RAF Ascension Island is a medium-sized airport serving Cat Hill, St Helena. Its IATA code is ASI and its ICAO code is FHAW. The airport lies at an elevation of 278 ft (85 m) above sea level. It has 1 runway(s); the longest is 13/31, 10,019 ft (3,054 m) long. Local time follows the Africa/Abidjan time zone.
Key facts
- IATA code
- ASI
- ICAO code
- FHAW
- Airport type
- Medium airport
- Elevation
- 278 ft (85 m)
- Coordinates
- -7.9702, -14.3927
- Time zone
- Africa/Abidjan
- Local time now
- —
- Scheduled service
- Yes
Location
Runways
| Runway | Length | Width | Surface | Lighted |
|---|---|---|---|---|
| 13/31 | 10,019 ft · 3,054 m | 150 ft · 46 m | Asphalt | Yes |
Nearest airports
Airports with scheduled service closest to RAF Ascension Island, by great-circle distance.
| Airport | City | Distance |
|---|---|---|
| HLE Saint Helena International Airport | Jamestown, St Helena | 1,301 km · 808 mi |
| MLW Spriggs Payne Airport | Monrovia, Liberia | 1,636 km · 1,017 mi |
| ROB Roberts International Airport | Monrovia, Liberia | 1,641 km · 1,020 mi |
| SPY San Pedro Airport | Côte d’Ivoire | 1,654 km · 1,028 mi |
| ABJ Félix-Houphouët-Boigny International Airport | Abidjan, Côte d’Ivoire | 1,874 km · 1,164 mi |
| TKD Takoradi Airport | Sekondi-Takoradi, Ghana | 2,001 km · 1,243 mi |
| BYK Bouaké Airport | Bouaké, Côte d’Ivoire | 2,029 km · 1,261 mi |
| KMS Prempeh I International Airport | Kumasi, Ghana | 2,164 km · 1,345 mi |
Distances to major hubs
Great-circle distances from ASI. These are geographic distances, not a list of operated flights.
| Airport | km | mi | NM | |
|---|---|---|---|---|
| GRU São Paulo | 3,825 | 2,377 | 2,066 | View route |
| JNB Johannesburg | 4,931 | 3,064 | 2,663 | View route |
| CDG Paris (Roissy-en-France, Val-d'Oise) | 6,548 | 4,069 | 3,536 | View route |
| LHR London | 6,743 | 4,190 | 3,641 | View route |
| FRA Frankfurt am Main | 6,821 | 4,238 | 3,683 | View route |
| IST Istanbul | 7,021 | 4,363 | 3,791 | View route |
| JFK New York | 8,117 | 5,044 | 4,383 | View route |
| DXB Dubai | 8,393 | 5,215 | 4,532 | View route |
| ATL Atlanta | 8,694 | 5,402 | 4,694 | View route |
| MEX Mexico City | 9,750 | 6,058 | 5,264 | View route |
| DEL New Delhi | 10,574 | 6,571 | 5,710 | View route |
| LAX Los Angeles | 11,792 | 7,327 | 6,367 | View route |
| SIN Singapore | 13,153 | 8,173 | 7,102 | View route |
| PEK Beijing | 13,999 | 8,699 | 7,559 | View route |
| SYD Sydney (Mascot) | 15,112 | 9,390 | 8,160 | View route |
| HND Tokyo | 15,979 | 9,929 | 8,628 | View route |
Radio frequencies
Not for navigation. Always use official, current aeronautical publications.
| Type | Description | MHz |
|---|---|---|
| A/G | RAF HAVENS HF | 1124.700 |
| ACC | ATLANTICO FIR | 1795.500 |
| RDO | ASCENSION RDO | 1078.000 |
| TWR | WIDEAWAKE TWR | 126.200 |
External links
External links come from the source dataset and are not independently verified by FlyingWorld.
Frequently asked questions
What is the airport code of RAF Ascension Island?
The IATA code of RAF Ascension Island is ASI and its ICAO code is FHAW.
Where is RAF Ascension Island located?
RAF Ascension Island is in Cat Hill, Ascension, St Helena, at -7.9702, -14.3927.
What time zone is RAF Ascension Island in?
RAF Ascension Island uses the IANA time zone Africa/Abidjan. Daylight saving time, where applicable, is applied automatically by the clock on this page.
How long is the longest runway at RAF Ascension Island?
The longest runway listed is 13/31, 10,019 ft (3,054 m) long.
What is the nearest airport to RAF Ascension Island?
The nearest airport with scheduled service in our directory is Saint Helena International Airport (HLE), about 1,301 km (808 mi) away.
Source: OurAirports (data updated: 9 November 2026). Not for navigation. Always use official, current aeronautical publications.