14 C.F.R. § 25.817 Maximum number of seats abreast.
Title 14 - Aeronautics and Space
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. [Amdt. 25–15, 32 FR 13265, Sept. 20, 1967]
Title 14: Aeronautics and Space
PART 25—AIRWORTHINESS STANDARDS: TRANSPORT CATEGORY AIRPLANES
Subpart D—Design and Construction
Emergency Provisions
§ 25.817 Maximum number of seats abreast.
