| helicopter → UsedFor → rescue | 0.66 | |
| helicopter → UsedFor → search | 0.54 | |
| helicopter → UsedFor → training | 0.52 | |
| helicopter → UsedFor → emergency medical services | 0.50 | |
| helicopter → UsedFor → search-and-rescue missions | 0.48 | |
| helicopter → UsedFor → sightseeing | 0.41 | |
| helicopter → UsedFor → firefighting | 0.38 | |
| helicopter → UsedFor → law enforcement | 0.35 | |
| helicopter → UsedFor → medical evacuation | 0.35 | |
| helicopter → UsedFor → reconnaissance | 0.35 | |
| helicopter → UsedFor → surveillance | 0.34 | |
| helicopter → UsedFor → vip transport | 0.34 | |
| helicopter → UsedFor → anti-submarine warfare | 0.28 | |
| helicopter → UsedFor → disaster relief | 0.28 | |
| helicopter → UsedFor → aerial photography | 0.25 | |
| helicopter → UsedFor → air ambulance services | 0.25 | |
| helicopter → UsedFor → construction | 0.25 | |
| helicopter → UsedFor → water and fire retardant drops | 0.25 |