"Neil Gould" wrote in message
t...

Do that. It hasn't been.


It's been required for more than sixty years. From "Digest of Civil Air
Regulations for Pilots", October 1943:


Requirements for Certification

Private Pilot Certificate

Aeronautical Knowledge

Applicant shall be familiar with and accomplish satisfactorily a written
examination covering so much of the provisions of Parts 01, 20, and 60 of
the regulations as are pertinent to his certificate, prevailing weather
conditions in the United States as encountered in flying, and the
forecasting thereof, the analyzing of weather maps and sequence reports as
furnished by the United States Weather Bureau, practical air navigation
problems and the use of maps, navigation by terrain (pilotage) and by dead
reckoning, including the use of instruments and other aids to navigation in
visual contact flying, and the general servicing and operation of aircraft.