[Code of Federal Regulations] [Title 14, Volume 2] [Revised as of January 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 14CFR103.1] [Page 687] TITLE 14--AERONAUTICS AND SPACE CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (CONTINUED) PART 103_ULTRALIGHT VEHICLES--Table of Contents Subpart A_General Sec. 103.1 Applicability. Subpart A_General Sec. 103.1 Applicability. 103.3 Inspection requirements. 103.5 Waivers. 103.7 Certification and registration. Subpart B_Operating Rules 103.9 Hazardous operations. 103.11 Daylight operations. 103.13 Operation near aircraft; right-of-way rules. 103.15 Operations over congested areas. 103.17 Operations in certain airspace. 103.19 Operations in prohibited or restricted areas. 103.20 Flight restrictions in the proximity of certain areas designated by notice to airmen. 103.21 Visual reference with the surface. 103.23 Flight visibility and cloud clearance requirements. Authority: 49 U.S.C. 106(g), 40103-40104, 40113, 44701. Source: Docket No. 21631, 47 FR 38776, Sept. 2, 1982, unless otherwise noted. This part prescribes rules governing the operation of ultralight vehicles in the United States. For the purposes of this part, an ultralight vehicle is a vehicle that: (a) Is used or intended to be used for manned operation in the air by a single occupant; (b) Is used or intended to be used for recreation or sport purposes only; (c) Does not have any U.S. or foreign airworthiness certificate; and (d) If unpowered, weighs less than 155 pounds; or (e) If powered: (1) Weighs less than 254 pounds empty weight, excluding floats and safety devices which are intended for deployment in a potentially catastrophic situation; (2) Has a fuel capacity not exceeding 5 U.S. gallons; (3) Is not capable of more than 55 knots calibrated airspeed at full power in level flight; and (4) Has a power-off stall speed which does not exceed 24 knots calibrated airspeed.