The airports that have the longest runways, because they are at altitude where planes need more speed to be able to fly. And long runways to accommodate larger aircraft or non-standard aircraft in Sierra Leone.
Data sources
- AVWX (avwx.rest)
- Aerial maps : Google Maps (www.google.com), Microsoft Bing (www.microsoft.com) ou OpenStreetMap (www.openstreetmap.org)