C.F.R. » Title 14 » CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION › SUBCHAPTER C—AIRCRAFT › PART 25—AIRWORTHINESS STANDARDS: TRANSPORT CATEGORY AIRPLANES › Subpart D—Design and Construction

14 C.F.R. § 25.815

Width of aisle

Read at: eCFRecfr.gov CornellLII GovInfogovinfo.gov CasesGoogle Scholar

The passenger aisle width at any point between seats must equal or exceed the values in the following table:

Passenger seating capacityMinimum passenger aisle width (inches)
Less than 25 in. from floor25 in. and more from floor
10 or less1 1215
11 through 191220
20 or more1520
1 A narrower width not less than 9 inches may be approved when substantiated by tests found necessary by the Administrator.
[Amdt. 25-15, 32 FR 13265, Sept. 20, 1967, as amended by Amdt. 25-38, 41 FR 55466, Dec. 20, 1976]