Pensioner Concession Card and Commonwealth Seniors Health Card holders are entitled to free ambulance transport services. St John's ambulance offers a subscription service for ambulance cover in the Northern Territory (https://www.stjohnnt.org.au/ambulance/ambulance-cover.php). Cover is included whilst interstate for less than 21 days.
For further information about this policy see: http://www.bupa.com.au/health-insurance/cover/ambulance