Yeovil company AgustaWestland has signed a £1 billion deal with Norway to supply 16 Search and Rescue helicopters.
The AW101s will be delivered from 2017 through to 2020.
The Business Secretary, Vince Cable says it's great news for British aerospace and helps protect 3,000 jobs. All the aircraft will be built in Yeovil.
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A mild evening will be overcast with wet spells. Some rainy patches will be heavy.
It will be mostly cloudy and mild with outbreaks of rain, some heavy. Windy, with gales possible in exposed areas.