|
Category |
Ceiling |
Visibility | |
|
LIFR* |
Low Instrument Flight Rules |
below 500 feet above ground level (AGL) |
and/or less than one mile |
|
IFR |
Instrument flight Rules |
500 to below 1000 feet AGL |
and/or one mile to less than three miles |
|
MVFR** |
Marginal Visual Flight Rules |
1000 to 3000 feet AGL |
and/or three to five miles |
|
VFR |
Visual Flight Rules |
greater than 3000 feet AGL |
and greater than five miles |
|
*LIFR is a sub-category of IFR. |
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|
**MVFR is a sub-category of VFR. |
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