What does RNP approach mean?

What does RNP approach mean?

Required Navigation Performance
Definition. Required Navigation Performance (RNP) is a family of navigation specifications under Performance Based Navigation (PBN) which permit the operation of aircraft along a precise flight path with a high level of accuracy and the ability to determine aircraft position with both accuracy and integrity.

What is the main difference between RNAV and RNP?

An RNAV procedure is one that requires you to have an RNAV system in order to fly it. RNP, or Required Navigation Performance adds specific performance standards onto RNAV systems. It defines several levels of performance that are applied to specific airspace and operations.

What does RNP mean in aviation?

Required Navigation Performance ( RNP ) is similar to Area Navigation ( RNAV ); but, RNP requires on-board navigation performance monitoring and alerting capability to ensure that the aircraft stays within a specific containment area.

What is ANP value?

An ANP value of 0.6 indicates that the navigation equipment is confident of its own actual position to within . 6nm. Essentially, this means that if the equipment puts a point on the map of where it thinks it is, there is a circle around that point with a . 6nm radius and the aircraft is somewhere within that circle.

What is the difference between RNP 4 and RNP 10?

Of the current RNP designations, RNP-4 is the specification designed for oceanic and remote continental navigation applications. While RNP-10 and North Atlantic High Level Airspace (the old MNPS) are also used, they are not true Performance Based Navigation standards. (We can expect them to go away in the future.)

What is the difference between RNAV 1 and RNP 1?

RNAV airspace generally mandates a certain level of equipment and assumes you have a 95\% chance of keeping to a stated level of navigation accuracy. RNP is a part of Performance Based Navigation (PBN) which adds to the same RNAV accuracy standards a level of system monitoring and alerting.

Does the G1000 have RNP?

The G1000 system as implemented on the PA34 will only offer the best RNP approach type available for any particular destination. So if flying to Bristol with SBAS active and satellite coverage satisfactory, the only RNP approach type offered by the G1000 system will be an LPV approach.

Where is RNP 10 airspace?

The areas that require RNP10 include the Central East Pacific (between Hawaii and the US west coast) and Northern Pacific (NOPAC), each utilize 50 nm lateral spacing. RNP10 is also applied in the Southern Pacific (SOPAC) Regions.

What does RNP 5 mean?

Some States have implemented RNP 5 (Europe: BRNAV) for an interim period as a derivative of RNP 4, in order to permit the continued operation of present navigation equipment without modification of existing route structures. 3. AIRSPACE REQUIREMENTS. RNP may be specified for routes or areas of any defined dimension.

What does RNP 4 mean?

RNP 4 and/or RNP 10 approval refers to long range navigational capability of an aircraft operating in remote airspace. Improved navigation capability allows for reduced lateral/longitudinal spacing along heavily used oceanic tracks particular to the Pacific airspace.

What is the RNP AR APCH based on?

RNP AR APCH is defined as an RNP approach procedure that requires a lateral TSE lower than the standard RNP values on any segment of the approach procedure. RNP approaches include capabilities that require special aircraft and aircrew authorization similar to category II/III ILS operations.

What is WAAS aviation?

The Wide Area Augmentation System (WAAS) provides extremely accurate navigation capability by augmenting the Global Positioning System (GPS). It was developed for civil aviation by the Federal Aviation Administration (FAA) and covers most of the U.S. National Airspace System (NAS) as well as parts of Canada and Mexico.

What is RNP and how does it work?

The most visible part of RNP is the monitoring and alerting requirements. An RNAV system can compute your aircraft position to some level of accuracy. With RNP the system must estimate its actual navigation performance (ANP) and compare it to the specified RNP for the airspace or operation you are flying.

What does ANP mean?

If the procedure has an RNP 10, then the on-board navigation equipment must be able to calculate its position to within 10 nautical miles. If the procedure has an RNP 0.3, than the equipment must be able to calculate its position to .3nm. ANP is the “actual” level of performance being experienced real-time.

What is the difference between RNAV and RNP?

The key difference between them is the requirement for on-board performance monitoring and alerting. A navigation specification that includes a requirement for on-board navigation performance monitoring and alerting is referred to as an RNP specification. One not having such a requirement is referred to as an RNAV specification.

What should I do if the ANP value is above RNP?

If you’re using a procedure, you must monitor the ANP value. If, at any time, the ANP goes above the RNP, you must exit the procedure. Here is an image of a Boeing 737 FMC displaying the current ANP (.06) and the RNP (2.0).