曝光台 注意防骗
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5 nm XTK accuracy, that is 6.1 nm.
When leaving RNP-5 airspace, or when entering the terminal area revert to the default
required accuracy, or enter the appropriate value on the MCDU.
If one of the following MCDU or ECAM messages is displayed
check navigation accuracy with navaid raw data, or with the GPS MONITOR page (if GPS
installed) :
• NAV ACCUR DOWNGRAD
• FMS1/FMS2 POS DIFF
• CHECK IRS 1(2)(3)/FM POSITION
• ECAM : FM/GPS POS DISAGREE (if GPS installed)
If the accuracy check confirms that RNP-5 capability is lost, or if both FMGCs have
failed Inform the ATC, and revert to conventional navigation.
If the accuracy check confirms that only one FMGC position is incorrect , resume
navigation with the other FMGC.
In inertial navigation, BRNAV capability is maintained for 2 h, independently of the estimated
accuracy displayed on the MCDU.
RNP-10 IN OCEANIC OR REMOTE AREAS
Applicable to:
In this kind of airspace, the aircraft is expected to fly for a long period of time outside radio navaid
coverage.
For aircraft without GPS, the flight time outside radio navaid coverage is limited. According to FAA
Notice.12A, this limitation is :
6.2 h since ‐ IRS ground alignment, or
‐ 5.7 h since last FM radio update.
There is no limitation for aircraft fitted with the GPS.
Minimum required equipment to enter RNP-10 airspace is :
‐ Two long range navigation systems, which means :
• Two FMGCs
• Two MCDUs
• One GPS, required by flight time outside radio navaid coverage
• Two IRS
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
SPECIAL OPERATIONS
REQUIRED NAVIGATION PERFORMANCE (RNP)
A318/A319/A320/A321 FLEET PRO-SPO-51 P 6/10
FCOM 19 AUG 10
Also refer to the Regional Supplementary Procedures (ICAO Doc) for specific requirements in a
particular airspace.
PROCEDURES
Manual selection of a required accuracy on the MCDU is optional.
If manual entry of a required accuracy is desired , enter 10 nm or use the radial equivalent
to 10 nm XTK accuracy that is 12.2 nm.
When leaving RNP-10 airspace, revert to the default required accuracy or enter the
appropriate value.
If one of the following MCDU or ECAM messages is displayed,
check navigation with POSITION MONITOR page, ISDU and GPS MONITOR page (if
GPS installed) :
• FMS1/FMS2 POS DIFF
• CHECK A/C POSITION
• ECAM : FM/GPS POS DISAGREE (if GPS installed)
Use the AP, with the navigation system checked correct.
If unable to determine which system is correct , inform the ATC, and look for navaid
raw data confirmation as soon as possible.
In inertial navigation, the RNP -10 capability is maintained for 5.7 h, since the last radio update
(according to FAA Notice.12A), independently of the estimated accuracy displayed on the
MCDU.
RNP-10 IN OCEANIC OR REMOTE AREAS
Applicable to:
,
,
MSN,,,,
In this kind of airspace, the aircraft is expected to fly for a long period of time outside radio navaid
coverage.
For aircraft without GPS, the flight time outside radio navaid coverage is limited. According to FAA
Notice.12A, this limitation is :
6.2 h since ‐ IRS ground alignment, or
‐ 5.7 h since last FM radio update.
There is no limitation for aircraft fitted with the GPS.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
SPECIAL OPERATIONS
REQUIRED NAVIGATION PERFORMANCE (RNP)
A318/A319/A320/A321 FLEET PRO-SPO-51 P 7/10
FCOM 19 AUG 10
Minimum required equipment to enter RNP-10 airspace is :
‐ Two long range navigation systems, which means :
• Two FMGCs
• Two MCDUs
• One GPS, required by flight time outside radio navaid coverage
• Two IRS
Also refer to the Regional Supplementary Procedures (ICAO Doc) for specific requirements in a
particular airspace.
PROCEDURES
Manual selection of a required accuracy on the MCDU is optional.
If manual entry of a required accuracy is desired , enter 10 nm or use the radial equivalent
to 10 nm XTK accuracy that is 12.2 nm.
When leaving RNP-10 airspace revert to the default required accuracy or enter the
appropriate value.
If one of the following MCDU or ECAM messages is displayed,
check navigation with POSITION MONITOR page, ISDU or IRS 1(2)(3) pages, and GPS
MONITOR page (if GPS installed) :
• FMS1/FMS2 POS DIFF
• CHECK IRS 1(2)(3)/FM POSITION
• ECAM : FM/GPS POS DISAGREE (if GPS installed)
Use the AP, with the navigation system checked correct.
If unable to determine which system is correct , inform the ATC, and look for navaid
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A320机组操作手册FLIGHT CREW OPERATING MANUAL 14(42)
