Within the next 12 months, the USA will certificate the use of integrated area navigation systems (RNAV) as a normal means of en-route and terminal precision navigation, including final approaches.

The two privately funded precision instrument approach procedures at Monmouth Executive Airport have lower minimums than the non-precision approaches that were originally approved for the airport.

Existing primary flight instrumentation "is no longer adequate and safe for the developing RNP (required navigation performance) environment", says the International Federation of Air Line Pilots ...