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The certificate holder is authorized to conduct Class II navigation using multiple long-range navigation
systems (LRNS) only within the areas of en route operation where this paragraph is referenced in
paragraph B0039 of these operations specifications. Unless specifically authorized elsewhere in
these operations specifications, the certificate holder shall not conduct Class II navigation operations
within Central East Pacific (CEPAC) Composite Airspace, North Pacific (NOPAC) Airspace, North
Atlantic Minimum Navigation Performance Specifications (NAT/MNPS) Airspace, or Areas of Magnetic
Unreliability. The certificate holder shall conduct all Class II navigation operations using multiple
LRNS in accordance with the provisions of this paragraph.
a. Authorized Aircraft and Equipment.
The certificate holder is authorized to conduct Class II navigation using the following aircraft with
multiple LRNS.
LONG-RANGE AIRCRAFT NAVIGATION SYSTEMS
(M/M/S) MANUFACTURER MODEL
RNP TYPE RNP TIME LIMITS
b. The certificate holder shall conduct all operations using multiple LRNS in accordance with the
following limitations and provisions:
(1) The certificate holder shall conduct all Class II navigation operations so the aircraft is
continuously navigated to the degree of accuracy or required navigation performance (RNP)
type required for air traffic control. For areas where these accuracy and navigation
performance standards have not been formally established, the long-range navigation system
must be used to continuously navigate the aircraft so that the crosstrack and/or the alongtrack
errors will not exceed 25 nautical miles (45 kilometers) at any point along the flight plan route
specified in the ATC clearance.
(2) The navigation system shall be operational as required by operations specifications
paragraph B0017 (CEPAC), B0019 (NOPAC), B0021 (NAT/MNPS), or B0023 (Areas of
Magnetic Unreliability), as applicable.
(3) Except when navigation is being performed under the supervision of a check airman properly
qualified for Class II navigation, the flightcrew must be qualified on the system being used in
accordance with the certificate holder's approved training program. The flightcrew performing
under the supervision of a check airman shall have satisfactorily completed the ground school
portion of that training program.
(4) Prior to entering any airspace requiring the use of a long-range navigation system, the aircraft
position shall be accurately fixed using airways navigation facilities or ATC radar. After exiting
this airspace, the aircraft position shall be accurately fixed and the long-range navigation
system error shall be determined and logged in accordance with the operator's approved
procedures.
CIVIL AVIATION
ADMINISTRATION
OF CHINA CCAR-121 / 135 OPERATIONS SPECIFICATIONS
CAAC DOCUMENT
APPROVAL NO
AC-121-001R1
(Company Name) B0015-2 Certificate No:
Effective Date: Y M D
(5) A long-range navigation system fix may be substituted for a required en route ground facility
when that facility is temporarily out of service, provided the approved navigation system has
sufficient capability to navigate the aircraft to the degree of accuracy or RNP type required for
air traffic control over that portion of the flight.
(6) At dispatch, at least one of the navigation system configurations listed below must be installed
and operational:
(a) At least two independent inertial navigation systems (INS).
(b) At least two flight management system/navigation sensor combinations (or equivalent).
(c) At least two independent approved GPS navigation systems acceptable for primary
means of Class II navigation in oceanic and remote areas;
(d) Inertial navigation systems that use a mixed position solution (e.g., triple mix) or
(e) At least two approved independent LRNS from the list below:
 Inertial navigation system.
 Flight management system/navigation sensor combination (or equivalent).
 GPS navigation system approved for Class II navigation in oceanic and remote
areas.
c. Operations in areas or on routes where an RNP type is specified must be conducted in
accordance with the following limitations or provisions:
(1) At dispatch, one of the navigation system configurations listed in subparagraph b(6) above
must be installed, operational and (as listed in subparagraph a) approved for the specified
RNP type (or better).
(2) The certificate holder must ensure that the aircraft navigation system will provide the specified
RNP type for the planned flight time in the airspace and, if applicable, that the operation in the
RNP area should meet the RNP time limit listed in subparagraph a above.
　
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