Airbus says it is confident that there is enough interest the launch the A3XX, with four airlines (Air France, Emirates Air, Singapore Airlines, and leasing firm ILFC) already committed to firm orders and several others (believed to include Virgin Atlantic and Qantas) discussing terms.

BBC: Development of the A3xx would be expensive

The coalition committed to reviewing control orders as part of a wider review, led by former public prosecutions director Lord Macdonald, of counter terrorism legislation.

BBC: Terrorism Prevention and Investigation Measures Bill

As a consequence of background checks, law enforcement has been able to stop people who have been convicted of murder from getting a gun, people who are under restraining orders for having committed violent domestic abuse from getting a gun.

WHITEHOUSE: President Obama Speaks on Reducing Gun Violence

And those crimes that could have been committed might be contempt as there are court orders calling for preservation of the materials that might have been included in the tapes.

NPR: Justice Department to Investigate CIA Tapes

Supplier GE is committed to buying 20 of them, but all remaining 360 orders come from Chinese airlines and leasing companies.

FORBES: China's Aviation ABCs: Airbus, Boeing, and COMAC