SPA.HEMS.100 Helicopter emergency medical service (HEMS) operations SPA.HEMS.105 HEMS HEC operations SPA.HEMS.110 Equipment requirements for HEMS operations SPA.HEMS.115 Communication SPA.HEMS.120 HEMS operating minima SPA.HEMS.125 Performance requirements for HEMS operations SPA.HEMS.130 Crew requirements SPA.HEMS.135 HEMS medical passenger and other personnel briefing SPA.HEMS.140 Information, procedures and documentation SPA.HEMS.145 HEMS operating base facilities SPA.HEMS.150 Fuel/energy supply - alleviation SPA.HEMS.151 Aircraft tracking system SPA.HEMS.155 Refuelling with passengers on board