Aeronautical Information Manual (AIM), page 148
AIM 12/10/15 TBL 3-1-1 Basic VFR Weather Minimums Airspace Flight Visibility Distance from Clouds Class A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Not Applicable Not Applicable Class B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 statute miles Clear of Clouds Class C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 statute miles 500 feet below 1,000 feet above 2,000 feet horizontal Class D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 statute miles 500 feet below 1,000 feet above 2,000 feet horizontal Class E Less than 10,000 feet MSL . . . . . . . . . . . . . . . . . . . . . . . . 3 statute miles 500 feet below 1,000 feet above 2,000 feet horizontal At or above 10,000 feet MSL . . . . . . . . . . . . . . . . . . . . . . 5 statute miles 1,000 feet below 1,000 feet above 1 statute mile horizontal Class G 1,200 feet or less above the surface (regardless of MSL altitude). Day, except as provided in section 91.155(b) . . . . . . . . . . 1 statute mile Clear of clouds Night, except as provided in section 91.155(b) . . . . . . . . . 3 statute miles 500 feet below 1,000 feet above 2,000 feet horizontal More than 1,200 feet above the surface but less than 10,000 feet MSL. Day . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 statute mile 500 feet below 1,000 feet above 2,000 feet horizontal Night . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 statute miles 500 feet below 1,000 feet above 2,000 feet horizontal More than 1,200 feet above the surface and at or above 5 statute miles 1,000 feet below 10,000 feet MSL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1,000 feet above 1 statute mile horizontal 3-1-5. VFR Cruising Altitudes and Flight Levels (See TBL 3-1-2.) TBL 3-1-2 VFR Cruising Altitudes and Flight Levels If your magnetic course And you are more than 3,000 feet above the And you are above 18,000 feet (ground track) is: surface but below 18,000 feet MSL, fly: MSL to FL 290, fly: 0 to 179 . . . . . . . . . . . . . . . . Odd thousands MSL, plus 500 feet Odd Flight Levels plus 500 feet (3,500; 5,500; 7,500, etc.) (FL 195; FL 215; FL 235, etc.) 180 to 359 . . . . . . . . . . . . . . Even thousands MSL, plus 500 feet Even Flight Levels plus 500 feet (4,500; 6,500; 8,500, etc.) (FL 185; FL 205; FL 225, etc.) 3-1-2 General
Page 148 of the Aeronautical Information Manual (AIM.pdf)
AIM: Official Guide to Basic Flight Information and ATC Procedures