Iridium

A global satellite network (e.g. Iridium Go!, Iridium Certus) widely used by offshore sailors for voice, SMS, weather downloads, and low-bandwidth email anywhere on Earth.

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Related I-terms

Inboard

Located inside the rail or within the hull of the boat.

In-mast furling

A reefing system in which the mainsail is rolled onto a vertical spindle inside a hollow m…

Inverter

An electronic device that converts the boat's 12/24 V DC supply into 120/230 V AC mains fo…

In irons

Stalled head-to-wind with insufficient way to steer — neither on one tack nor the other.

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