C - 6 North Atlantic Guidance Material
7
th
Edition 2002
COVERING LETTER TO STATE OF REGISTRY Dear Mr/Ms,
NORTH ATLANTIC - GROSS NAVIGATION ERROR Please find attached a copy of a letter that has been sent in respect of a North Atlantic gross navigation error attributed to an aircraft registered in your State. You will note that the Operator has been requested to provide an explanation of the incident. This is in accordance with the North Atlantic monitoring procedures set out in ICAO document NAT DOC 001, prepared and distributed by the ICAO European and North Atlantic Office. Should the Operator fail to reply to the request, a further letter will be sent to you seeking your assistance in obtaining the information requested.
ICAO Document 7030, (Regional Supplementary Procedures) contains a definition of the North Atlantic Minimum Navigation Performance Specification Airspace (NAT
MNPS Airspace, in Chapter 2, para 2.2 and of the required navigation performance in Chapter 2, para 2.1, in accordance with the requirement of Annex 6, Parts I and II, para 7.2.2. The Guidance Document ( ICAO NAT Doc 001) explains
how the State of Registry, or if appropriate the State of the Operator, should carryout the approval of aircraft intended for operation in the NAT MNPS Airspace and includes consideration of crew competence and of the equipment fitted. It would be appreciated if you would confirm that the flight in question was in possession of approval to operate in NAT MNPS Airspace (at
RVSM levels, indicating whether the approval was for the whole of the NAT MNPS Airspace or only for the special routes described in NAT DOC 001. Yours faithfully,
Signature)
NAT CMA for ICAO * include or delete as required
North Atlantic Guidance Material C 7
th
Edition
2002
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