EC135
Flight Crew Commercial
Communication Breakdown
Conflict Ground Conflict; Less Severe
Flight Crew Rejected Takeoff
Human Factors; Company Policy
[Operations] advised pilot that [another helicopter] was '10 minutes or so' inbound to [the Medical Center] as well. After departure I received another call from [Operations] asking if I had heard from [the other helicopter]; I responded; 'No.' Landing was uneventful at the helipad. Three aircrew members boarded the aircraft. After performing the Pre-Takeoff Checklist; a crew member requested and we received permission to lift and return to base. As I pulled power; I noticed a bright light flooded the cockpit. I immediately reduced collective pitch and looked over my right shoulder and saw a searchlight and then the undercarriage of a helicopter approaching the parking position from the northwest.I made a call to [Operations] informing them that they had an aircraft landing. They requested that I hold my position. After [the other helicopter] went to flight idle; I made contact with them on area common [frequency.] Both pilots and [Operations] coordinated that [the other helicopter] would remain at the park position until I departed. We departed from the adjoining 'H' without incident.A long term solution would be to develop a universal tracking system where all flight operation centers can see the locations and ID's of all EMS aircraft. Pilots must be ever cautious and diligent when reporting their aircraft's current position and intentions when entering high traffic areas.
EC135 pilot aborted liftoff from a medical center helipad when he observed the lights of another helicopter landing in close proximity.