§103.11 Daylight operations.
(a) No person may operate an ultralight vehicle except between the hours of sunrise and sunset.
(b) Notwithstanding paragraph (a) of this section, ultralight vehicles may be operated during the twilight periods 30 minutes before official sunrise and 30 minutes after official sunset or, in Alaska, during the period of civil twilight as defined in the Air Almanac, if:
(1) The vehicle is equipped with an operating anticollision light visible for at least 3 statute miles; and
(2) All operations are conducted in uncontrolled airspace.
§103.13 Operation near aircraft right-of-way rules.
(a) Each person operating an ultralight vehicle shall maintain vigilance so as to see and avoid aircraft and shall yield the right-of-way to all aircraft.
(b) No person may operate an ultralight vehicle in a manner that creates a collision hazard with respect to any aircraft.
(c) Powered ultralights shall yield the right-of-way to unpowered ultralights.
§103.15 Operations over congested areas.
No person may operate an ultralight vehicle over any congested area of a city, town or settlement, or over any open air assembly of persons.
§103.17 Operations in certain airspace.
No person may operate an ultralight vehicle within an airport traffic area, control zone, airport radar service area, terminal control area, or positive control area unless that person has prior authorization from the air traffic control facility having jurisdiction over that airspace.
[Doc. No. 23708, 50 FR 9259, Mar. 6, 1985]
EFFECTIVE DATE NOTE: By Amdt. 103-4, 56 FR 65662, Dec. 17 1991 §103.17 was revised, effective September 16, 1993. For the convenience of the user, the revised text follows.
§103.17 Operations in certain airspace.
No person may operate an ultralight vehicle within Class A, Class B, Class C, or Class D airspace or within the lateral boundaries of the surface area of Class E airspace designated for an airport unless that person has prior authorization from the ATC facility having jurisdiction over that airspace.
[Doc. No 24456, 56 FR 65662, Dec. 17 1991]
§103.19 Operations in prohibited/restricted areas.
No person may operate an ultralight vehicle in prohibited or restricted areas unless that person has permission from the using or controlling agency, as appropriate.
§103.20 Flight restrictions in the proximity of certain areas designated by notice to airmen.
No person may operate an ultralight vehicle in areas designated in a Notice to Airmen under §91.143 or §91.141 of this chapter unless authorized by ATC.
[Doc. No. 24454, 50 FR 4969, Feb. 5 1985, as amended by Amdt. 103-3, 54 FR 343311, Aug. 18, 1989]
§103.21 Visual reference with the surface.
No person may operate an ultralight except by visual reference with the surface.
§103.23 Flight visibility and cloud clearance requirements.
No person may operate an ultralight vehicle when the flight visibility or distance from clouds is less than that in the table found below. All operations in Class A, Class B, Class C, and Class D airspace or Class E airspace designated for an airport must receive prior ATC authorization as required in §103.17 of this part.