Patent ID: 8033502

Claim:
Aircraft comprising: a fuselage having starboard and port side attachment rails disposed longitudinally parallel to one another, each of the starboard and port side attachment rails consisting of an outboard rail, an inboard rail and a center rail positioned between the inboard and outboard rails; and a plurality of interior fixtures attached to predetermined pairs of the starboard and port side attachment rails to provide for a configuration of the fixtures within the fuselage, wherein each of the outboard and center rails of the starboard and port side attachment rails is separated by a dimension Do, each of the inboard and center rails of the starboard and port rails is separated by a dimension Di which is greater dimension Do, and each of the inboard rails of the starboard and port rails is separated by a dimension Dc which is greater than the dimension Di, and wherein each fixture has fixed attachment posts asymmetrically oriented relative to a longitudinal centerline plane of the fixture and adapted for attachment to the respective predetermined pairs of the starboard and port side attachment rails.