Small Aircraft; High Wing; 1 Eng; Fixed Gear
Flight Crew Instrument; Flight Crew Commercial
Flight Crew Last 90 Days 10; Flight Crew Total 2775; Flight Crew Type 1430
Communication Breakdown; Situational Awareness
Conflict NMAC; Deviation / Discrepancy - Procedural Published Material / Policy
Flight Crew Took Evasive Action
Airport; Human Factors
I waited for a helicopter to land. After it did and it was no longer visible on the runway; I announced my takeoff; taxied on the runway; and started my takeoff run. The helicopter was still at the far end of the runway; apparently practicing hovering; and had not been apparent to me. [Due to the paint color; it] disappeared in the background clutter. I climbed away to the left and it veered off to the right.Helicopters are asked not to hover taxi on the runways; but they do. When done at the far end of a 3;300-foot runway they are difficult to see against the background. In this case; I should have repeated my calls and specifically asked for verification that the helicopter was clear of the runway.
GA pilot reported a NMAC with a helicopter doing hover work on the runway during takeoff at CPM non-towered field.