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paragraph.
Certificate Holder Representative: (Name & Signature)
Position: Date(Y/M/D):
CIVIL AVIATION
ADMINISTRATION
OF CHINA CCAR-121 / 135 OPERATIONS SPECIFICATIONS
CAAC DOCUMENT
APPROVAL NO
AC-121-001R1
(Company Name) C0055-1 Certificate No:
Effective Date: Y M D
C0055 IFR LOWER THAN STANDARD TAKEOFF MINIMUMS, CCAR PART 121 AIRPLANE OPERATIONS – ALL
AIRPORTS
a. Standard takeoff minimums are authorized in paragraph C0015 of these operations
specifications. The certificate holder is authorized to use lower than standard takeoff minimums
in accordance with the limitations and provisions of this operations specification as follows.
b. Runway visual range (RVR) reports, when available for a particular runway, shall be used for all
takeoff operations on that runway. All takeoff operations, based on RVR, must use RVR reports
from the locations along the runway specified in this operations specification.
c. When takeoff minimums are equal to or less than the applicable standard takeoff minimum, the
certificate holder is authorized to use the lower than standard takeoff minimums described below:
(1) Touchdown zone RVR 500m (1600ft) (beginning of takeoff run) or visibility/runway visual
value (RVV) 350m (1200ft), provided at least one of the following visual aids is available.
(a) Operative high intensity runway lights (HIRL).
(b) Operative runway centerline lights (CL).
(c) Serviceable runway centerline marking (RCLM).
(d) In circumstances when none of the above visual aids are available, visibility or RVV
300m (1200ft) may still be used, provided other runway markings or runway lighting
provide pilots with adequate visual reference to continuously identify the takeoff surface
and maintain directional control throughout the takeoff run.
(e) RVR Reporting Systems.
(i) The touchdown zone RVR report, if available, is controlling.
(ii) The mid RVR report may be substituted for the touchdown zone RVR report if the
touchdown zone RVR report is not available.
(2) Touchdown zone RVR 350m (1200ft) (beginning of takeoff run) and rollout RVV 300m
(1000ft), provided all of the following visual aids and RVR equipment are available.
(a) Operative runway centerline lights (CL).
(b) RVR Reporting Systems. Two operative RVR reporting systems serving the runway to
be used, both of which are required and controlling.
(i) The touchdown zone and rollout RVR reports are controlling for all operations.
(ii) A mid-RVR report may be substituted for either a touchdown zone RVR report if a
touchdown zone report is not available or a rollout RVR report if a rollout RVR
report is not available.
(iii) Where four RVR reporting systems are installed (i.e., touchdown zone, mid,
rollout, and far end sensors), the far end sensor, which is not required, may
provide advisory information to pilots or may be substituted for the rollout sensor
RVR report if the rollout sensor RVR report is not available.
(3) Touchdown zone RVR 175m (600ft) (beginning of takeoff run), or RVV 175m (600ft), provided
all of the following visual aids and RVR equipment are available.
(a) Operative runway centerline lights (CL).
(b) Serviceable runway centerline markings (RCLM).
(c) RVR Reporting Systems.
CIVIL AVIATION
ADMINISTRATION
OF CHINA CCAR-121 / 135 OPERATIONS SPECIFICATIONS
CAAC DOCUMENT
APPROVAL NO
AC-121-001R1
(Company Name) C0055-2 Certificate No:
Effective Date: Y M D
(i) Where only two RVR reporting systems are installed on the runway to be used, the
touchdown and rollout RVR sensors are both required and controlling.
(ii) Where three RVR reporting systems are installed on the runway to be used:
(A) The touchdown zone, mid and rollout RVR reports are controlling for all
operations.
(B) The failure of any one transmitter will not affect operations provided the
remaining two RVR sensors are reporting values at or above the appropriate
minima in this subparagraph.
(iii) Where four RVR reporting systems are installed (i.e., touchdown zone, mid,
rollout, and far end sensors):
(A) The touchdown zone, mid and rollout RVR reports are controlling for all
operations.
(B) The far end sensor, which is not required, may provide advisory information to
pilots or may be substituted for the rollout sensor RVR report if the rollout
sensor RVR report is not available.
d. At Foreign Airports:
(1) That have runway lighting systems equivalent to Chinese standards, the takeoff minimums in
subparagraph c of this operations specification apply.
(2) Where it has been determined that the runway lighting system is not equivalent to Chinese
standards, the minimums in subparagraphs c (1) or (2), as appropriate, apply.
　
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