Could be any number but we know the max order size per plane.

"The nominally 300-seat 767s are fitted with 100 Sicma Majesty seats with built-in reading light, laptop power and massage function, and the ability to convert into 75in flat beds. Fares will start at £799 return, well under half the cost of flying business class with British Airways or Virgin Atlantic from the two major London terminals.

London-based Mezzo Movies has been selected to supply handheld IFE based on eVU devices from e.Digital. Mezzo confirmed last year that it had received an initial batch of players from the Californian company. Silverjet is Mezzo’s second customer, following the announcement of UK low-cost carrier Jet2 in November. The “Silver Screen” service will offer a choice of 15 films, 12 US and British comedy shows, six drama/documentary programmes and over 240 music videos. Noise-reduction headsets will be provided."