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时间:2010-07-17 02:24来源:蓝天飞行翻译 作者:admin
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to the aerodrome elevation or the threshold elevation if that is
more than 2 m (7 ft) below the aerodrome elevation. An
obstacle clearance height for a circling approach is
referenced to the aerodrome elevation.
Note 2.— For convenience when both expressions are used
they may be written in the form “obstacle clearance
* As defined in Annex 2. altitude/height” and abbreviated “OCA/H”.
23/11/06
No. 11
Section I, Chapter 1 Annex 6 — Operation of Aircraft
I-1-5 1/11/01
Operational control. The exercise of authority over the
initiation, continuation, diversion or termination of a flight
in the interest of the safety of the aircraft and the regularity
and efficiency of the flight.
Operational flight plan. The operator’s plan for the safe
conduct of the flight based on considerations of helicopter
performance, other operating limitations and relevant
expected conditions on the route to be followed and at the
heliports concerned.
Operations manual. A manual containing procedures,
instructions and guidance for use by operational personnel
in the execution of their duties.
Operator. A person, organization or enterprise engaged in or
offering to engage in an aircraft operation.
Operator’s maintenance control manual. A document which
describes the operator’s procedures necessary to ensure that
all scheduled and unscheduled maintenance is performed
on the operator’s aircraft on time and in a controlled and
satisfactory manner.
Performance Class 1 helicopter. A helicopter with
performance such that, in case of critical power-unit failure,
it is able to land on the rejected take-off area or safely
continue the flight to an appropriate landing area,
depending on when the failure occurs.
Performance Class 2 helicopter. A helicopter with
performance such that, in case of critical power-unit failure,
it is able to safely continue the flight, except when the
failure occurs prior to a defined point after take-off or after
a defined point before landing, in which cases a forced
landing may be required.
Performance Class 3 helicopter. A helicopter with performance
such that, in case of power-unit failure at any point in the
flight profile, a forced landing must be performed.
Pilot-in-command. The pilot designated by the operator, or in
the case of general aviation, the owner, as being in
command and charged with the safe conduct of a flight.
Psychoactive substances. Alcohol, opioids, cannabinoids,
sedatives and hypnotics, cocaine, other psychostimulants,
hallucinogens, and volatile solvents, whereas coffee and
tobacco are excluded.
Repair. The restoration of an aeronautical product to an
airworthy condition to ensure that the aircraft continues to
comply with the design aspects of the appropriate
airworthiness requirements used for the issuance of the type
certificate for the respective aircraft type, after it has been
damaged or subjected to wear.
Required navigation performance (RNP). A statement of the
navigation performance necessary for operation within a
defined airspace.
Note.— Navigation performance and requirements are
defined for a particular RNP type and/or application.
Rest period. Any period of time on the ground during which a
flight crew member is relieved of all duties by the operator.
RNP type. A containment value expressed as a distance in
nautical miles from the intended position within which
flights would be for at least 95 per cent of the total flying
time.
Example.— RNP 4 represents a navigation accuracy of
plus or minus 7.4 km (4 NM) on a 95 per cent containment
basis.
Runway visual range (RVR). The range over which the pilot
of an aircraft on the centre line of a runway can see the
runway surface markings or the lights delineating the
runway or identifying its centre line.
Safe forced landing. Unavoidable landing or ditching with a
reasonable expectancy of no injuries to persons in the
aircraft or on the surface.
Safety management system. A systematic approach to managing
safety, including the necessary organizational structures,
accountabilities, policies and procedures.
Safety programme. An integrated set of regulations and
activities aimed at improving safety.
State of Registry. The State on whose register the aircraft is
entered.
Note.— In the case of the registration of aircraft of an
international operating agency on other than a national basis,
the States constituting the agency are jointly and severally
bound to assume the obligations which, under the Chicago
 
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