What visibility measurement would be recorded if prevailing visibility is 2 3/4 statute miles?

The prevailing visibility is a critical measure in aviation weather reporting, as it indicates how far a pilot can see during flight, affecting safety and navigation. When prevailing visibility is stated as 2 3/4 statute miles, it is important to recognize how this value is typically rounded when reported.

In aviation weather documentation, prevailing visibility is conventionally rounded down to the nearest whole statute mile. Therefore, 2 3/4 statute miles would be reported as 2 statute miles, since it is less than 3 miles. This rounding rule is established to provide a consistent and understandable format for pilots and aviation personnel.

The other measurements provided do not align with standard reporting practices. A recording of 3 would inaccurately communicate that visibility is at or above that threshold, which is not the case. Values such as 2.75 and 2.5 do not typically appear in official aviation reports, as they require whole numbers for practical reasons in flight operations. Hence, the recorded prevailing visibility follows the standard that it should be the lower whole mile, making 2 the correct choice for accurate reporting in this context.