; (2) in subsection (b)— (A) in paragraph (9), by striking (and any other victim of the accident) and inserting (and any other victim of the accident, including any victim on the ground) ; (B) in paragraph (16), by striking major and inserting any ; and (C) in paragraph (17)(A), by striking significant and inserting any ; and (3) by amending subsection (e) to read as follows: (e) Definitions In this section: (1) Aircraft accident means any aviation disaster, regardless of its cause or suspected cause, for which the National Transportation Safety Board is the lead investigative agency. (2) Passenger has the meaning given the term in section 1136. . (b) Foreign air carriers providing foreign air transportation Section 41313 is amended— (1) in subsection (b), by striking a major and inserting any ; and (2) in subsection (c)— (A) in paragraph (1), by striking a significant and inserting any ; (B) in paragraph (2), by striking a significant and inserting any ; (C) in paragraph (16), by striking major and inserting any ; and (D) in paragraph (17)(A), by striking significant and inserting any . (c) National Transportation Safety Board Section 1136(a) is amended by striking aircraft accident within the United States involving an air carrier or foreign air carrier and resulting in a major loss of life and inserting aircraft accident involving an air carrier or foreign air carrier, resulting in any loss of life, and for which the National Transportation Safety Board will serve as the lead investigative agency . 3104. Travelers with disabilities (a) In general Not later than 1 year after the date of enactment of this Act, the Comptroller General of the United States shall— (1) conduct a study of airport accessibility best practices for individuals with disabilities