The Whistle Board Newsletter – No. 156, April 2022

Categories

• Announcements
• Development Groups
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• New Products
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• Newsletters
• Public Consultations
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Recent Updates

• ARISO The Standard Edition 5, April 2026
• Code of Practice – Type Approval – Signalling
• AS 7717 Signalling Testing and Commissioning
• ARISO The Standard Edition 4, March 2026

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