The term 'chopper topper' refers to a type of job that involves the maintenance and repair of helicopters. The crossword solutions for this term are 'ROTOR' (5 letters), 'rotors' (6 letters), 'HOE' (3 letters) and 'helipad' (7 letters). A ROTOR is a rotating part of a helicopter, such as the main ROTOR or tail ROTOR. Rotors are the parts that allow the helicopter to fly. A HOE is a tool used to dig and remove soil, which is necessary for the construction of a helipad. A helipad is a landing area for helicopters, usually made of concrete or asphalt. Therefore, the job of a chopper topper involves maintaining and repairing helicopters, as well as constructing helipads.