Airports / Amedee Army Airfield

Amedee Army Airfield(KAHC)

Herlong, United States

Last updated: Mar 20, 2026

Pro
Soon
Viewing period:
Compared to: preceding 12 months · Apr 2024 – Apr 2025
Apr 2025 – Mar 2026·vs Apr 2024 – Apr 2025

Activity Summary

102.7
Tons CO2 Total
1.6
Avg CO2/Flight
69
Flights Total
Emissions Intensity0.00t CO₂/nm
90.0 tons CO2 in selected period

Airport Patterns

Emissions up 353% vs prior period — significantly busier than prior period

90t
Total CO₂
1.6t
Avg CO₂/flight
69
Flights
Operator Profile

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

Emissions
>300%
23t → 103t CO₂
CO₂ Intensity
3%
1.7t → 1.6t per departure
Flight Count
Prior data incomplete
New Routes
30
84t CO₂ combined
Dropped Routes
5
Prior period only
New Aircraft
53
53 new tail numbers
Top Destinations
San Jose9.8t CO₂
6 flights · avg 1.6t/flight
Van Nuys9.6t CO₂
4 flights · avg 2.4t/flight
Seattle8.9t CO₂
4 flights · avg 2.2t/flight
Bozeman8.8t CO₂
2 flights · avg 4.4t/flight
Renton4.4t CO₂
1 flight · avg 4.4t/flight

Spikes

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

CO₂ Above Baseline

20t

Signals Detected

5

Highest Severity

High

MediumMay 21, 2025 – May 27, 2025

Elevated activity May 21, 2025 – May 27, 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 113%.

8.9t CO₂

MediumJun 22, 2025 – Jun 28, 2025

Elevated activity Jun 22, 2025 – Jun 28, 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 113%.

2.9t CO₂

MediumJun 29, 2025 – Jul 5, 2025

Elevated activity Jun 29, 2025 – Jul 5, 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 113%.

2.4t CO₂

HighNov 16, 2025

Single high-emission departure N484FX → KBZN on Nov 16, 2025 — 4.6t CO₂, 100% of day's total

Aircraft N484FX departing to KBZN produced 4.6t CO₂, representing 100% of all airport emissions on Nov 16, 2025.

4.6t CO₂

LowApr 10, 2025 – Apr 27, 2025

17-day gap in recorded activity ending Apr 27, 2025

Airport had 17 consecutive days with zero recorded flights before activity resumed on Apr 27, 2025.

1.3t CO₂

Route Map

Top Routes by Emissions
HerlongSan Jose

KAHC to KSJC · 223 miles

Total Flights

6

Avg CO₂/Flight

1.6t

Total Emissions

9.8t CO₂

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

KAHC to KVNY · 428 miles

Total Flights

4

Avg CO₂/Flight

2.4t

Total Emissions

9.6t CO₂

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

KAHC to KBFI · 514 miles

Total Flights

4

Avg CO₂/Flight

2.2t

Total Emissions

8.9t CO₂

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

KAHC to KBZN · 592 miles

Total Flights

2

Avg CO₂/Flight

4.4t

Total Emissions

8.8t CO₂

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

KAHC to KRNT · 510 miles

Total Flights

1

Avg CO₂/Flight

4.4t

Total Emissions

4.4t CO₂

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

KAHC to KHWQ · 669 miles

Total Flights

3

Avg CO₂/Flight

1.5t

Total Emissions

4.4t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Page 1 of 5
Aircraft Using This Airport
View All Aircraft
N289RTCharter·Cessna Citation CJ2
5.0t CO₂ · avg 1.3t/visit · 4 visits · Last seen 4 Oct 2025
N484FXCharter·Gulfstream GIV
4.6t CO₂ · avg 4.6t/visit · 1 visit · Last seen 16 Nov 2025
N1AL·Gulfstream G650
4.4t CO₂ · avg 2.2t/visit · 2 visits · Last seen 28 May 2025
N190QSCharter·Bombardier Global 7500
4.2t CO₂ · avg 4.2t/visit · 1 visit · Last seen 10 Apr 2025
N173NYCharter·Gulfstream GV
3.4t CO₂ · avg 3.4t/visit · 1 visit · Last seen 23 May 2025
N2030P·Gulfstream G650
2.9t CO₂ · avg 2.9t/visit · 1 visit · Last seen 4 Jan 2026
N461MCCharter·Bombardier Learjet 60
2.8t CO₂ · avg 2.8t/visit · 1 visit · Last seen 3 Aug 2025
C-FASQ·Embraer Praetor 500
2.7t CO₂ · avg 2.7t/visit · 1 visit · Last seen 26 Jan 2026
N680QSCharter·Cessna Citation Latitude
2.6t CO₂ · avg 2.6t/visit · 1 visit · Last seen 21 Sept 2025
N654FXCharter·Gulfstream G650
2.6t CO₂ · avg 2.6t/visit · 1 visit · Last seen 23 May 2025
Page 1 of 6

Recent Flights

10 total flights recorded

Showing most recent flights — not filtered by viewing period