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Performance-Based Navigation In All Phases of Flight
“Snapshot” of Current Continental Implementations
RNAV 1
Departures
RNAV 5 Routes
RNAV 2 Routes
RNAV 1 Arrivals
RNP Approach
(i.e. RNAV (GPS)
RNP Auth Req’d
Approaches
China ATMB GNSS Seminar 11
Beijing 17 April 2007
Federal Aviation
Administration 11
RNP Approach with Authorization Required (RNP AR)
Key Features
R
R
2 RNP
2 RNP
2 RNP
2 RNP
STEP 2:
Locate Turn Center
STEP 1:
Segment
Initial
Fix
a=R
b=R+(2xRNP)
c=R-(2xRNP)
Segment
Terminating
Fix
STEP 3
STEP 4
STEP 5
a
b
c
Tangent Points
Tangent Points
Apply para 2-2
Radius to Fix (RF) for Curved Paths
Vertical Error Budget &
Guided Missed Approach
Narrow
Segments
Narrow lateral linear segments
(RNP-0.3 or less with no secondary buffers)
Curved segments anywhere along the approach
(Radius-to-fix legs with shorter leg lengths)
Guided, narrower turns on missed approaches
(Radius-to-fix legs, and RNP-1 or less)
Performance-based Vertical Buffers
(Vertical Error Budget )
China ATMB GNSS Seminar 12
Beijing 17 April 2007
Federal Aviation
Administration 12
Possible Applications for RNP Approach with
Authorization Required – RNP (AR*)
Approach minimums
lower than existing minima
Increased arrival and
departure rates for adjacent
airports involved
Arrival capacity gains up to
50% over single runway
operations
Arrival capacity gains
up to 60% over single
runway operations
Single Runway
Access
Adjacent Airport
Operations
Converging
Operations
Parallel
Operations
36
31
9
*US term: SAAAR – Special Aircraft and Aircrew Authorization Required
750’ - <5000’
Airport A
Airport B
36L 36R
Conventional RNP
China ATMB GNSS Seminar 13
Beijing 17 April 2007
Federal Aviation
Administration 13
Key ICAO Guidance for Performance Based Navigation
• Document 9613 Manual for Performance Based Navigation
􀂃 Draft Publication available now
􀂃 Volume 1 – Concepts and Implementation Guidance
􀂃 Volume II – Implementing RNAV and RNP Applications
􀂾 Includes detailed Navigation Specifications with airworthiness and operator guidance
• Procedure Design Guidance
􀂃 Document 8168 Vol II – Procedures for Air Navigation Services – Operations (PANS
OPS)
􀂾 Routes, RNAV approaches
􀂃 RNP Approach with Authorization Required
􀂾 Initial, stand-alone procedure design Manual for RNP (AR)
􀂾 Eventually to be incorporated into Doc 8168
􀂾 Associated airworthiness and operator requirements (“AR”) in Doc 9613 Vol II, Navigation
Specification for RNP AR Approach
􀂾 Same guidance as contained in FAA Order 8260.52 and Advisory Circular 90-101
China ATMB GNSS Seminar 14
Beijing 17 April 2007
Federal Aviation
Administration 14
RNP AR Approach
Example: Palm Springs, CA (KPSP)
Minima 2300 (1900) -3 Minima 734 (300) - 1
• Replaces nonprecision
approach
into a valley with
mountainous terrain
• Safety enhanced,
with guided,
stabilized 3D path to
runway
• Minima lowered by
1600 ft & 2 miles
China ATMB GNSS Seminar 15
Beijing 17 April 2007
Federal Aviation
Administration 15
Implementation Principles
• Implement cost-effective PBN to
produce measurable improvements in
􀂃 Flight safety
􀂃 system capacity
􀂃 operational efficiency
􀂃 new or improved airport and airspace
access
• Achieve aviation community
collaboration and consensus on
priorities and standards
􀂃 FAA Roadmap for Performance Based
Navigation
• Leverage existing investments in
􀂃 Aircraft operations and capabilities
􀂃 Navigation infrastructure
􀂃 Procedures http://www.faa.gov/ats/atp/rnp/rnav.htm
China ATMB GNSS Seminar 16
Beijing 17 April 2007
Federal Aviation
Administration 16
What is a Roadmap?
• A document developed by aviation stakeholders
􀂃 Regulators
􀂃 Air traffic service providers
􀂃 Users (air carriers, business aviation, military general aviation)
　
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