This is influenced by a range of factors and will be facilitated by ARV and Ambulance Victoria coordination staff. Factors include (11):
- Nature of trauma.
- Possible clinical impact of the transport environment.
- Urgency of intervention.
- Location of patient.
- Distances involved.
- Number of retrieval personnel and volume of accompanying equipment.
- Road transport times and road conditions.
- Weather conditions and aviation restrictions for airborne transport.
- Aircraft landing facilities.
- Range and speed of vehicle.