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Canada uses the North American Datum 1983 (NAD 83) as a geodetic reference datum. NAD 83
is equivalent to the World Geodetic System - 1984 (WGS-84) for aeronautical purposes.
Canada does not publish geoid undulation.
Canada does not use a temporal reference system
Canada's AIP does not conform to the format specified in Appendix 1. An adequate table of
contents to advertise this fact is included in the AIP.
A list of significant differences between Canada's national practices and the related ICAO
provisions is not published in AIP Canada.
Canada does not publish Radar Minimum Altitude Charts.
Canada does not publish a monthly printed plain-language list of valid NOTAM including the
indications of the latest AIP Amendments, checklist of AIP Supplements and AIC issued.
Remark: This information is issued as an AIP Canada Supplement Summary at various intervals
of the AIP Amendments.
It may not always be possible to give seven days' advance notice of the intended activity.
Remark: For special circumstances where seven days' advance notice is not possible, the NOTAM
related to temporary airspace restriction will be issued with less advance notice.
Canada does not provide notice of AIP Amendments or AIP Supplements by NOTAM.
Remark: The information appears on the covering page for the AIP Amendment and is not issued
as a trigger NOTAM.
5.2.13.3 Canada does not publish a monthly printed plain-language list of valid NOTAM including the
indications of the latest AIP Amendments, AIC issued and a checklist of AIP Supplements.
Remark: The provision of a monthly printed plain-language summary of NOTAM in force by mail
may contain expired NOTAM by the time it reaches recipients. To ensure that Contracting States
only have current information, missing NOTAM can be obtained from NOF through AFTN.
CHAPTER 7
7.1.1.2 Canada does not publish snow plans.
Remark: Snow removal is standard operation procedure in Canada for all aerodrome operators.
Valuable information can be found in the Canada Flight Supplement, AerodromeFacility
Directory section, under RWY DATA, RCR (Runway Condition Report).
CHAPTER 10
Canada does not provide electronic terrain and obstacle data used in combination with
aeronautical data.
Appendix 1
AD 2.12, 2) Magnetic bearings for runways are provided, except in the Northern Domestic Airspace of Canada,
where true bearings are provided.
AD 2.16,4) Magnetic bearings for final approach and take-off (FATO) areas are provided, except in the
Northern Domestic Airspace of Canada, where true bearings are provided.
AD 3.12, 3) Magnetic bearings for final approach and take-off (FATO) areas are provided, except in the
Northern Domestic Airspace of Canada, where true bearings are provided.
Appendix 6
5. In the case of NOTAMR, Item B) provides the effective date-time group superseding the
(Item B)) information in the previous NOTAM, not necessarily the actual date and time of the NOTAM
origination.
Remark: Canada wants to maintain the former practice for the issuance of NOTAMR and permit
the issuance of a NOTAMR with an effective date-time group in the future.
CHAPTER 3
3.2 A quality system has not yet been introduced. It is planned to implement it by 2006.
3.7.2 The geoid undulation reference is still not available.
CHAPTER 5
5.1.1.4 It is not always possible to notify the planned activity with seven days' advance notice.
5.2.2.1 English texts are not always included in the parts expressed in plain language.
5.2.4 The ASHTAM Format is not used. This information will be published in NOTAM Format.
5.2.13.3 A monthly printed plain-language summary of valid NOTAM is not produced.
Appendix 1
ENR 6 The En-route Chart and index charts are not included in this section. They are published in another
folder (AIP MAP) to facilitate their operational use.
AD 2.2,4) The geoid undulation references are still not available.
AD 2.24 Charts related to an aerodrome are not included. The charts are published and distributed
separately in an AIP MAP volume.
Appendix 3
The ASHTAM format is not used. This information is published in NOTAM Format.
Appendix 7
Not all of the data comply with the quality requirements.
SUPPLEMENTOT ANNEX1 5 (TWELFTHE DITION) CHINA(H ONGK ONGS AR) I
CHAPTER 4
4.1.3 Hong Kong, China provides alternative charts for items i) and j) in paragraph 4.1.3 and items 6) to
9) in Appendix 1, AD 2.24.
Remark: Such alternative charts provide the relevant information in a simplified format. Therefore,
withdrawal of this difference is not considered for the time being.
Appendix 1
ENR 3.1,2) The geodetic distance is published to the nearest nautical mile.
Remark: ATS route distances to the FIR boundary fixes are to the nearest nautical mile.
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