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requirements
The Boeing Company W100.6
RNP and Aircraft Capability
The Boeing Company W100.7
Europe
USA RNP 10: N8400.12A
BRNAV: AC90-96A
RNAV 4: N8400.XX
RNAV 2: AC90-100
N8400.71
RNAV 1: AC90-100
N8400.71
RNP 10: NPA 20-8
BRNAV: AMC 20-4
RNAV 2: AC90-100
N8400.71
RNAV 1: AC90-100
N8400.71
RNP< 0.3: N8000.287
AC20-DB
AC120-29A
RNAV 2: AC90-100
N8400.71
RNAV 1: AC90-100
N8400.71
RNP< 0.3: N8000.287
AC20-DB
AC120-29A
PRNAV: TGL 10
RNAV: TGL XX
RNP≤ 0.3: TGL XZ
PRNAV: TGL 10
RNAV: TGL XX
RNP< 0.3: TGL XZ
Cat II/III: CS-AWO
JAR-Ops1
Regulatory Material Roadmap
RNP.3 RNP.5 RNP1
RNP2
RNP4-12...
RNP2
RNP1
RNP.5
FAF
RNP.3
RNP.1
Cat I
200’
Cat II
Low Visibility 100’Landing Cat III
Takeoff
The Boeing Company W100.8
Relevant Performance
Documentation
• Documentation
– Relevant performance is defined in RNP Capabilities
Documents
– E.g: D6-39067-3 “RNP CAPABILITY OF FMC EQUIPPED
737, GENERATION 3“ REV D December 18, 2006
Defined
Path
Design Phase
In Flight
Performance depends on Total System Error
where TSE =
Desired
Path
Path Error
Unknown
Unknown
Path Error
Actual
Path
Actual
Position
Estimated
Position
Pos Est Error
Unknown
Unknown
+ Pos Est Error
RNP Concept (Total System)
FTE
Known
Unknown
+ FTE
Actual
Position
Estimated
Position
EPU = radius of a circle centered
on an estimated position
such that the probability
that the actual position lies
in the circle is 95%/hr
Position Estimation Error is bounded by the
Estimate of Position Uncertainty (EPU)
Aviation RNP RNAV Concept (Total System)
Actual
Position
Estimated
Position
EPU
Additional positioning assurance by
Containment Radius
Aviation RNP RNAV Concept (Total System)
Rc = radius of a circle centered
on an estimated position
such that the probability
that the actual position lies
in the circle is 99.999%/hr
Actual Rc
Position
Estimated
Position
Actual
Position
Desired
Path
Defined
Path
Estimated
Position
Crew Interface – 737 Dual FMC with GPS
Crew Interface – 737 Nav Status Page
The Boeing Company W100.14
Nav Performance Scales
The Boeing Company W100.15
The Boeing Company W100.16
FMC ANP Capability
Nav
RNP RNAV path types result in reliable, repeatable and
predictable flight paths.
Aviation RNP RNAV Concept (Total System)
Downwind
Arrival
Approach
Gate
EA125 EA127
EA123
TF IF
RF
TF
GNSS
Implementation for
Boeing Airplanes
The Boeing Company W100.19
Practical Requirements for GNSS
Implementation
Operational Benefits
Certified Public
Use Signal in
Space (SARPs)
Certified
Airplane
Systems
Certification
Operational Criteria
Procedures
The Boeing Company W100.20
GNSS Implementation on Transport
Category Airplanes
• Highly integrated 2-crew cockpit
• Sophisticated multi-sensor
navigation (FMS)
• Existing RNAV capability
• Automatic landing systems
• MMR is the preferred solution
– Part of TC (new airplanes)
– Amended TC and service bulletin
(in service airplanes)
Current Production Retrofit
• Wide variety of architectures
– Analog ‘steam guage’ airplanes
– More sophisticated digital avionics
– Mixture of the two
• Often, no existing RNAV capability
• Many solutions are offered
• Basic RNAV capability is usually added
with the GNSS sensors
• Out-of-production airplanes usually
handled with STC
The Boeing Company W100.21
GNSS on Boeing Airplanes
• GPS is basic equipment on Boeing airplanes in production
• GPS is incorporated in the the Multi-Mode Receiver (MMR)
• GPS is integrated as part of a multi-sensor navigation system
using RNP
– GPS operates autonomously
– Provides Position Velocity and Time (PVT) output to FMS
– Provides indication of integrity
– FMS uses GPS when available.
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