PA-32 Cherokee Six/Lance/Saratoga/6X
Flight Crew Commercial; Flight Crew Flight Instructor; Flight Crew Multiengine; Flight Crew Instrument
Flight Crew Last 90 Days 300; Flight Crew Total 1350; Flight Crew Type 100
Communication Breakdown; Situational Awareness
Conflict Ground Conflict; Critical
Flight Crew Took Evasive Action
Human Factors
[Airport] emergency services arrived as I was running up for departure; I questioned over Unicom whether emergency services were on the active runway and received a reply from a pilot who departed a few moments before me stating that they were not on the active runway. Since I was not able to directly see if they were or were not there I proceeded to takeoff and announced my departure on Unicom. After applying power and beginning my take off roll the emergency personnel called in over the radio stating that they were on the runway. By that time I did not have the available distance to abort my takeoff and if I had it may have been more dangerous than continuing the takeoff. I rotated as soon as practical and made a sharp turn to the left to avoid overflying the cars/people on the runway. I made all reasonable attempts to ensure the runway was clear while emergency services made no attempt to announce their position.
GA pilot reported taking off over emergency services that were unknowingly on the runway.