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Guidance concerning Air Navigation in and above the NAT MNPSA

CHAPTER 8

navigation updated positions. Whatever method is used, a record should be kept of the performance of each INS.

    • 8.7

      HORIZONTAL NAVIGATION PERFORMANCE MONITORING

      • 8.7.1

        The navigation performance of operators within NAT MNPS Airspace is monitored on a

continual basis. The navigation accuracy achieved by NAT MNPS aircraft is periodically measured and additionally all identified instances of significant deviation from cleared track are subject to thorough investigation by the NAT Central Monitoring Agency (CMA), currently operated on behalf of ICAO by the UK National Air Traffic Services Limited.

8.7.2

Pilots and operators are encouraged to cooperate as fully as possible with the CMA in its

investigations of any deviations, since the objective here is to support regional safety management function.

These investigations are not conducted for regulatory/punitive purposes.

8.7.3

The CMA also maintains a data base of all NAT MNPS Approvals.

The CMA runs a

continuous monitoring process to compare this Approvals list with the records of all aircraft flying in the NAT MNPS Airspace. The Approval status of any aircraft involved in a track deviation is specifically checked against the data base and in any cases of doubt the State of the operator or the State of Registry is contacted. Chapter 10 provides full details of the monitoring processes.

NAT Doc 007

59

Edition 2010

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