14 CFR § 25.815
Width of aisle
July 13, 2020
The passenger aisle width at any point between seats must equal or exceed the values in the following table:
Open Table
Passenger seating capacity | Minimum passenger aisle width (inches) | |
---|---|---|
Less than 25 in. from floor | 25 in. and more from floor | |
10 or less | 112 | 15 |
11 through 19 | 12 | 20 |
20 or more | 15 | 20 |
1A 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]