49 C.F.R. § 831.15
The NTSB is required by the Federal Civil Penalties Inflation Adjustment Act of 1990, Public Law 101-410, 104 Stat. 890, as amended by the Federal Civil Penalties Inflation Adjustment Act Improvements Act of 2015, Public Law 114-74, sec. 701, 129 Stat. 584 (codified at 28 U.S.C. 2461 note) to adjust the maximum amount of each civil monetary penalty within its jurisdiction by the rate of inflation. Accordingly, for violations of 49 U.S.C. 1132 , 1134(b) , 1134(f)(1) , or 1136(g) , the NTSB may assess a civil penalty pursuant to 49 U.S.C. 1155(a) no greater than $2,058 against any person, except a member of the armed forces of the United States or an employee of the Department of Defense subject to the Uniform Code of Military Justice, when the member or employee is performing official duties.
49 C.F.R. §831.15