PHL bases provide rescue and recovery services however if there are injured people involved then you should contact the Emergency Services for assistance.
We have provided helicopters to search for missing vehicles and often been called to recover such things as cows, sheep, quad bikes, etc. from gullies and difficult terrain.
Typically, for most recovery operations a ground crew is required to communicate with the pilot, harness the load and connect it to the helicopter's long line.
Rescue Coordination Centre New Zealand 24-Hour Emergency Numbers:
New Zealand only 0508 472 269 or International: +64 4 577 8030