; (C) regulating the total number of flights per day; (D) regulating route requirements over occupied areas; (E) prohibiting flights over tribal parks, ocean recreation, cemeteries, and other areas of tribal interest; and (F) requiring commercial air tours to operate at lower decibels for purposes of noise requirements. (2) FAA exceptions The Administrator of the Federal Aviation Administration may invalidate a regulation imposed pursuant to paragraph (1) if required for flight operations for takeoff and landing. (3) Tribal entity In this subsection, the term tribal entity means— (A) tribal organizations as defined in sections 4(l) of the Indian Self-Determination and Education Assistance Act of 1975 ( 25 U.S.C. 5304 ); (B) tribally designated housing entities as defined in section 4(22) of the Native American Housing Assistance and Self-Determination Act of 1996 ( 25 U.S.C. 4103(22) ); or (C) Indian-owned businesses and tribal enterprises as defined in sections 3(5) and 3(8) of the Native American Business Development, Trade Promotion, and Tourism Act of 2000 ( 25 U.S.C. 4302(5) and (8)). ; (15) in subsection (g)(1), by striking over a national park and inserting over tribal lands ; (16) in subsection (g)(2), by striking over a national park and inserting over tribal lands ; and (17) by striking subsection (g)(4). 7. NTSB recommendations (a) In general The Administrator shall implement all recommendations concerning operators under part 135 of title 14, Code of Federal Regulations, that— (1) were issued by the National Transportation Safety Board; and (2) are considered by the Board to be open unacceptable response. (b) Part 135 regulation The Administrator— (1) shall require all commercial air tours to operate pursuant to part 135 of title 14, Code of Federal Regulations