EC145
Flight Crew Private; Flight Crew Instrument
Flight Crew Last 90 Days 27; Flight Crew Total 2530; Flight Crew Type 30
Situational Awareness
Conflict NMAC
Flight Crew Took Evasive Action
Human Factors
While performing Helicopter Emergency Medical Services (HEMS) operations at a hospital; I lifted from the hospital helipad to return to home base. The hospital helipad sits virtually equidistant between [two] airports. Both airports operate on separate Unicom frequencies; but are only 11 NM apart. Considering [one of the airports] to be closer I made a Unicom takeoff call on [their frequency] as well as with company dispatch radio; all the while monitoring [the other frequency] on the 3rd radio for any traffic making calls; none were heard on [the second frequency]. On initial climb from hospital (with no response to Unicom call on [either frequency]); TCAS sounded a proximity alarm and a low flying east-bound fixed wing was spotted approaching from my 9 o'clock at the same altitude. Evasive maneuvers were performed by both aircraft and collision was avoided. I then resumed my climb and northwest flight and landed uneventfully at base.
EC145 helicopter pilot reported an NMAC with a fixed wing aircraft.