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Performance Based Navigation. Erwin Lassooij Technical Officer/ FLS section. Presentation overview. PBN – Background PBN – Concept PBN – Status PBN – Implementation. Aviation challenges. : Growing demand for RNAV approaches (safety, accessibility)

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performance based navigation

Performance Based Navigation

Erwin Lassooij

Technical Officer/ FLS section

presentation overview
Presentation overview
  • PBN – Background
  • PBN – Concept
  • PBN – Status
  • PBN – Implementation
aviation challenges
Aviation challenges

:

  • Growing demand for RNAV approaches (safety, accessibility)
  • Growing demand for solutions to airspace congestion
  • Growing fuel efficiency requirements
  • Growing Environmental requirements
  • Most can be met with current technology, but standardization and operational requirements have to be put into place
background icao rnp concept
BackgroundICAO RNP concept
  • FANS identified need for performance based navigation and developed Required Navigation Performance capability concept :
    • To avoid need for ICAO selection between competing systems
  • Manual on Required Navigation Performance (doc 9613)
  • Addressed only the en-route phase of flight (RNP-10 and RNP-4) for oceanic and remote applications
  • No ICAO RNP requirements for continental enroute and terminal applications. This led to:
    • Proliferation of national standards
    • Wide variety of functional requirements
    • Variety of required navigation sensors
    • Differing air crew requirements
    • Lack of global harmonization
background industry s rnp concept
BackgroundIndustry’ s RNP concept

RNP concept has continued to evolve outside ICAO

  • RTCA/EUROCAE defined performance and functional requirements
  • Industry‘s RNP requires performance monitoring and alerting

Conflict

  • Current ICAO concept does not require performance monitoring and alerting
  • Now we have two RNP concepts.
are we now going the right way

F

U

T

U

R

E

Europe

B-RNAV

US

Boeing

P-RNAV

Australia

US-RNAV

China

Airbus

RNP10

Canada

Japan

RNP 4

South

America

Are we now going the right way?

P

R

E

S

E

N

T

RNP

RNP/RNAV

Not safe, not efficient, costly, confusing

rnp in relation to area navigation
RNP in relation to area navigation

Area

Navigation

Other

RNAV

RNP

rnp where we are today
RNP-where we are today

Area

Navigation

Other

RNAV

RNP

LAAS

LNAV

LNAV/VNAV

SBAS

GBAS

Baro-VNAV

Galileo

BRNAV

RNAV (GNSS)

Basic-GNSS

RNP

APV

LPV

GAGAN

GRAS

WAAS

USRNAV A

USRNAV B

PRNAV

etc

etc.

icao recognizes the problems
ICAO Recognizes the problems
  • Need for focal point in ICAO to address problems experienced with RNP Concept (GNSSP/4 recommendation 1/1)
  • ANC approves establishment of Required Navigation Performance Special operational requirements Study Group (RNPSORSG) as coordinating group
adjustment to the rnp concept required
Adjustment to the RNP concept required
  • Clear distinction between operations that require performance monitoring and alerting and operations that don’t require performance monitoring and alerting
  • Functionality requirements
  • Harmonization of current RNAV and RNP operations
  • Development of new navigation specification to meet operational demand.
  • Need for clear operational approval requirements
  • Need for clear implementation guidance
rnp revised towards pbn

RNAV x

RNP x

on-board

performance monitoring

+ alerting

No on-board

performance monitoring

+ alerting

RNP revised towards PBN

Area

Navigation

PBN is anchored in detailed navigation specifications, which contain performanceand functionality requirements.

Other

RNAV

RNP

PBN

Other RNAV

harmonization of existing navspecs

Area of Application

Nav accuracy

Designation of navigation standard:

Current situation

Designation of navigation specification: PBN concept (new)

Oceanic/

Remote

10

RNP 10

RNAV 10

(RNP 10 label)

4

RNP 4

RNP 4

EnRoute- Continental

5

RNP 5

Basic RNAV

RNAV 5

En Route - Continental and Terminal

2

USRNAV type A

RNAV 2

Terminal

1

USRNAV type B and

P-RNAV

RNAV 1

Harmonization of existing navspecs

Simplification results in lower costs for

Operators and ANSP

harmonization of rnav operations not covered by existing nav specs

Area of Application

Nav accuracy

(NM)

Designation of navigation standard:

Current situation

Designation of navigation specification: PBN concept (new)

Terminal

1

Basic-GNSS

SBAS

Basic-RNP 1

Approach

1-0.3

Basic-GNSS

(Baro-VNAV)

SBAS

RNP APCH

Approach

RNP SAAAR (US)

RNP AR APCH

Harmonization of RNAV operations not covered by existing nav specs

1-0.1

rnp sorsg p erformance b ased n avigation concept
RNP SORSGPerformance Based Navigation Concept

Perf. Monitor and alerting

No perf. monitor and alerting

RNP 4, Basic-RNP 1

RNP APCH,

RNP AR APCH

RNAV 10

Performance based navigation (PBN)

Area navigation based on performance requirements for aircraft that are described in navigation specifications

icao provisions performance based navigation manual
ICAO ProvisionsPerformance Based Navigation Manual
  • PBN Manual to provide a “one-stop shop” for States on how to implement RNAV and RNP in their airspace
  • PBN Manual consists of two volumes:
    • Volume I – Concept and Implementation Guidance
      • Concept of PBN and how it is used
      • Implementation Guidance to States / Regions
    • Volume II – Implementing RNAV and RNP
      • Compendium of Navigation Specifications

* Work in progress

current status
Current status
  • Final draft of PBN manual is finalized and posted on ICAO-NET
  • State Letter with Navigation Specifications is on ICAO-NET
    • AN 11/45-07/22
slide18

PBN implementation goals Enroute airspace (where RNAV ops required)

Area of operation: Oceanic and remote airspace

  • Applicable navigation specifications: RNAV 10 and RNP 4
  • Implementation strategy: 100% implementation by 2010

Area of operation: Enroute continental

  • Applicable navigation specifications: RNAV 5, 2, and 1,
  • Implementation strategy: 100% by 2014
pbn implementation goals terminal airspace where rnav ops required
PBN implementation goals Terminal airspace (where RNAV ops required)
  • Area of operation: Terminal area
    • Applicable navigation specifications: RNAV 1,2 and Basic-RNP 1
    • Implementation strategy: 100% by 2016
pbn implementation goals approach
PBN implementation goals Approach

Area of operation: Approach (RNP)

  • Applicable navigation specifications:
    • RNP APCH
    • RNP AR APCH (if normal straight-in approach is operationally not feasible)
  • Implementation strategy:
    • All instrument runways:
      • APV to all runway ends by 2016.
      • NPA where APV is operationally not possible
implementation
Implementation
  • Leadership role for ICAO
    • Familiarization
    • Implementation
    • Optimization of ICAO provisions
  • States
    • Develop implementation plan by 31/12/2009
    • Follow through with plan
  • Stakeholders
    • cooperate with States in their implementation
    • commit the resources necessary to carry out their part of the strategy
familiarization introduction to pbn seminar
Familiarization“Introduction to PBN” Seminar

Moscow

14-18 April 2008

Montreal

13-15 June 2007

Brussels

21-25 April 2008

Cairo

12-14 November

2007

New Delhi

17-21 September 2007

Mexico City

23-27 June 2008

Bangkok

10-14 September 2007

Dakar

14-18 January 2008

Nairobi

21-25 January 2008

Lima

16-20 June 2008

summary
Summary
  • PBN concept is established
  • Familiarization is imminent
  • ICAO must assume leadership role in implementation:
    • Close coordination between ANB, TCB and regional offices necessary
    • Speak with one voice to States and stakeholders
  • Commitment and active involvement required from States and other stakeholders.