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.
The basic VFR minimum visibility at night for class G, E, D, and C airspace below 10,000 ft MSL is 3sm. An exception to that minimum is when below 1,200ft above the surface and the visibility is at least 1 but less than 3sm
(a) Except as provided in appendix D, section 3, of this part, special VFR operations may be conducted under the weather minimums and requirements of this section, instead of those contained in § 91.155, below 10,000 feet MSL within the airspace contained by the upward extension of the lateral boundaries of the controlled airspace designated
Class A. Controlled high-level airspace. IFR only. Class B. Controlled low-level airspace (above 12,500 feet ASL, up to but not including 18,000 feet ASL). IFR and Controlled VFR (CVFR) only. VFR aircraft require an ATC clearance before entry. Class C. Controlled airspace. IFR and VFR permitted. ATC provides separation for IFR and VFR flights
6. Generally the airspace associated with the nations busiest airports. Describe class Charlie airspace. 1. Inner core has a 5nm radius and runs from the SFC to 4000agl unless otherwise depicted. 2. Outer core has a 10nm radius and runs from 1,200 MSL to 4000' AGL. Airspeed is restricted to 200 kts within 4nm of class Charlie. 3.
(3) In Class G airspace, IFR departures with visual transitions are authorized only after the pilot in command determines that the weather conditions at the departure point are at or above takeoff minimums depicted in a published departure procedure or VFR minimum ceilings and visibilities in accordance with § 135.609.
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class g airspace vfr minimums
