Airports / Castle Airport
Castle Airport(KMER)
Merced, United States
Last updated: Feb 24, 2026
Activity Summary
Airport Patterns
Emissions up 414% 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
19t
Signals Detected
5
Highest Severity
High
Elevated activity Apr 1, 2025 – Apr 7, 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 167%.
3.5t CO₂
Elevated activity Jul 4, 2025 – Jul 10, 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 167%.
7.3t CO₂
Elevated activity Jul 11, 2025 – Jul 17, 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 167%.
3.6t CO₂
Single high-emission departure N544FX → KPAE on Jun 10, 2025 — 3.6t CO₂, 100% of day's total
Aircraft N544FX departing to KPAE produced 3.6t CO₂, representing 100% of all airport emissions on Jun 10, 2025.
3.6t CO₂
21-day gap in recorded activity ending May 28, 2025
Airport had 21 consecutive days with zero recorded flights before activity resumed on May 28, 2025.
1.0t CO₂
Route Map
KMER to KSFO · 101 miles
Total Flights
4
Avg CO₂/Flight
1.2t
Total Emissions
4.9t CO₂
KMER to KAPC · 110 miles
Total Flights
3
Avg CO₂/Flight
1.5t
Total Emissions
4.5t CO₂
KMER to KPAE · 733 miles
Total Flights
1
Avg CO₂/Flight
3.6t
Total Emissions
3.6t CO₂
KMER to KSEE · 374 miles
Total Flights
1
Avg CO₂/Flight
3.2t
Total Emissions
3.2t CO₂
KMER to KLAR · 840 miles
Total Flights
1
Avg CO₂/Flight
3.2t
Total Emissions
3.2t CO₂
KMER to KSAN · 373 miles
Total Flights
2
Avg CO₂/Flight
1.6t
Total Emissions
3.2t CO₂
Recent Flights
10 total flights recordedShowing most recent flights — not filtered by viewing period