The Future on RNAV and RNP

1

Presented by

Erwin Lassooij

The Future on RNAV and RNPThe Future on RNAV and RNP

NAM/CAR/SAM Regional Seminar on RNAV and RNP ImplementationMexico City, Mexico, 11 to 13 August 2005

NAM/CAR/SAM Regional Seminar on RNAV and RNP Implementation

Mexico City, Mexico, 11 to 13 August 2005 2

The Future on RNAV and RNPGoal of presentation

The Future on RNAV and RNPGoal of presentation

To update on the current issuesTo update on the current issues

To inform on the status of the concept To inform on the status of the concept of RNAV and RNPof RNAV and RNP

To inform about the products to be To inform about the products to be delivered by ICAOdelivered by ICAO

To inform on the envisaged timelineTo inform on the envisaged timeline

To update on the current issuesTo update on the current issues

To inform on the status of the concept To inform on the status of the concept of RNAV and RNPof RNAV and RNP

To inform about the products to be To inform about the products to be delivered by ICAOdelivered by ICAO

To inform on the envisaged timelineTo inform on the envisaged timeline



HistoryHistory

FANS identified need for performance FANS identified need for performance

based navigation and developed:based navigation and developed:

Required Navigation Performance capabilityRequired Navigation Performance capability (RNPC) (RNPC)

concept:concept:

Parameter describing lateral deviations from assigned or Parameter describing lateral deviations from assigned or

selected track as well as along track position fixing accuracy selected track as well as along track position fixing accuracy

on the basis of an appropriate containment levelon the basis of an appropriate containment level

FANS identified need for performance FANS identified need for performance

based navigation and developed:based navigation and developed:

Required Navigation Performance capabilityRequired Navigation Performance capability (RNPC) (RNPC)

concept:concept:

Parameter describing lateral deviations from assigned or Parameter describing lateral deviations from assigned or

selected track as well as along track position fixing accuracy selected track as well as along track position fixing accuracy

on the basis of an appropriate containment levelon the basis of an appropriate containment level



HistoryHistory

1990: RGCSP noted that capability 1990: RGCSP noted that capability

and performance were distinctively and performance were distinctively

different. different.

Airspace planning needs measured Airspace planning needs measured

performance, not designed in performance, not designed in

capabilitycapability

1990: RGCSP noted that capability 1990: RGCSP noted that capability

and performance were distinctively and performance were distinctively

different. different.

Airspace planning needs measured Airspace planning needs measured

performance, not designed in performance, not designed in

capabilitycapability

RNPC RNP



Current ICAO RNP conceptCurrent ICAO RNP concept

Required Navigation Performance (RNP).Required Navigation Performance (RNP). A statement of A statement of the navigation performance necessary for operation within a the navigation performance necessary for operation within a defined airspace.defined airspace.

RNP type.RNP type. A containment value expressed as a distance in A containment value expressed as a distance in nautical miles from the intended position within which flights nautical miles from the intended position within which flights would be at least would be at least 95%95% of the total flying time of the total flying time

E.g. RNP4 represents a navigation accuracy of +/- 4 NM on E.g. RNP4 represents a navigation accuracy of +/- 4 NM on 95% basis95% basis

Required Navigation Performance (RNP).Required Navigation Performance (RNP). A statement of A statement of the navigation performance necessary for operation within a the navigation performance necessary for operation within a defined airspace.defined airspace.

RNP type.RNP type. A containment value expressed as a distance in A containment value expressed as a distance in nautical miles from the intended position within which flights nautical miles from the intended position within which flights would be at least would be at least 95%95% of the total flying time of the total flying time

E.g. RNP4 represents a navigation accuracy of +/- 4 NM on E.g. RNP4 represents a navigation accuracy of +/- 4 NM on 95% basis95% basis



Current ICAO RNP conceptCurrent ICAO RNP concept

Current applications:Current applications:

RNP 10RNP 10

RNP 4RNP 4

Both are oceanic applicationsBoth are oceanic applications

Containment based on:Containment based on:

AccuracyAccuracy

Functional integrityFunctional integrity

ContinuityContinuity

AvailabilityAvailability

Current applications:Current applications:

RNP 10RNP 10

RNP 4RNP 4

Both are oceanic applicationsBoth are oceanic applications

Containment based on:Containment based on:

AccuracyAccuracy

Functional integrityFunctional integrity

ContinuityContinuity

AvailabilityAvailability



Industry developmentsIndustry developments

Need for RNP in the terminal airspaceNeed for RNP in the terminal airspace

ICAO concept deemed not sufficient ICAO concept deemed not sufficient to obtain realistic separation to obtain realistic separation standards (99.9% probability required)standards (99.9% probability required)

RTCA developedRTCA developed RNP RNAVRNP RNAV conceptconcept

(RTCA DO236)(RTCA DO236)

Need for RNP in the terminal airspaceNeed for RNP in the terminal airspace

ICAO concept deemed not sufficient ICAO concept deemed not sufficient to obtain realistic separation to obtain realistic separation standards (99.9% probability required)standards (99.9% probability required)

RTCA developedRTCA developed RNP RNAVRNP RNAV conceptconcept

(RTCA DO236)(RTCA DO236)




Main differences between ICAO Main differences between ICAO

(RNP) and industry (RNP RNAV) (RNP) and industry (RNP RNAV)

concept:concept:

Functional integrity vsFunctional integrity vs

Containment integrity and continuityContainment integrity and continuity

Main differences between ICAO Main differences between ICAO

(RNP) and industry (RNP RNAV) (RNP) and industry (RNP RNAV)

concept:concept:

Functional integrity vsFunctional integrity vs

Containment integrity and continuityContainment integrity and continuity




Integrity (ICAO doc 9613):Integrity (ICAO doc 9613):

The ability of a system to provide timely warnings to users The ability of a system to provide timely warnings to users

when the system should not be used for navigation.when the system should not be used for navigation.

Containment integrity (RTCA doc 236):Containment integrity (RTCA doc 236):

A measure of confidence in the estimated position, A measure of confidence in the estimated position,

expressed as the probability that the system will detect and expressed as the probability that the system will detect and

annunciate the condition where the TSE is greater than the annunciate the condition where the TSE is greater than the

cross track containment limit.cross track containment limit.

Integrity (ICAO doc 9613):Integrity (ICAO doc 9613):

The ability of a system to provide timely warnings to users The ability of a system to provide timely warnings to users

when the system should not be used for navigation.when the system should not be used for navigation.

Containment integrity (RTCA doc 236):Containment integrity (RTCA doc 236):

A measure of confidence in the estimated position, A measure of confidence in the estimated position,

expressed as the probability that the system will detect and expressed as the probability that the system will detect and

annunciate the condition where the TSE is greater than the annunciate the condition where the TSE is greater than the

cross track containment limit.cross track containment limit.



Problems ariseProblems arise

Two different standards with similar terminology Two different standards with similar terminology

RNP manual (Doc 9613) does not provide sufficient guidance for implementation

Two different standards with similar terminology Two different standards with similar terminology

RNP manual (Doc 9613) does not provide sufficient guidance for implementation

Confusion!Confusion!




States, in many cases do not have the full picture States, in many cases do not have the full picture

how to implement, e.g. relation between ops how to implement, e.g. relation between ops

approval and airspace planningapproval and airspace planning






Mismatch of Coordinate

Datums

Mismatch of Coordinate

Datums

Localizer

Runway

In different coordinate systems,

approach doesn’t aim at runway threshold.







Proliferation in States (PRNAV, USRNAV, RNP1, Proliferation in States (PRNAV, USRNAV, RNP1,

approach procedure specials etc.)approach procedure specials etc.)




Proliferation in States (PRNAV, USRNAV, RNP1, Proliferation in States (PRNAV, USRNAV, RNP1,

approach procedure specials etc.)approach procedure specials etc.)

Need for focal point in ICAO to lead further development of RNAV and RNP



RNPSORSGRNPSORSG

ANC approves establishment of ANC approves establishment of

Required Navigation Performance Required Navigation Performance

Special operations requirements Special operations requirements

Study Group as coordinating groupStudy Group as coordinating group

ANC approves establishment of ANC approves establishment of

Required Navigation Performance Required Navigation Performance

Special operations requirements Special operations requirements

Study Group as coordinating groupStudy Group as coordinating group



RNP SOR SG Concept

RNP SOR SG Concept

Common understanding of the RNP Common understanding of the RNP

concept and the relationship between concept and the relationship between

RNP and RNAV functionalityRNP and RNAV functionality

Common understanding of the RNP Common understanding of the RNP





RNPSORSGRNP ConceptRNPSORSG

RNP Concept Main issue to address was the term Main issue to address was the term

“containment”:“containment”:

ICAO does not currently require integrity on ICAO does not currently require integrity on the system to detect and annunciate where the system to detect and annunciate where TSE is greater than cross track containment TSE is greater than cross track containment limitlimit

RTCA RTCA doesdoes require containment integrity and require containment integrity and containment continuitycontainment continuity

Main issue to address was the term Main issue to address was the term “containment”:“containment”:

ICAO does not currently require integrity on ICAO does not currently require integrity on the system to detect and annunciate where the system to detect and annunciate where TSE is greater than cross track containment TSE is greater than cross track containment limitlimit

RTCA RTCA doesdoes require containment integrity and require containment integrity and containment continuitycontainment continuity



RNPSORSGConcept

RNPSORSGConcept

RNPSORSG agreed there is a need for RNPSORSG agreed there is a need for

Navigation Specifications with and without Navigation Specifications with and without

containment integrity and continuitycontainment integrity and continuity

RNPSORSG agreed there is a need for RNPSORSG agreed there is a need for

Navigation Specifications with and without Navigation Specifications with and without

containment integrity and continuitycontainment integrity and continuity

N a v iga tio n S p ec if ica tio nsw ith ou t co n ta in m e n t in te g rity an d co n tin u ity

N a v iga tio n S p ec if ica tio nsre q u irin g co n ta in m e n t in te g rity a n d co n tin u ity

R N PC o nce p t

N a v iga tio n S p ec if ica tio nsw ith ou t co n ta in m e n t in te g rity an d co n tin u ity

N a v iga tio n S p ec if ica tio nsre q u irin g co n ta in m e n t in te g rity a n d co n tin u ity

R N PC o nce p t



RNPSORSGConcept

RNPSORSGConcept

Operations Operations withoutwithout containment containment

integrity to be designated as integrity to be designated as RNAVRNAV

Operations Operations withoutwithout containment containment

integrity to be designated as integrity to be designated as RNAVRNAV

Designation should be clearDesignation should be clear Designation should be clearDesignation should be clear

Operations Operations withwith containment integrity containment integrity

to be designated as to be designated as RNPRNP

Operations Operations withwith containment integrity containment integrity

to be designated as to be designated as RNPRNP



RNP SOR SGHarmonization

RNP SOR SGHarmonization

Common understanding of the Common understanding of the

performance based navigation performance based navigation



Harmonization between StatesHarmonization between States








RNP SORSG - HarmonizationRNP SORSG - Harmonization

Area of Application Nav

accuracy

Designation of navigation standard:

Current situation

Designation of navigation

standard: new RNP concept

Oceanic/Remote

10 RNP 10 RNP 10

4 RNP 4 RNP 4

EnRoute- Continental

5RNP 5Basic RNAV RNAV 5

En Route - Continental and Terminal

2 USRNAV type A RNAV 2

Terminal 1USRNAV type BP-RNAV RNAV 1

RNAV 10?



RNP SOR SGApproach

RNP SOR SGApproach






Development of concept for approachDevelopment of concept for approach









RNP SOR SGApproach

RNP SOR SGApproach

Promulgation of operations without Promulgation of operations without containment integrity not envisagedcontainment integrity not envisaged

Default RNP (0.3NM)Default RNP (0.3NM)

Basic GNSSBasic GNSS

SBASSBAS

Scaleable RNP (0.3 – 0.1NM)Scaleable RNP (0.3 – 0.1NM)

Promulgation of operations without Promulgation of operations without containment integrity not envisagedcontainment integrity not envisaged

Default RNP (0.3NM)Default RNP (0.3NM)

Basic GNSSBasic GNSS

SBASSBAS

Scaleable RNP (0.3 – 0.1NM)Scaleable RNP (0.3 – 0.1NM)



RNP SOR SGApproach

RNP SOR SGApproach

Default

Scaleable

FAFFixA

MAPt

Plan view



RNP SOR SGApproach

RNP SOR SGApproach

Default-APV

Scaleable

FAF

MAPt

Default-NPA

Profile view



RNPSOR SGConcept

RNPSOR SGConcept

RNP10 RNAV 5RNAV 2RNAV 1

N a v iga tio n S p ec if ica tio nsw itho u t co n ta in m e nt

R N P 1 , R N P 2 ,RNP4, RNP0.3 - 0 .1

R N P w ith a dd tio n a lre q u ire m e n ts(e .g . 3D , 4 D )

N a v iga tio n S p ec if ica tio nsre q u irin g co n ta in m e nt

P e rfo rm a n ce ba sedN a v iga tio n C o nce p t

RNP10 RNAV 5RNAV 2RNAV 1

N a v iga tio n S p ec if ica tio nsw itho u t co n ta in m e nt

R N P 1 , R N P 2 ,RNP4, RNP0.3 - 0 .1

R N P w ith a dd tio n a lre q u ire m e n ts(e .g . 3D , 4 D )

N a v iga tio n S p ec if ica tio nsre q u irin g co n ta in m e nt

P e rfo rm a n ce ba sedN a v iga tio n C o nce p t

Nav specifications w/o containment to be completed end of 2005

Nav specifications RNP 0.3 – 0.1 completed end of 2006

Other Nav specifications will be developed once there is an operational requirement



RNP SOR SGPerformance based Navigation Manual

RNP SOR SGPerformance based Navigation Manual

Common understanding of the performance Common understanding of the performance based navigation concept and the relationship based navigation concept and the relationship between RNP and RNAV functionalitybetween RNP and RNAV functionality



PBN Manual that provides a “one stop shop” for PBN Manual that provides a “one stop shop” for States how to implement RNAV and RNP in States how to implement RNAV and RNP in their airspacetheir airspace

Common understanding of the performance Common understanding of the performance based navigation concept and the relationship based navigation concept and the relationship between RNP and RNAV functionalitybetween RNP and RNAV functionality



PBN Manual that provides a “one stop shop” for PBN Manual that provides a “one stop shop” for States how to implement RNAV and RNP in States how to implement RNAV and RNP in their airspacetheir airspace



Performance based Navigation ManualPerformance based Navigation Manual Part A: The Performance Based Navigation Concept

Chapter 1 – General (Context of Performance Based Navigation)

Chapter 2 – Description of Performance Based Navigation

Chapter 3 – Concepts of Operation

Chapter 4 – Implications of Performance Based Navigation

Part B: Implementation Guidance

Chapter 1 – Implementation Processes

Chapter 2 – Identifying Navigation Requirements

Chapter 3 – Using an Existing Navigation Spec to Satisfy and Airspace Concept

Chapter 4 – Development of New Nav Spec to Satisfy and Airspace Concept

Chapter 5 – Implementation Preparation

Chapter 6 – Post Implementation

Part C: Compendium of Navigation Specifications

Chapter 1 – Overview of Compendium

Chapter 2 – RNAV Navigation Specifications

Chapter 3 – RNP Navigation Specifications

Chapter 4 - Matrix

Part A: The Performance Based Navigation Concept

Chapter 1 – General (Context of Performance Based Navigation)

Chapter 2 – Description of Performance Based Navigation

Chapter 3 – Concepts of Operation

Chapter 4 – Implications of Performance Based Navigation

Part B: Implementation Guidance

Chapter 1 – Implementation Processes

Chapter 2 – Identifying Navigation Requirements

Chapter 3 – Using an Existing Navigation Spec to Satisfy and Airspace Concept

Chapter 4 – Development of New Nav Spec to Satisfy and Airspace Concept

Chapter 5 – Implementation Preparation

Chapter 6 – Post Implementation

Part C: Compendium of Navigation Specifications

Chapter 1 – Overview of Compendium

Chapter 2 – RNAV Navigation Specifications

Chapter 3 – RNP Navigation Specifications

Chapter 4 - Matrix



YES

2A

C onsult IC A O to de term ine if para lle l deve lopm ents underw ay in o ther

reg ions/areas.

MULTI-REGIONAL developm ent of Navigation

Standard intended for global use.

harm onised

Safety Assessm ent

3

C o-ord inated w ith IC A O

- FHA- PSSA- Safety Argum ent

ICAO to include new Nav. Standard in Doc. 9613

P ro c e s s 2

F o llo w

P ro c e ss 3

2

1

Process for Regional developm ent of Navigation Standard, co-ordinated through I CAO

Negative Output from Process 1

RegionalFeasibility

Assessm ent

NO

2B

- FHA- PSSA- Safety Argum ent

REGIONAL developm ent of Navigation

Standard intended for global use.

harm onised

Safety Assessm ent



RNP SOR SGStandards and procedures

RNP SOR SGStandards and procedures

Common understanding of the performance based Common understanding of the performance based

navigation concept and the relationship between RNP navigation concept and the relationship between RNP and RNAV functionalityand RNAV functionality



RNP Manual that provides a “one stop shop” for RNP Manual that provides a “one stop shop” for States how to implement RNAV and RNP in their States how to implement RNAV and RNP in their airspaceairspace

Provision of detailed standards and proceduresProvision of detailed standards and procedures

Common understanding of the performance based Common understanding of the performance based

navigation concept and the relationship between RNP navigation concept and the relationship between RNP and RNAV functionalityand RNAV functionality



RNP Manual that provides a “one stop shop” for RNP Manual that provides a “one stop shop” for States how to implement RNAV and RNP in their States how to implement RNAV and RNP in their airspaceairspace

Provision of detailed standards and proceduresProvision of detailed standards and procedures



RNP SOR SGICAO provisions

RNP SOR SGICAO provisions

High level StandardsHigh level Standards State consultation August 2006State consultation August 2006

Applicable November 2007Applicable November 2007

PBN manualPBN manual Available July 2006Available July 2006

Obstacle Clearance Criteria (PANS-OPS)Obstacle Clearance Criteria (PANS-OPS) State consultation August 2006State consultation August 2006


Separation Criteria (PANS-ATM)Separation Criteria (PANS-ATM) State consultation August 2006State consultation August 2006


High level StandardsHigh level Standards State consultation August 2006State consultation August 2006


PBN manualPBN manual Available July 2006Available July 2006

Obstacle Clearance Criteria (PANS-OPS)Obstacle Clearance Criteria (PANS-OPS) State consultation August 2006State consultation August 2006


Separation Criteria (PANS-ATM)Separation Criteria (PANS-ATM) State consultation August 2006State consultation August 2006


Documents

The Future on RNAV and RNP