| Abbreviation | Definition |
|---|---|
| HLLQ | El Beida-Labraq, Libya |
| HLLS | Sebha, Libya |
| HLLT | Tripoli Idris-Jamahiriya, Libya |
| HLM | Holland, Michigan USA |
| HLMB | Marsa Brega, Libya |
| HLN | Helena, Montana USA |
| HLNF | Ras Lanouf V 40, Libya |
| HLON | Houn, Libya |
| HLP | Halim Perdana Kusuma, Indonesia |
| HLRA | Dahra, Libya |
| HLRF | Jaref-Sirte, Libya |
| HLS | St. Helens, Tasmania, Australia |
| HLSD | Essider, Libya |
| HLT | Hamilton, Victoria, Australia |
| HLTD | Ghadames, Libya |
| HLU | Houailou, New Caledonia |
| HLV | Helenvale, Queensland, Australia |
| HLW | Hluhluwe, South Africa |
| HLY | Holyhead, Wales |
| HLZ | Hamilton, New Zealand |