Germany-based Lufthansa Technik is developing a $340 million VIP cabin concept on an A330 private jet. The design features a spa, bedrooms, standing showers, a dance floor, and a retractable deck.

The largest of them, the A330-900, is capable of seating 460 economy passengers. In a three-class layout, that number drops to no more than 300 seats per A330-900.

Airbus said it had nothing to add to recent comments made by a senior marketing executive, Crawford Hamilton, who told Air Insight website there was no immediate need to revamp the A330.

Airbus (AIR.PA) announced a revamp of its twin-aisle A330 passenger jet on Monday, offering a cheaper alternative to the Boeing 787 Dreamliner as the two planemakers vie for up to $250 billion in ...