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]


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