At unfamiliar airfields, it's a good practice to simply follow standard taxi routes used by fixed-wing aircraft until reaching a point well enough clear of obstructions, hangars, etc. to be able to make a safe takeoff in the desired direction. read more
Helicopters using wheeled landing gear do not have a drivetrain providing power to the wheels, though they are equipped with brakes. The helicopter can taxi on them, similar to fixed wing aircraft, or they can hover taxi, as most helicopters do. read more