Airports / Roscommon County-Blodgett Memorial Airport
Roscommon County-Blodgett Memorial Airport(KHTL)
Houghton Lake, United States
Last updated: Mar 19, 2026
Activity Summary
Airport Patterns
Activity broadly consistent with prior period — averaging 7 flights/month
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
38t
Signals Detected
5
Highest Severity
High
Elevated activity Jul 25, 2025 – Jul 31, 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 206%.
5.5t CO₂
Elevated activity Jul 5, 2025 – Jul 11, 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 145%.
7.1t CO₂
Elevated activity Jul 12, 2025 – Jul 18, 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 145%.
5.5t CO₂
Single high-emission departure N653FX → KBFI on Aug 22, 2025 — 19.6t CO₂, 86% of day's total
Aircraft N653FX departing to KBFI produced 19.6t CO₂, representing 86% of all airport emissions on Aug 22, 2025.
19.6t CO₂
19-day gap in recorded activity ending May 17, 2025
Airport had 19 consecutive days with zero recorded flights before activity resumed on May 17, 2025.
Route Map
KHTL to KBFI · 1,803 miles
Total Flights
1
Avg CO₂/Flight
19.6t
Total Emissions
19.6t CO₂
KHTL to KBZN · 1,290 miles
Total Flights
1
Avg CO₂/Flight
11.2t
Total Emissions
11.2t CO₂
KHTL to KGEG · 1,581 miles
Total Flights
1
Avg CO₂/Flight
9.0t
Total Emissions
9.0t CO₂
KHTL to KFOK · 658 miles
Total Flights
1
Avg CO₂/Flight
2.7t
Total Emissions
2.7t CO₂
KHTL to KBDL · 626 miles
Total Flights
1
Avg CO₂/Flight
2.4t
Total Emissions
2.4t CO₂
KHTL to KHPN · 601 miles
Total Flights
1
Avg CO₂/Flight
1.8t
Total Emissions
1.8t CO₂
Recent Flights
10 total flights recordedShowing most recent flights — not filtered by viewing period