operator Profile

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

Emissions
171%
52t → 140t CO₂
CO₂ Intensity
30%
2.3t → 1.6t per departure
Flight Count
65
24 → 89 flights
New Routes
51
109t CO₂ combined
Dropped Routes
11
Prior period only
New Aircraft
81
81 new tail numbers
Top Destinations
Orlando8.5t CO₂
4 flights · avg 2.1t/flight
Vero Beach6.9t CO₂
4 flights · avg 1.7t/flight
Miami6.1t CO₂
2 flights · avg 3.0t/flight
Fort Lauderdale6.0t CO₂
2 flights · avg 3.0t/flight
West Palm Beach5.6t CO₂
2 flights · avg 2.8t/flight

Spikes

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

CO₂ Above Baseline

28t

Signals Detected

5

Highest Severity

High

MediumApr 14, 2025 – Apr 20, 2025

Elevated activity Apr 14, 2025 – Apr 20, 2025 — 5 flights in 7 days vs baseline of 2

5 flights recorded in a 7-day window, exceeding the airport baseline of 2 flights per week by 188%.

6.5t CO₂

MediumMay 25, 2025 – May 31, 2025

Elevated activity May 25, 2025 – May 31, 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 130%.

7.5t CO₂

MediumJul 28, 2025 – Aug 3, 2025

Elevated activity Jul 28, 2025 – Aug 3, 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 130%.

8.2t CO₂

HighMar 19, 2026

Single high-emission departure N800CG → KEYF on Mar 19, 2026 — 4.6t CO₂, 71% of day's total

Aircraft N800CG departing to KEYF produced 4.6t CO₂, representing 71% of all airport emissions on Mar 19, 2026.

4.6t CO₂

LowMay 8, 2025 – May 23, 2025

15-day gap in recorded activity ending May 23, 2025

Airport had 15 consecutive days with zero recorded flights before activity resumed on May 23, 2025.

1.0t CO₂

Route Map

Top Routes by Emissions
ElizabethtownOrlando

KEYF to KORL · 449 miles

Total Flights

4

Avg CO₂/Flight

2.1t

Total Emissions

8.5t CO₂

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

KEYF to KVRB · 492 miles

Total Flights

4

Avg CO₂/Flight

1.7t

Total Emissions

6.9t CO₂

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

KEYF to KMIA · 617 miles

Total Flights

2

Avg CO₂/Flight

3.0t

Total Emissions

6.1t CO₂

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

KEYF to KFXE · 589 miles

Total Flights

2

Avg CO₂/Flight

3.0t

Total Emissions

6.0t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
ElizabethtownWest Palm Beach

KEYF to KPBI · 555 miles

Total Flights

2

Avg CO₂/Flight

2.8t

Total Emissions

5.6t CO₂

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

KEYF to KCHS · 145 miles

Total Flights

4

Avg CO₂/Flight

1.1t

Total Emissions

4.5t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
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Aircraft Using This Airport
View All Aircraft
N751GTCharter·Cessna Citation X
3.3t CO₂ · avg 3.3t/visit · 1 visit · Last seen 28 Apr 2025
N446FXCharter·Embraer Praetor 500
3.3t CO₂ · avg 3.3t/visit · 1 visit · Last seen 1 Feb 2026
N682QSCharter·Cessna Citation XLS
3.2t CO₂ · avg 3.2t/visit · 1 visit · Last seen 19 Aug 2025
N603QSCharter·Cessna Citation Latitude
3.0t CO₂ · avg 1.5t/visit · 2 visits · Last seen 27 Feb 2026
N662QSCharter·Cessna Citation Latitude
2.9t CO₂ · avg 2.9t/visit · 1 visit · Last seen 16 Jan 2026
N872QSCharter·Cessna Citation Longitude
2.9t CO₂ · avg 2.9t/visit · 1 visit · Last seen 28 Jan 2026
N526QSCharter·Cessna Citation Latitude
2.8t CO₂ · avg 2.8t/visit · 1 visit · Last seen 28 Jul 2025
N624QSCharter·Cessna Citation Latitude
2.7t CO₂ · avg 2.7t/visit · 1 visit · Last seen 26 Sept 2025
N466SG·Cessna Citation SII
2.7t CO₂ · avg 2.7t/visit · 1 visit · Last seen 15 Aug 2025
N814QSCharter·Cessna Citation Longitude
2.6t CO₂ · avg 2.6t/visit · 1 visit · Last seen 24 Sept 2025
Page 1 of 9

Recent Flights

10 total flights recorded

Showing most recent flights — not filtered by viewing period