Originally Posted by
Lookleft
Like I said don't write about things you don't know about. Pilots legally fly less than a 5% gradient and with a surveyed flight path every day in complete safety and without the need to use any special technique. Pilots will refer to a document more relevant to them i.e. Jepps or equivalent. Have a look at the gradient required for the RNP approach then checkout the gradient using the PAPI for slope guidance. Hint not 5%
We're not talking about instrument runways. Not all runways have a 5% gradient. RTFM.