14 C.F.R. § 23.815 Width of aisle.
Title 14 - Aeronautics and Space
(a) Except as provided in paragraph (b) of this section, for commuter category airplanes, the width of the main passenger aisle at any point between seats must equal or exceed the values in the following table: (b) When certification to the emergency exist provisions of §23.807(d)(4) is requested, the main passenger aisle width at any point between the seats must equal or exceed the following values: [Amdt. 23–34, 52 FR 1831, Jan. 15, 1987, as amended by Amdt. 23–46, 59 FR 25774, May 17, 1994]
Title 14: Aeronautics and Space
PART 23—AIRWORTHINESS STANDARDS: NORMAL, UTILITY, ACROBATIC, AND COMMUTER CATEGORY AIRPLANES
Subpart D—Design and Construction
Personnel and Cargo Accommodations
§ 23.815 Width of aisle.
------------------------------------------------------------------------ Minimum main passenger aisle width --------------------------------------- Number of passenger seats Less than 25 25 inches and more inches from floor from floor------------------------------------------------------------------------10 through 19................... 9 inches.......... 15 inches.------------------------------------------------------------------------
------------------------------------------------------------------------ Minimum main passenger aisle width (inches) ------------------------- Number of passenger seats Less than 25 inches 25 inches and more from floor from floor------------------------------------------------------------------------10 or fewer................................... \1\ 12 1511 through 19................................. 12 20------------------------------------------------------------------------\1\ A narrower width not less than 9 inches may be approved when substantiated by tests found necessary by the Administrator.
