14 CFR · Part 25
14 CFR § 25.817
Maximum number of seats abreast.
On airplanes having only one passenger aisle, no more than three seats abreast may be placed on each side of the aisle in any one row.
Reflects the eCFR edition current as of September 29, 2026. Retrieved from ecfr.gov on October 16, 2026.
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