Self-steering gear

（重定向自Autohelm）

A tiller-pilot on a sailing boat - simple electronic self-steering.

Yacht with highlighted self-steering device

A windvane self-steering with auxiliary rudder and trim tab servo

Self-steering gear is equipment used on ships and boats to maintain a chosen course without constant human action. It is also known by several other terms, such as autopilot (borrowed from aircraft and considered incorrect by some) and autohelm (technically a Raymarine trademark, but often used generically). Several forms of self-steering gear exist, divided into two categories: electronic and mechanical.

单词	Autohelm
释义	Autohelm 英语百科 Self-steering gear （重定向自Autohelm） Self-steering gear is equipment used on ships and boats to maintain a chosen course without constant human action. It is also known by several other terms, such as autopilot (borrowed from aircraft and considered incorrect by some) and autohelm (technically a Raymarine trademark, but often used generically). Several forms of self-steering gear exist, divided into two categories: electronic and mechanical.
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