The upper deck
The 747-8 upper deck borrows cabin architecture from the 787.
The upper deck of the 747-8, showing the curved ceiling and indirect lighting taken from the 787.
A cabin between the cabin
The upper deck is effectively a separate cabin: its own galley, its own evacuation routes, and a floor area that cannot be extended. On the 747-8 it gained a new job in cabin planning too — it is where the flight-crew rest area moved to, which is what freed main-deck and lower-hold space and contributed to the aircraft carrying a third more cargo than a 747-400.
Airlines have generally used the upper deck as a premium cabin since the 747-300 stretched it — a long way from the lounges and piano bars of the first 747s. In the classic cabin schemes the space held swivel chairs and bars; forty years on it holds lie-flat beds and a stair to the business cabin.
The seating is typically 2-2 in first class and 3-3 in economy, against 3-4-3 downstairs, which is much of why passengers seek it out — and why airlines can charge for it.
The light and the mood
Being the smaller cabin, the upper deck shows off the 787’s details clearly: the curved ceiling, larger windows (16 percent bigger than the 747-400’s) and LED lighting that can run from sunrise to sunset across a flight.
Sources
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