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Federal AviationAdministration
The Benefits andChallenges of Implementing Performance Based Navigation (PBN) Instrument Flight Procedures
By:
Presented to:
Date: June 24, 2008
IFIS 2008
Bradley W. Rush
Manager, Quality Oversight and Technical Advisory Staff
National Flight Procedures Office, FAA
Federal AviationAdministration
2Based Navigation (PBN) Instrument Flight Procedures
June 24, 2008
The Benefits and Challenges of Implementing Performance
Presentation of benefits and challenges of PBN (RNP AR) and lessons learned of
implementing over 100 instrument approach procedures in the United States
Introduction
Federal AviationAdministration
3Based Navigation (PBN) Instrument Flight Procedures
June 24, 2008
The Benefits and Challenges of Implementing Performance
Overview
• Challenges– Operator authorization and training– Air traffic control procedures and training– RNP criteria application– Procedure benefit– Flight inspection technique
• Benefits– Reduced Obstacle Evaluation Area (OEA)– No secondary areas– Missed approach segment OEA– Radius-to-Fix leg types
Federal AviationAdministration
4Based Navigation (PBN) Instrument Flight Procedures
June 24, 2008
The Benefits and Challenges of Implementing Performance
Benefits• Reduced OEA
Federal AviationAdministration
5Based Navigation (PBN) Instrument Flight Procedures
June 24, 2008
The Benefits and Challenges of Implementing Performance
• Reduced OEA
Benefits
2xRNP 1.00
2x RNP 0.30
2.00 NM
2xRNP 1.00
INTERMEDIATE (RNP 1.00)
2.00 NM
0.60 NM
0.60 NM 2x RNP 0.30
FINAL (RNP 0.30)
Federal AviationAdministration
6Based Navigation (PBN) Instrument Flight Procedures
June 24, 2008
The Benefits and Challenges of Implementing Performance
Benefits• Reduced OEA
LTP
RNP 0.30 FINAL
FAF
VOR FINAL
Federal AviationAdministration
7Based Navigation (PBN) Instrument Flight Procedures
June 24, 2008
The Benefits and Challenges of Implementing Performance
Benefits• No secondary areas
PLAN VIEW
2xRNP2xRNP
CROSS SECTION
SECONDARY
Federal AviationAdministration
8Based Navigation (PBN) Instrument Flight Procedures
June 24, 2008
The Benefits and Challenges of Implementing Performance
Benefits• No secondary areas
PLAN VIEW
2xRNP2xRNP
CROSS SECTION
Federal AviationAdministration
9Based Navigation (PBN) Instrument Flight Procedures
June 24, 2008
The Benefits and Challenges of Implementing Performance
Benefits• Missed Approach OEA
– RNP Standard Missed• No secondary areas
Federal AviationAdministration
10Based Navigation (PBN) Instrument Flight Procedures
June 24, 2008
The Benefits and Challenges of Implementing Performance
Benefits• Missed Approach OEA
– RNP Standard Missed• Benefit over ground-based missed approach
RNP MISSEDVOR MISSED
Federal AviationAdministration
11Based Navigation (PBN) Instrument Flight Procedures
June 24, 2008
The Benefits and Challenges of Implementing Performance
Benefits• Missed Approach OEA
– RNP less than 1.00• No secondary areas
0 NM 3.2 NM0.6 NM 1.3 NM 1.9 NM
Federal AviationAdministration
12Based Navigation (PBN) Instrument Flight Procedures
June 24, 2008
The Benefits and Challenges of Implementing Performance
Benefits• Missed Approach OEA (TF application)
– RNP Less than 1.00 – RNAV (RNP) Y RWY 31, Hailey, ID
LOCIR
NUCIV
SEVTE
OLUYA
HISPA
Federal AviationAdministration
13Based Navigation (PBN) Instrument Flight Procedures
June 24, 2008
The Benefits and Challenges of Implementing Performance
Benefits• Radius-to-Fix (RF) path terminators
– Provides a
consistently
repeatable
ground track and
smooth transition
to next segment
Federal AviationAdministration
14Based Navigation (PBN) Instrument Flight Procedures
June 24, 2008
The Benefits and Challenges of Implementing Performance
Benefits• Missed Approach OEA (RF application)
– RNP less than 1.00 – RNAV (RNP) Z RWY 26, Rifle, CO
WADAK
PUVOY
SIYOPRW26
TEROE
Federal AviationAdministration
15Based Navigation (PBN) Instrument Flight Procedures
June 24, 2008
The Benefits and Challenges of Implementing Performance
Benefits• RF application in approach segments
– RNAV (RNP) Z RWY 13R, Palm Springs, CA
Federal AviationAdministration
16Based Navigation (PBN) Instrument Flight Procedures
June 24, 2008
The Benefits and Challenges of Implementing Performance
Challenges
• Operator
authorization and
training
http://www.airweb.faa.gov/Regulatory_and_Guidance_Library/rgAdvisoryCircular.nsf/0/821ACA6A248D6AEA862570ED00536340?OpenDocument
Federal AviationAdministration
17Based Navigation (PBN) Instrument Flight Procedures
June 24, 2008
The Benefits and Challenges of Implementing Performance
Challenges
– Adherence to published speed restrictions
• Air Traffic Control
procedures
and training
– “Direct” clearances and
vectoring involving
RF leg types
Federal AviationAdministration
18Based Navigation (PBN) Instrument Flight Procedures
June 24, 2008
The Benefits and Challenges of Implementing Performance
Challenges
– Adherence to published speed restrictions
• Air Traffic Control
procedures
and training
– “Direct” clearances and
vectoring involving
RF leg types
Federal AviationAdministration
19Based Navigation (PBN) Instrument Flight Procedures
June 24, 2008
The Benefits and Challenges of Implementing Performance
Challenges
• RNP criteria
application
http://www.faa.gov/about/office%5Forg/headquarters%5Foffices/avs/offices/afs/afs400/afs420/policies%5Fguidance/orders/media/8260.52.pdf
Federal AviationAdministration
20Based Navigation (PBN) Instrument Flight Procedures
June 24, 2008
The Benefits and Challenges of Implementing Performance
http://www.faa.gov/about/office_org/headquarters_offices/avs/offices/afs/afs400/afs420/media/RNP%20SAAAR%20v2.0%20Spreadsheet.xls
• RNP criteria
application
– Application
of VEB
Challenges
Federal AviationAdministration
21Based Navigation (PBN) Instrument Flight Procedures
June 24, 2008
The Benefits and Challenges of Implementing Performance
Challenges
• RNP criteria
application
– RF leg type
connections
to new and
exisiting fixes
Federal AviationAdministration
22Based Navigation (PBN) Instrument Flight Procedures
June 24, 2008
The Benefits and Challenges of Implementing Performance
Challenges
• RNP criteria
application
– Obtaining
Average Cold
Temperature
(ACT)
Federal AviationAdministration
23Based Navigation (PBN) Instrument Flight Procedures
June 24, 2008
The Benefits and Challenges of Implementing Performance
Challenges
• RNP criteria application– Achieving benefit
• Operator certification• ATC integration• RNP levels• ARINC leg types• Missed approach climb gradients
Federal AviationAdministration
24Based Navigation (PBN) Instrument Flight Procedures
June 24, 2008
The Benefits and Challenges of Implementing Performance
3.1 NM
OVER
RNP VEB 21.70:1 (2.64°)
FAF
CROSS
ASBL
LTP 6 NM
TCH
GPA 3.00°
BELOW PATH 2.00°
Challenges
• Flight inspection technique– ILS vs. RNP
Federal AviationAdministration
25Based Navigation (PBN) Instrument Flight Procedures
June 24, 2008
The Benefits and Challenges of Implementing Performance
Summary
• Challenges– Operator authorization and training– Air traffic control procedures and training– RNP criteria application– Procedure benefit– Flight inspection technique
• Benefits– Reduced Obstacle Evaluation Area (OEA)– No secondary areas– Missed approach segment OEA– Radius-to-Fix Leg
Federal AviationAdministration
26Based Navigation (PBN) Instrument Flight Procedures
June 24, 2008
The Benefits and Challenges of Implementing Performance
Questions ?
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