Airports / St Athan Royal Air Force Base

St Athan Royal Air Force Base(EGDX)

Cardiff, United Kingdom

Last updated: Mar 1, 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

38.5
Tons CO2 Total
2.4
Avg CO2/Flight
18
Flights Total
Emissions Intensity0.01t CO₂/nm
36.2 tons CO2 in selected period

Airport Patterns

Emissions up 721% vs prior period — significantly busier than prior period

36t
Total CO₂
2.4t
Avg CO₂/flight
18
Flights
Operator Profile

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

Emissions
>300%
4t → 39t CO₂
CO₂ Intensity
64%
1.5t → 2.4t per departure
Flight Count
Prior data incomplete
New Routes
14
21t CO₂ combined
Dropped Routes
3
Prior period only
New Aircraft
16
16 new tail numbers
Top Destinations
Como5.9t CO₂
1 flight · avg 5.9t/flight
Hamburg3.4t CO₂
1 flight · avg 3.4t/flight
Schwabisch Hall2.2t CO₂
1 flight · avg 2.2t/flight
Paris1.3t CO₂
1 flight · avg 1.3t/flight
Biggin Hill1.1t CO₂
2 flights · avg 0.6t/flight

Spikes

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

CO₂ Above Baseline

20t

Signals Detected

5

Highest Severity

High

MediumApr 28, 2025 – May 4, 2025

Elevated activity Apr 28, 2025 – May 4, 2025 — 1 flights in 7 days vs baseline of 0

1 flights recorded in a 7-day window, exceeding the airport baseline of 0 flights per week by 143%.

0.6t CO₂

MediumMay 12, 2025 – May 18, 2025

Elevated activity May 12, 2025 – May 18, 2025 — 1 flights in 7 days vs baseline of 0

1 flights recorded in a 7-day window, exceeding the airport baseline of 0 flights per week by 143%.

0.6t CO₂

MediumMay 19, 2025 – May 25, 2025

Elevated activity May 19, 2025 – May 25, 2025 — 1 flights in 7 days vs baseline of 0

1 flights recorded in a 7-day window, exceeding the airport baseline of 0 flights per week by 143%.

0.6t CO₂

HighSep 29, 2025

Single high-emission departure N175QS → Unknown on Sep 29, 2025 — 17.4t CO₂, 100% of day's total

Aircraft N175QS departing to Unknown produced 17.4t CO₂, representing 100% of all airport emissions on Sep 29, 2025.

17.4t CO₂

LowApr 28, 2025 – May 18, 2025

20-day gap in recorded activity ending May 18, 2025

Airport had 20 consecutive days with zero recorded flights before activity resumed on May 18, 2025.

0.6t CO₂

Route Map

Top Routes by Emissions
CardiffComo

EGDX to LIMN · 686 miles

Total Flights

1

Avg CO₂/Flight

5.9t

Total Emissions

5.9t CO₂

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

EGDX to EDDH · 583 miles

Total Flights

1

Avg CO₂/Flight

3.4t

Total Emissions

3.4t CO₂

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

EGDX to EDTY · 604 miles

Total Flights

1

Avg CO₂/Flight

2.2t

Total Emissions

2.2t CO₂

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

EGDX to LFPB · 310 miles

Total Flights

1

Avg CO₂/Flight

1.3t

Total Emissions

1.3t CO₂

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

EGDX to EGKB · 150 miles

Total Flights

2

Avg CO₂/Flight

0.6t

Total Emissions

1.1t CO₂

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

EGDX to EGGP · 136 miles

Total Flights

3

Avg CO₂/Flight

0.4t

Total Emissions

1.1t CO₂

Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Page 1 of 2
Aircraft Using This Airport
View All Aircraft
N175QSCharter·Bombardier Global 7500
17.4t CO₂ · avg 17.4t/visit · 1 visit · Last seen 29 Sept 2025
N663FXCharter·Gulfstream G650
5.9t CO₂ · avg 5.9t/visit · 1 visit · Last seen 10 Jun 2025
D-ALDGCharter·Dassault Falcon 8X
3.4t CO₂ · avg 1.7t/visit · 2 visits · Last seen 1 Mar 2026
D-CBEN·Cessna Citation XLS
2.2t CO₂ · avg 2.2t/visit · 1 visit · Last seen 11 Jul 2025
CS-DXQ·Cessna Citation XLS
1.3t CO₂ · avg 1.3t/visit · 1 visit · Last seen 8 Jul 2025
9H-VCV·Bombardier Challenger 350
1.0t CO₂ · avg 1.0t/visit · 1 visit · Last seen 6 Jul 2025
M-ABSU·Bombardier Challenger 350
1.0t CO₂ · avg 1.0t/visit · 1 visit · Last seen 7 Jun 2025
CS-PHM·Embraer Phenom 300
0.6t CO₂ · avg 0.6t/visit · 1 visit · Last seen 10 Oct 2025
G-SOVB·Bombardier Learjet 45
0.6t CO₂ · avg 0.3t/visit · 2 visits · Last seen 19 May 2025
D-CWPS·Embraer Phenom 300
0.6t CO₂ · avg 0.6t/visit · 1 visit · Last seen 8 Jul 2025
Page 1 of 2

Recent Flights

10 total flights recorded

Showing most recent flights — not filtered by viewing period