Dig straight through the Earth and the nearest airport to where you come out is Fua'amotu International Airport, Tonga.
of the world's airports sit higher than HL77.
| Runway | Length | Width | Surface | Lights |
|---|---|---|---|---|
| 10L / 28R | 10,500 ft 3,200 m | 148 ft | Asphalt | – |
| 10R / 28L | 10,500 ft 3,200 m | 148 ft | Asphalt | – |
A runway is named after its compass heading divided by ten: 09 points east (090°) and 27 west (270°). L, C and R mark the left, centre and right of parallel runways.