Recent Department of Transportation regulations affecting small businesses
Page 3 of 18 • Last updated April 30, 2026
259 Department of Transportation regulations have been published in the past 30 days, covering rule changes, notices, and final actions affecting small businesses.
- Request Notice: Use of Foreign-Built Small Passenger Vessel in United States Coastwise Trade, S/V KARINAApril 30, 2026
MARAD is accepting public comments on a request to use the foreign-built vessel S/V KARINA in U.S. coastwise passenger trade to assess potential adverse effects on domestic vessel builders and operators.
- Request Notice: Use of Foreign-Built Small Passenger Vessel in United States Coastwise Trade, S/V MARTHA SEABURYApril 30, 2026
MARAD solicits comments on a request to allow foreign-built small passenger vessel S/V MARTHA SEABURY in U.S. coastwise trade to determine potential adverse effects on U.S. vessel builders and domestic operators.
- Amendment of Class E Airspace; Miami, FLApril 30, 2026
FAA amendment corrects Class E airspace boundaries in Miami, FL to align legal descriptions with the February 13, 2026 final rule.
- Airworthiness Directives; The Boeing Company AirplanesApril 29, 2026
FAA airworthiness directive requires Boeing 757-200 and -300 series operators to revise maintenance and inspection programs to incorporate new or more restrictive airworthiness limitations.
- Notice of Petition for Amendment to Waiver of ComplianceApril 29, 2026
BNSF Railway petitioned the Federal Railroad Administration on September 2, 2025, to amend its existing waiver of compliance regarding calibration of air flow method indicators.
- Airworthiness Directives; Airbus SAS AirplanesApril 29, 2026
FAA proposes to update airworthiness directive for Airbus A319, A320, and A321 aircraft to require repetitive replacement of high-pressure bleed valve clips in addition to existing flight manual and equipment list revisions.
- Notice of Petition for Extension of Waiver of ComplianceApril 29, 2026
Durbin & Greenbrier Valley Railroad seeks FRA extension of regulatory waiver relief for stenciling compliance requirements.
- Airworthiness Directives; Textron Aviation Inc. AirplanesApril 29, 2026
FAA proposes airworthiness directive for Textron Aviation Model 408 airplanes requiring revised maintenance inspections for horizontal and vertical stabilizer spars.
- Airworthiness Directives; Bombardier, Inc., AirplanesApril 29, 2026
FAA proposes airworthiness directive for Bombardier Model BD-700-2A12 airplanes requiring inspection of slat cove rib fasteners to address missing or under-torqued hardware.
- Airworthiness Directives; Leonardo S.p.a. HelicoptersApril 29, 2026
FAA proposes airworthiness directive requiring Leonardo AW189 helicopter operators to repetitively inspect and replace ejector ducts to address cracking safety concerns.
- Availability of Motus, FMCSA's New Registration SystemApril 29, 2026
FMCSA's new Motus registration system launches in phases, with Phase I available December 8, 2025 for supporting companies and Phase II in Q2 2026 for all regulated motor carrier entities.
- Airworthiness Directives; Airbus SAS AirplanesApril 29, 2026
FAA proposes airworthiness directive for certain Airbus A330-200 and A330-300 aircraft to limit ETOPS-180 operations to three flightcrew members and correct oxygen dispatch pressure requirements.
- Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) AirplanesApril 29, 2026
FAA airworthiness directive requires De Havilland DHC-8-401 and -402 aircraft operators to replace elevator power control unit bracket bushings, install doublers, and perform related structural repairs to address in-service cracking hazards.
- Standard Instrument Approach Procedures, and Takeoff Minimums and Obstacle Departure Procedures; Miscellaneous AmendmentsApril 29, 2026
FAA rule establishes and amends Standard Instrument Approach Procedures and Obstacle Departure Procedures for select airports to reflect changes in navigational facilities, obstacles, and airspace requirements.
- Airworthiness Directives; ATR-GIE Avions de Transport Régional AirplanesApril 29, 2026
FAA airworthiness directive requires ATR-GIE Model ATR72 aircraft operators to revise maintenance and inspection programs to incorporate new or more restrictive airworthiness limitations.