Dig straight through the Earth and the nearest airport to where you come out is Rarotonga International Airport, Cook Islands.
of the world's airports sit lower than HL56.
| Runway | Length | Width | Surface | Lights |
|---|---|---|---|---|
| 01L / 19R | 11,013 ft 3,357 m | 98 ft | Asphalt | Lit |
| 01R / 19L | 7,491 ft 2,283 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.