Airports / United Kingdom / EGSY
MOD St Athan.
St Athan, Vale of Glamorgan, United Kingdom · 163 ft elevation. A private-aviation gateway on the Bravo register.
4.5/5
Google rating
40 ratings
0
Operators based
163
Elevation ft
Google rating
Google reviews
Field elevation
Nearest alternate
Field standing
#24 / 80
United Kingdom airports by Google rating
4.5★ across 40 Google ratings , ranked against 80 rated United Kingdom fields.
3 nm
To the nearest alternate
Cardiff International Airport (CWL), 6 fields within 50 nm.
Overview
Located in St Athan, Vale of Glamorgan, United Kingdom, MOD St Athan (EGSY) operates as a mid-sized airport. The field lies at an elevation of 163 feet. The field has no airline schedules, which keeps it focused on private and general aviation flying.
EGSY has no resident charter fleet; trips here are typically flown by operators repositioning from surrounding airports. Useful alternates include Cardiff International Airport (CWL, 3 nm), Swansea Airport (SWS, 27 nm), and Bristol Airport (BRS, 27 nm). EGSY offers a single 5,997-foot paved runway, which supports charter types through the heavy jet class.
Quotes for flights out of EGSY vary with aircraft type, repositioning, and schedule flexibility. The airport is also known as RAF St Athan and St Athan Air Base. Use the cost estimator to model a trip from EGSY, or browse verified operators serving the area.
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Field capability
ICAO
EGSY
IATA
n/a
FAA / Local
EGSY
Elevation
163 ft
Coordinates
51.4052° N · 3.4333° W
Airspace
G · GolfClass G, GolfUncontrolled field, no tower. Pilots self-announce and sequence themselves on the common traffic advisory frequency.Source: FAA NASR class airspace
Size
Medium
Scheduled svc
No
Elevation vs United Kingdom fields
state range 5–1,066 ft
At 163 ft, EGSY sits higher than 57% of the 88 United Kingdom fields on the register.
Runways & aircraft access
1 runway
longest 5,997 ft
- 07/255,997 ft × 141 ftAsphaltLighted
Which aircraft can operate here
vs longest paved runway 5,997 ft
EGSY's 5,997 ft paved runway typically supports charter aircraft up to heavy jets.
- Turboprop3,000 ft
- Light Jet3,500 ft
- Midsize Jet4,500 ft
- Super-Midsize Jet5,000 ft
- Heavy Jet5,500 ft
- VIP Airliner6,000 ft
Class minimums are sea-level planning rules of thumb. A specific aircraft's balanced-field length varies with weight, temperature, and field elevation. Confirm performance with the operator.
Access & alternates
Closest alternate fields by great-circle distance, every listing links to its own field brief.
- 3nmCWLCardiff International AirportCardiff
- 27nmSWSSwansea AirportSwansea
- 27nmBRSBristol AirportBristol
- 33nmEGDCRoyal Marines Base ChivenorChivenor
- 38nmYEORNAS YeoviltonYeovil, Somerset
- 40nmEXTExeter International AirportExeter, Devon
Location
Open the full mapEGDX · MOD St Athan · St Athan, Vale of Glamorgan, United Kingdom
Flight times from here
Approximate nonstop block times from EGSY on a typical midsize charter jet. Faster classes trim these; add positioning and taxi for the real schedule.
| Destination | Distance | Block time |
|---|---|---|
| Boston (BED) | 2,731 nm | 6h 45m |
| New York (TEB) | 2,888 nm | 7h 7m |
| Washington DC (IAD) | 3,082 nm | 7h 34m |
| Chicago (ORD) | 3,328 nm | 8h 8m |
| Nashville (BNA) | 3,522 nm | 8h 35m |
| Palm Beach (PBI) | 3,683 nm | 8h 58m |
| Miami (MIA) | 3,729 nm | 9h 4m |
| Anchorage (ANC) | 3,860 nm | 9h 23m |
Common questions
- What size private jets can use EGSY?
- MOD St Athan's longest paved runway is 5,997 ft, which typically supports charter aircraft up to heavy jets. Lighter classes (turboprops, light and midsize jets) operate comfortably; confirm exact performance for a specific tail with the operator, since balanced-field length shifts with weight, temperature, and elevation.
- What is the longest runway at EGSY?
- MOD St Athan has one runway; the longest measures 5,997 ft on a paved surface and is lit for night operations.
- What is the nearest major airport to EGSY?
- The closest alternate is Cardiff International Airport (CWL), about 3 nm away, followed by Swansea Airport (SWS) at 27 nm. Operators often position aircraft between these fields depending on ramp space and availability.
- How long is a flight from EGSY to major cities?
- Typical block times on a midsize jet: Boston about 6h 45m (2,731 nm), New York about 7h 7m (2,888 nm), Washington DC about 7h 34m (3,082 nm). Faster classes trim these times; add positioning and taxi for the real schedule.