India's aviation regulator has warned Air India for breaching safety rules after three of its Airbus planes flew despite being overdue checks on emergency equipment, and for being slow to address the issue,

The Directorate General of Civil Aviation in India has put Air India on notice for breaching critical safety protocols. Reports indicate that some Airbus jets have been operating without up-to-date checks on their emergency evacuation systems.

Airbus secured more aircraft orders yesterday, raising its total to $21 billion at this week's subdued Paris Air Show, while rival Boeing opted not to announce new sales following last week's Air India 787 crash.