RAF Ascension Island is a medium-sized airport serving Cat Hill, in Ascension, Saint Helena, Ascension and Tristan da Cunha. It has scheduled airline flights. Its IATA code, the three letters printed on tickets and baggage tags, is ASI.
Key facts
- IATA code
- ASI
- ICAO code
- FHAW
- City
- Cat Hill
- State or region
- Ascension
- Country
- Saint Helena, Ascension and Tristan da Cunha
- Kind
- Medium airport
- Coordinates
- 7.9702° S, 14.3927° W
- Elevation
- 85 m (278 ft)
- Runways
- 1
- Longest runway
- 3,054 m (10,019 ft)
Airport codes
On a ticket or a baggage tag, ASI means RAF Ascension Island. Pilots and air traffic controllers use a different, four-letter ICAO code: FHAW. ICAO codes that begin with F belong to central and southern Africa. How the two kinds of code differ.
Where it is
The airport lies at 7.9702° S, 14.3927° W. It stands 85 metres (278 feet) above sea level.
Runways
RAF Ascension Island has 1 runway in the data. The longest is 3,054 metres (10,019 feet). That is long enough for most passenger jets.
| Runway | Length | Width | Surface | Lights |
|---|---|---|---|---|
| 13/31 | 3,054 m 10,019 ft | 46 m | Asphalt | Yes |
The numbers in a runway name give its compass direction. How runway numbers work.
Nearest airports with scheduled flights
| Airport | Code | Distance |
|---|---|---|
| Saint Helena International AirportJamestown | HLE | 1,301 km |
| Spriggs Payne AirportMonrovia, Liberia | MLW | 1,636 km |
| Roberts International AirportMonrovia, Liberia | ROB | 1,641 km |
| San Pedro AirportCôte d'Ivoire | SPY | 1,654 km |
| Lungi International AirportFreetown (Lungi-Town), Sierra Leone | FNA | 1,849 km |
Distance to major airports
| To | Distance | Rough flying time |
|---|---|---|
| Delhi (DEL)India | 10,574 km | 13 h 15 min |
| Mumbai (BOM)India | 10,011 km | 12 h 35 min |
| Dubai (DXB)United Arab Emirates | 8,393 km | 10 h 35 min |
| London Heathrow (LHR)United Kingdom | 6,743 km | 8 h 35 min |
| New York JFK (JFK)United States | 8,117 km | 10 h 15 min |
| Los Angeles (LAX)United States | 11,792 km | 14 h 40 min |
| Singapore (SIN)Singapore | 13,153 km | 16 h 20 min |
| Tokyo Haneda (HND)Japan | 15,979 km | 19 h 45 min |
| Sydney (SYD)Australia | 15,112 km | 18 h 40 min |
Distances are the shortest path over the globe, worked out from the coordinates. Flying times are rough estimates for a direct jet flight. They do not mean that a direct flight exists. Work out the distance to any airport.
Links
Airport data: OurAirports, as downloaded on 11 November 2026. This page does not show live flights, terminals or airlines. For those, use the airport's or the airline's own site. See About and data sources.