Alison Whelan, 51, also shouted "I'm a pirate" at cops as she drifted away on the River Dart.
A Torquay court heard that the would-be corsair had been on a two-day bender last September, drinking Lambrini and eating hallucinogenic plants, when she sought late-night shelter with a companion on the Dart Princess passenger ferry.
When police arrived to speak to her she unmoored the 45ft vessel from the Kingswear pontoon and set off up the river.
The
