PPRuNe Forums - View Single Post - lower and upper airspace

11th Jun 2006, 13:01

#8 (permalink)

Lon More

More than just an ATCO

Join Date: Jul 1999

Location: Up someone's nose

Age: 75

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Quote:

why is not 2,000 seperation until FL290+??

Historic. ICAO standard based on proven accuracy of altimetry systems. RVSM addresses this Do a gogle on it and you'll find more