Naverus | Procedures for PBN

By: Naverus  09-12-2011

RNP AR

What is it?


RNP AR, the highest performing type of PBN procedure, offers the most benefit to users by allowing for predetermined, precise, curved flight paths that optimally navigate within an airspace to reduce track miles, conserve fuel, preserve the environment, and increase airspace capacity. Also referred to as RNP SAAAR (Special Aircraft and Aircrew Authorization Required), RNP AR procedures require specific aircraft functionality and pilot crew training in order to be used.

Our RNP AR design and deployment capability includes RNP AR approach and missed approach procedures that meet criteria established by ICAO and the FAA.

In addition, Naverus has developed a set of unique design criteria for RNP AR procedures accepted around the globe as a means of achieving maximum performance tailored to the specific aircraft platform or platforms. Naverus design criteria define flight paths that maximize the efficiency of the aircraft that is otherwise lost flying paths designed with criteria that accommodate all aircraft.

As a result, these tailored procedures extract maximum performance from modern aircraft through the use of shorter paths, tighter turn gradients, and optimum profile descents.

RNP AR procedures designed to Naverus’ criteria include:
  • Instrument approach procedures including missed approaches
  • Departure procedures
  • Non-normal (engine inoperative) departure procedures

RNP APCH

What is it?


RNP APCH procedures are the simplest RNP procedures that provide instrument approaches to runways. RNP APCH procedures are well-suited for providing instrument approaches to runways that do not currently have adequate ground-based navigation facilities to support an instrument approach or to back up existing ground-based navigation procedures.

Naverus RNP APCH procedure design capability allows for: LNAV (Lateral Navigation) instrument design capability allows for:

This type of RNP APCH procedure is equivalent to a non-precision approach procedure, and uses GNSS guidance to laterally guide aircraft to pre-defined points along the approach path.

APV (Approach Procedure with Vertical Guidance) instrument approach procedures

RNP APCH procedures with APV allow precision-like guidance to runways without the need for ground infrastructure. While RNP APCH procedures with APV do not provision for curved paths or other advanced capabilities of RNP AR, they offer a simplified solution that provides precise vertical guidance to runways. RNP APCH procedures with APV capability provide an immediate solution to ICAO’s global call for implementation of PBN approaches to all instrument runways ends.

RNAV What is it?


RNAV allows an aircraft to navigate from point to point without reliance on ground-based navigation aids, using GNSS to precisely guide the aircraft. RNAV procedures are typically used to provide terminal area arrival procedures and instrument departure procedures.

Naverus RNAV procedure design capability allows for the deployment of:
  • RNAV SID (Standard Instrument Departure)

  • RNAV STAR (Standard Terminal Arrival)



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