New York Consolidated Laws, Parks, Recreation and Historic Preservation Law - PAR § 25.18 Trail grooming equipment;  requirements

1. a head light and tail light as required of snowmobiles in this article, as well as a revolving, rotating, flashing, oscillating or constantly moving amber lamp with a minimum candlepower of sufficient intensity to be plainly visible from a distance of five hundred feet from the front and rear during hours of darkness under normal atmospheric conditions;  and

2. reflector material as required for snowmobiles.