World Air Ops | NAT | Doc 007 MNPS Guidance

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Guidance concerning Air Navigation in and above the NAT MNPSA CHAPTER 15preferably plotted approximately 10 minutes after passing each waypoint, and, ifcircumstances dictate, midway between waypoints. e.g. if one system has failed.e) Check the present, next and next+1 waypoint co-ordinates as shown on the Master Documentagainst those in the steering CDU before transmitting position reports (in performing thesechecks review the LRNS stored co-ordinates in expanded Lat/Long format (not abbreviatedARINC 424 format).f) Check the LRNS indicated magnetic heading and distance to the next waypoint against thoselisted on the Master Document.15.2.3 The procedures outlined in this Section will detect any incipient gross errors, providing thatthe recorded/plotted cleared route is the same as that provided by the controlling ATS authority. If there hasbeen a misunderstanding between the pilot and controller over the actual route to be flown (i.e. an ATC looperror has occurred), then the last drill above, together with the subsequent passing of the position report, willallow the ATS authority the opportunity to correct such misunderstanding before a hazardous track deviationcan develop. The vast majority of instances of waypoint insertion errors occur when the ATC clearedoceanic route segment differs (partly or wholly) from that included in the filed flight plan or that requestedby the pilot. Thorough and diligent checking and cross-checking, by more than one crew member, of thewaypoints entered into the navigation computer, against the received Oceanic Clearance would eliminatemost of these unnecessary and avoidable errors.NAT Doc 007 90 Edition 2010
Guidance concerning Air Navigation in and above the NAT MNPSA CHAPTER 16CHAPTER 16: GUIDANCE FOR DISPATCHERS16.1 General16.1.1 The North Atlantic Region is essentially divided into two distinct areas for flight operation,i.e. MNPS Airspace and non-MNPS airspace. Operations within MNPS Airspace require the user to adhereto very specific operating protocols. The vertical dimension of MNPS Airspace is between FL285 andFL420 (i.e. in terms of normally used cruising levels, from FL290 to FL410 inclusive).16.1.2 The lateral dimensions include the following Areas:a) Those portions of the NEW YORK OCEANIC North of 27°N but excluding the area west of60°W and south of 38°30'N;b) And all of the REYKJAVIK, SHANWICK, GANDER and SANTA MARIA OCEANICControl Areas (CTAs).16.2 Regulatory Requirements and Consequential Routing LimitationsState Approvals (MNPS/RVSM)16.2.1 Before planning any operations within the North Atlantic MNPS Airspace operators andpilots must ensure that the specific State MNPS and RVSM Approvals are in place. These requirements areaddressed in Chapter 1 of this Manual at paragraphs 1.1.1, 1.1.2 and 1.1.3.Minimum Equipage (Navigation/Altimetry/Communications)16.2.2 Section 1.3 discusses the minimum navigation equipage requirements for unrestricted flightin NAT MNPS Airspace.16.2.3 The Minimum Aircraft Systems Performance Specifications for RVSM operations arecommon world-wide standards and are contained in ICAO Doc 9574 (Manual on Implementation of a 300m(1 000ft) Vertical Separation Minimum between FL290 and FL410 inclusive.). They are also detailed indesignated FAA document, AC91-85, and in JAA document, TGL6, Revision 1 (i.e. Temporary GuidanceLeaflet No. 6) These two documents can be accessed via:http://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/enroute/rvsm/and http://www.ecacnav.com/rvsm/library.htm,respectively. However, notwithstanding the worldwide nature of RVSM MASPS, it must be recognised, asindicated in Chapter 1 paragraph 1.2.2 above, that special provisions apply in the North Atlantic MNPSAirspace and in consequence all NAT crews/operators must be State approved specifically for NATRVSM operations.16.2.4 Most NAT air/ground ATC communications are conducted on single side-band HFfrequencies. For unrestricted operations in the NAT Region fully functioning HF Communicationsequipment is required. While SATCOM Voice and Datalink communications are being gradually introducedinto NAT operations, HF may still be required as back-up.NAT Doc 007 91 Edition 2010
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World Air Ops | NAT | Doc 007 MNPS Guidance

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