Assertion: squadron's mission | /r/HasProperty | ordinary air ambulance service
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Source sentences:
text: The unit's helicopters are used when the ordinary helicopter ambulances (Eurocopter EC135, EC145 and AgustaWestland AW139) are unable to operate due to weather; missions in which a large cabin is needed such as due to the number of patients or an incubator; and in areas where the Sea Kings are closer and areas where there is no ordinary air ambulance service.