Airbus, which has UK manufacturing facilities in Filton and Deeside, has signed a $49.5bn (£37.6bn) agreement to supply new aircraft, its largest ever single order.

The aerospace giant has signed a memorandum of understanding with Indigo Partners’ four portfolio airlines for 430 additional A320neo Family aircraft.

The new aircraft will be used by low-cost airlines Frontier Airlines (US), JetSMART (Chile), Volaris (Mexico) and Wizz Air (Hungary) upon the completion of final purchase agreements.

The new agreement will make Indigo Partners one of the largest customers by order number in the world for the Airbus single-aisle aircraft family. Its airlines have previously have placed orders for 427 A320 Family aircraft.

The 430-aircraft commitment comprises 273 A320neos and 157 A321neos worth $49.5bn (£37.6bn) at list prices. It was announced at the Dubai Airshow by Bill Franke, managing partner of Indigo Partners, and John Leahy, Airbus chief operating officer customers, Airbus Commercial Aircraft.

Leahy said: "Indigo Partners have been a tremendous customer and supporter of the Airbus single-aisle fleet for many years. An order for 430 aircraft is remarkable, but it’s particularly gratifying to all of us at Airbus when it comes from a group of airline professionals who know our products as well as the folks at Indigo Partners do."

Franke added: "This significant commitment for 430 additional aircraft underscores our optimistic view of the growth potential of our family of low-cost airlines, as well as our confidence in the A320neo Family as a platform for that growth."

The Wizz Air order was unveiled this morning (15 November) and will add more than 140 new aircraft to its fleet.

The airline recently applied for a number of licences from the Civil Aviation Authority (CAA) to operate in the UK, with Luton lined up as its headquarters in the country.

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