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(2) For operations with a controlling runway visual range (RVR) at or above 175m (600ft) feet the
required field length is 1.15 times the field length.
(3) For operations with an RVR below 175m (600ft), the required field length is either 1.15 or 1.3
times the field length required by the regulations cited in b(1) above, depending on the
operational procedures and/or additional equipment used by the operator.
Table 1
CAT III APPROACH AND LANDING MINIMUMS
AIRPLANE
(M/M/S)
TYPE OF
LANDING
SYSTEM*
TYPE OF
ROLLOUT
CONTROL
SYSTEM*
DH /
AH
LOWEST
RVR
FIELD
LENGTH
FACTOR
SPECIAL OPERATIONAL EQUIPMENT
AND LIMITATIONS
Enter: *N/A = Not Applicable; FP = Fail-passive Landing or Rollout Control System; FO = Failoperational
Landing or Rollout Control System; (i.e., FP/FO systems include autoland and headup
guidance systems (HGS));
c. Required RVR Reporting Equipment. The certificate holder is authorized to conduct CAT III
operations with the type of airplane landing and rollout systems and minima authorized in Table 1
if the following RVR reporting systems are installed and operational for the runway of intended
landing:
(1) Fail-passive Landing Systems Not Using Rollout Control Systems: For CAT III landing
minimums as low as Touchdown Zone RVR 175 meters (600ft), Mid RVR 175 meters (600ft)
and operative Rollout RVR require the following:
CIVIL AVIATION
ADMINISTRATION
OF CHINA CCAR-121 / 135 OPERATIONS SPECIFICATIONS
CAAC DOCUMENT
APPROVAL NO
AC-121-001R1
(Company Name) C0023-2 Certificate No:
Effective Date: Y M D
(a) The Touchdown Zone, Mid, and Rollout RVR reporting systems must be operational.
(b) Touchdown Zone and Mid RVR reports are controlling for all operations while the
Rollout report provides advisory information to pilots.
(2) Fail-passive Landing Systems Using Rollout Control Systems. For CAT III landing minimums
as low as Touchdown Zone RVR 175 meters (600ft), Mid RVR 125 meters (400ft), and
operative Rollout RVR require the following:
(a) The Touchdown Zone, Mid, and Rollout RVR reporting systems must be used.
(b) Touchdown Zone and Mid RVR reports are controlling for all operations while the
Rollout report provides advisory information to pilots.
(c) Operations may be conducted in accordance with the RVR limitations set forth in
subparagraph c(1).
(3) Fail-operational Landing Systems Using Fail-passive Rollout Control Systems. For CAT III
landing minimums as low as Touchdown Zone RVR 125 meters (400ft), Mid RVR 125 meters
(400ft), and Rollout RVR 125 meters (400ft) require the following:
(a) The Touchdown Zone, Mid, and Rollout RVR reporting systems required and are
controlling for all operations.
(b) If one of these RVR reporting systems is temporarily inoperative, these operations may
be initiated and continued using the two remaining RVR reporting systems. Both RVR
reports are controlling.
(c) Operations may be conducted in accordance with the RVR limitations set forth in
subparagraph c(1).
(4) Fail-operational Landing Systems Using Fail-operational Rollout Control Systems. For CAT III
landing minimums as low as Touchdown Zone RVR 75 meters (300ft), Mid RVR 75 meters
(300ft), and Rollout RVR 75 meters (300ft) require the following:
(a) The Touchdown Zone, Mid, and Rollout RVR reporting systems required and are
controlling for all operations.
(b) If one of these RVR reporting systems is temporarily inoperative, these operations may
be initiated and continued using the two remaining RVR reporting systems. Both RVR
reports are controlling.
(c) Operations may be conducted in accordance with the RVR limitations set forth in
subparagraph c(1).
(5) Four RVR Reporting Systems. 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.
d. Pilot Qualifications and Approved CAT III Training Program.
(1) The minimums prescribed in this operations specification are authorized for only those pilotsin-
command and co-pilot who have completed the certificate holder’s approved CAT III
CIVIL AVIATION
ADMINISTRATION
OF CHINA CCAR-121 / 135 OPERATIONS SPECIFICATIONS
CAAC DOCUMENT
APPROVAL NO
AC-121-001R1
(Company Name) C0023-3 Certificate No:
Effective Date: Y M D
training program and who have been qualified for CAT III operations by one of the certificate
holder’s check airmen or an CAAC inspector.
　
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