Japan Airlines (JAL) has unveiled details on the new seats it plans to introduce on 13 of its Boeing 777-300ER aircraft.
These aircraft will each be retrofitted with eight first class seats, 49 business class seats, 40 premium economy seats and 135 economy seats, the Oneworld alliance member said in a statement.
The retrofitted aircraft will be deployed starting January 2013 on the Tokyo Narita-London Heathrow route, before being operated on flights to other destinations like New York.
The first class section of the aircraft will be in 1-2-1 configuration and one seat will have a 78.5in (2m) length when transformed into a bed. These seats, supplied by Contour Aerospace, will also feature 23in personal TV screens, LCD hand-held controllers with touch panels and Tempur bedding, the airline said.
The aircraft's business class, with a 2-3-2 seat configuration, will have seats with a 74in seat pitch that allows unobstructed aisle access. B/E Aerospace will provide the full lie-flat seats, which will also have 23in personal TV screens.
The premium economy seats by Sicma Aero Seat will have a 2-4-2 seat configuration. The seat pitch will be increased by 4in to 42in and the seat-slide will be increased by 2.8in.
It will also have a centre divider in between seats, a three-step adjustable footrest and a larger 12.1in TV screen.
The economy class seats from Zim Flugsitz will feature a seat pitch of up to 34in, a seat width increase of 0.8in and slimmer seat backs, which allow an additional 3cm of knee-level space.