If you determined the observed prevailing visibility to be 2 7/8sm, what visibility would be reported on the MF1M-10C?

When determining the visibility to report on the MF1M-10C, the key factor is to follow the established rounding procedures for prevailing visibility. In this case, the observed prevailing visibility is 2 7/8 statute miles.

According to regulatory guidance, when the visibility is at a fractional value, it needs to be rounded to the nearest quarter mile. The value of 2 7/8 miles is closest to 2 3/4 miles when applying these rounding rules. This is because 2 7/8 is between 2 3/4 (or 2.75) and 3 (or 3.0) miles, and rounding is performed down to the closest quarter mile.

Thus, the reported visibility on the MF1M-10C would accurately be 2 3/4 statute miles, reflecting the correct application of these meteorological reporting standards. The rounded figure ensures clarity and consistency in visibility reporting for aviation operations.