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AND RECOMMENDED PRACTICES
AIR TRAFFIC SERVICES
AIR TRAFFIC CONTROL SERVICE
FLIGHT INFORMATION SERVICE
ALERTING SERVICE
ANNEX 11
TO THE CONVENTION ON INTERNATIONAL CIVIL AVIATION
THIRTEENTH EDITION -JULY 2001
CORRIGENDUM
1. Please replace existing pages ATT D-2 and ATT D-4 by the attached new pages bearing the
notation 31110103
Corr.
2. Record the entry of this corrigendum on page (ii).
ATTACHMENT D. MATERIAL RELATING TO CONTINGENCY PLANNING
(see 2.28)
1. Introduction 2. Status of contingency plans
1.1 Guidelines for contingency measures for application
in the event of disruptions of air traffic services and related
supporting services were first approved by the Council on
27 June 1984 in response to Assembly Resolution A23-12,
following a study by the Air Navigation Commission and
consultation with States and international organizations concerned,
as required by the Resolution. The guidelines were
subsequently amended and amplified in the light of experience
gained with the application of contingency measures in various
parts of the world and in differing circumstances.
1.2 The purpose of the guidelines is to assist in providing
for the safe and orderly flow of international air traffic in the
event of disruptions of air traffic services and related
supporting services and in preserving the availability'of major
world air routes within the air transportation system in such
circumstances.
1.3 The guidelines have been developed in recognition of
the fact that circumstances before and during events causing
disruptions of services to international civil aviation vary
widely and that contingency measures, including access to
designated aerodromes for humanitarian reasons, in response
to specific events and circumstances must be adapted to these
circumstances. They set forth the allocation of responsibility
among' States and ICAO for the conduct of contingency
planning and the measures to be taken into consideration in
developing, applying and tenninating the application of such
plans.
1.4 The guidelines are based on experience which has
shown, inter alia, that the effects of disruption of services in
particular portions of airspace are likely to affect significantly
the services in adjacent airspace, thereby creating a requirement
for international coordination, with the assistance of
ICAO as appropriate. Hence, the role of ICAO in the field of
contingency planning and coordination of such plans is
described in the guidelines. They also reflect the experience
that ICAO's role in contingency planning must be global and
not limited to airspace over the high seas and areas of
undetermined sovereignty, if the availability of major world air
routes within the air transportation system is to be preserved.
Finally, they further reflect the fact that international organizations
concerned, such as the International Air Transport
Association (IATA) and the International Federation of Airline
Pilots' Associations (IFALPA), are valuable advisers on the
practicability of overall plans and elements of such plans.
Contingency plans are intended to provide alternative facilities
and services to those provided for in the regional air navigation
plan when those facilities and services are temporarily not
available. Contingency arrangements are therefore temporary
in nature, remain in effect only until the services and facilities
of the regional air navigation plan are reactivated and,
accordingly, do not constitute amendments to the regional plan
requiring processing in accordance with the "Procedure for the
Amendment of Approved Regional Plans". Instead, in cases
where the contingency plan would temporarily deviate from
the approved regional air navigation plan, such deviations are
approved, as necessary, by the President of the ICAO Council
on behalf of the Council.
3. Responsibility for developing,
promulgating and implementing
contingency plans
3.1 The State@) responsible for providing air traffic
services and related supporting services in particular portions
of airspace is (are) also responsible, in the event of disruption
or potential disruption of these services, for instituting
measures to ensure the safety of international civil aviation
operations and, where possible, for making provisions for
alternative facilities and services. To that end the States)
should develop, promulgate and implement appropriate contingency
plans. Such plans should be developed in consultation
with other States and airspace users concerned and with ICAO,
as appropriate, whenever the effects of the service disruption(s)
　
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