"Gary Drescher" wrote in message
...

Yet the FAA not only allows VFR flying in the absence of a visible
horizon, it even allows you to log instrument time when flying VFR under
those conditions. That's why I conclude that the primary purpose (these
days) of the IFR-VFR distinction concerns separation rather than
instrument flying per se.


The first airway of any distance to have a continuous radio-marked course
went into full-time operation in November 1928 between New York and
Cleveland. Separation would not be provided on it until 1935.