United States Government Publishing Office publisher pbl distributor dst United States National Archives and Records Administration Office of the Federal Register author aut Government Organization text government publication eng FR Regulatory Information 2026_register executive 2026-04-11 article Notices D09002ee1e07247e9 D09002ee1e07248d8 United States Department of Transportation originator org United States Government Agency or Subagency United States Federal Aviation Administration originator org United States Government Agency or Subagency This notice summarizes the petition Hermeus Corporation submitted to FAA requesting a special flight authorization as provided for in FAA regulations. The notice also provides for public awareness of FAA's decision to grant Hermeus Corporation's request. FAA is not requesting comments on the petition or FAA's decision regarding the petition because a special flight authorization petition to exceed Mach 1 follows a separate regulatory process. 91 FR 18966 https://www.govinfo.gov/app/details/FR-2026-04-13/2026-07121 2026-07121 fr13ap26-93 4910-13-P https://www.govinfo.gov/app/details/FR-2026-04-13/2026-07121 https://www.govinfo.gov/content/pkg/FR-2026-04-13/html/2026-07121.htm https://www.govinfo.gov/content/pkg/FR-2026-04-13/pdf/2026-07121.pdf 1 p. 18966 18966 91 FR 18966 Petition for Authorization To Exceed Mach 1; Federal Register Vol. 91, Issue NOTICE 2026-07121 DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 2026-04-09 4910-13-P 2026-07121 Notice of decision to grant an authorization to exceed Mach 1.

This notice summarizes the petition Hermeus Corporation submitted to FAA requesting a special flight authorization as provided for in FAA regulations. The notice also provides for public awareness of FAA's decision to grant Hermeus Corporation's request. FAA is not requesting comments on the petition or FAA's decision regarding the petition because a special flight authorization petition to exceed Mach 1 follows a separate regulatory process.

The grant of the special flight authorization to exceed Mach 1 is effective April 9, 2026. David Senzig, Office of Environment and Energy, Federal Aviation Administration, 800 Independence Avenue SW, Washington, DC 20591; 781-238-7034, david.a.senzig@faa.gov. Petition Authorization to Exceed Mach 1, david.a.senzig@faa.gov https://www.faa.gov/about/office_org/headquarters_offices/apl/aee/env_policy/sfa_supersonic Vol. 91, no. 70 Office of the Federal Register, National Archives and Records Administration 2026-04-13 continuing daily deposited born digital 298 p. Table of Contents: AE 2.7: GS 4.107: AE 2.106: KF70.A2 https://www.govinfo.gov/app/details/FR-2026-04-13 P0b002ee1e0704d2d 0097-6326 0042-1219 0364-1406 769-004-00000-9 000582072 f:fr13ap26 https://www.govinfo.gov/app/details/FR-2026-04-13 https://www.govinfo.gov/content/pkg/FR-2026-04-13/pdf/FR-2026-04-13.pdf https://www.govinfo.gov/content/pkg/FR-2026-04-13/xml/FR-2026-04-13.xml fdlp 18767 19056 DGPO 2026-04-11 2026-04-11 FR-2026-04-13 machine generated eng FR FR-2026-04-13 91 70