AgustaWestland has granted UK-based Meggitt Avionics a contract to provide secondary flight display systems as emergency backups for three helicopter variants—the AW101, AW139 and AB212. Dubbed the iSDF, Meggitt says the solid-state, third generation system will be closely matched to the primary avionics. More than 5,000 of the iSDFs are currently in service aboard other aircraft worldwide. Meggitt also builds helicopter air data systems (HADS).
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