Half-mast is used when the flag is flown from a flagpole, typically referring to a ship mast or similar structures, according to Federal Flags. Half-mast means the flag is flown two-thirds up ...

And it is raised all the way up for one second before being lowered to half-mast. “When a British national flag is at half-mast, other flags on the same stand of poles should also be at half-mast or ...