| Subject | English | French |
| gen. | attainability of high reliability and availability factor | possibilité d'atteindre des taux élevés de sécurité et d'exploitation |
| comp., MS | high availability | haute disponibilité (The ability of a system or device to be usable when it is needed. When expressed as a percentage, high availability is the actual service time divided by the required service time. Although high availability does not guarantee that a system will have no downtime, a network often is considered highly available if it achieves 99.999 percent network uptime) |
| avia., Canada, tech. | High Availability FSS Weather Graphics System | Système graphique météorologique des FSS à haute disponibilité |
| avia., Canada | High Availability Linux Cluster | grappe Linux à haute disponibilité |
| avia., Canada | high intensity approach lighting availability | disponibilité du balisage lumineux d’approche à haute intensité |