Airports / Curtis L. Brown Jr. Field
Curtis L. Brown Jr. Field(KEYF)
Elizabethtown, United States
Last updated: Mar 29, 2026
Activity Summary
Airport Patterns
Emissions up 134% vs prior period — significantly busier than prior period
Charter/owner classification not available for this airport's flights
Spikes
Significant deviations from this airport's baseline in the selected period.
CO₂ Above Baseline
28t
Signals Detected
5
Highest Severity
High
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
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
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
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
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
KEYF to KORL · 449 miles
Total Flights
4
Avg CO₂/Flight
2.1t
Total Emissions
8.5t CO₂
KEYF to KVRB · 492 miles
Total Flights
4
Avg CO₂/Flight
1.7t
Total Emissions
6.9t CO₂
KEYF to KMIA · 617 miles
Total Flights
2
Avg CO₂/Flight
3.0t
Total Emissions
6.1t CO₂
KEYF to KFXE · 589 miles
Total Flights
2
Avg CO₂/Flight
3.0t
Total Emissions
6.0t CO₂
KEYF to KPBI · 555 miles
Total Flights
2
Avg CO₂/Flight
2.8t
Total Emissions
5.6t CO₂
KEYF to KCHS · 145 miles
Total Flights
4
Avg CO₂/Flight
1.1t
Total Emissions
4.5t CO₂
Recent Flights
10 total flights recordedShowing most recent flights — not filtered by viewing period