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