In standard 3-3 economy layout, the aisle width of the Airbus A320 is 19 inches.
The standard configuration of an Airbus A321 is for three seats either side of the aisle.
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The only new Airbus aircraft is the two-aisle twin-engined A350 which is scheduled for first flight during 2011.
The standard seating plan of the Airbus A319 is for 24 rows of six seats, three seats either side of a central aisle.
Qatar operate five different Airbus models in a total of 11 variants. The two-aisle aircraft (A330 and A340) use a 2-4-4 economy seating layout. The single-aisle planes (A319, A320 and A321) use a 3-3 layout.
Airbus do not make an aircraft designated M83. Most of their 2-aisle wide-bodied jets use a 2-4-2 economy seating plan. The smaller 1-aisle aircraft (A320) use a 3-3 economy plan.
The Airbus A310 is a twin aisle aircraft, with the normal economy configuration being 2+4+2. Business class, where fitted, is generally 2+2+2.
There are many Airbus versions. You have not mentioned which. - In the A380 a K seat is by the starboard (right ) window
The Airbus A320 is normally configured with three seats either side of the aisle, with 164 seats in 1-class configuration or 150 in 2-class.
The standard configuration is three seats either side of the aisle with 164 seats in 1-class configuration or 150 in 2-class.
19g per 100g