The ornamental design for a helicopterpedals, as shown and described.
FIG. 1 is a top, right front perspective view of the helicopter pedals showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a top plan view thereof; and,
FIG. 6 is a bottom plan view thereof.
The broken line showing of structural elements is included for the purpose of illustrating portions of the helicopter pedals that form no part of the claimed design.