statute mile

The Irish swapped to the statute mile in 1824 and, delightfully, when they swapped again to kilometres they kept miles on a lot of their road signs.

Zone 3: This zone was exactly one-quarter statute mile past the point where the motorist made contact with the stimulus of the law enforcement vehicle.

Reported ground visibility of at least 1 statute mile

However, one statute mile is lower than the standard alternate visibility minimum of 2 statute miles, so we need to use 2 statute miles instead, giving us the 700-2 that is published.

The publication states: visibility will be the statute mile equivalent of the RVR visibility value identified with the DA(H) or MDA in accordance with the following table from 14 CFR Part 91.175(h).

In this case, you see the lights about a statute mile from the threshold--half-mile visibility to the lights plus half-mile of lights.

Another requirement is that the reported ground visibility at the destination airport must be at least one statute mile. This is in addition to the one mile flight visibility that you need throughout the contact approach.

Airspace and Flight Visibility Distance From Clouds Altitude Class E, less than 3 Statute Miles 500 feet below 1000 feet 10,000 feet msl above 2000 feet horizontal Class E, at/above 5 statute miles 1000 feet below 1000 10,000 feet msl feet above 1 statute mile horizontal Class G (1200 feet or less agl) Day (see FAR 1 statute mile Clear of clouds 91.155(b) Night (see FAR 3 statute miles 500 feet below 1000 feet 91.155(b) above 2000 feet horizontal

Here are the takeaways for takeoff minimums: Understand that one statute mile is the standard minimum visibility requirement for takeoff.

A weather observation taken about 26 nm from the accident site at 0900 included 1/4 statute mile visibility and an overcast at 300 feet.