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Guidance concerning Air Navigation in and above the NAT MNPSA

CHAPTER 1

1.4

ROUTES FOR USE BY AIRCRAFT NOT EQUIPPED WITH TWO LRNSs

Routes for Aircraft with Only One LRNS

1.4.1

A number of special routes have been developed for aircraft equipped with only one LRNS

and carrying normal short-range navigation equipment (VOR, DME, ADF), which require to cross the North Atlantic between Europe and North America (or vice versa). It should be recognised that these routes are within MNPS Airspace, and that State approval must be obtained prior to flying along them. These routes are also available for interim use by aircraft normally approved for unrestricted MNPS operations that have suffered a partial loss of navigation capability and have only a single remaining functional LRNS. Detailed descriptions of the special routes known as ‘Blue Spruce Routes’ are included in Chapter 11, paragraph 11.2.2 of this Document. Other routes also exist within MNPS Airspace that may be flown by aircraft

equipped with only a single Portuguese mainland and/or

functioning the Madeira

LRNS.

These include

Archipelago

and

also

routings between the Azores and routes between Northern Europe

the and

Spain/Canaries/Lisbon FIR to LRNS use are also established

the east of longitude 009° 01' W (viz.T9). Other routes available for single in MNPS airspace, including a routing between Iceland and the east coast of

Greenland and two routings between Kook Islands on the west coast of Greenland and Canada.

Note: if this single LRNS is a GPS it must be approved in accordance with FAA TSO-C129 or later standard as Class A1, A2, B1, B2, C1 or C2, or with equivalent EASA documentation ETSO-C129a. Some States may have additional requirements regarding the carriage and use of GPS (e.g. a requirement for FDE RAIM) and pilots should check with their own State of Registry to ascertain

what, if any, they are. These above mentioned documents can be found at : http://www.airweb.faa.gov/Regulatory_and_Guidance_Library/rgWebcomponents.nsf/HomeFrame?OpenFrameSet and http://www.easa.europa.eu/ws_prod/g/doc/Agency_Mesures/Certification%20Spec/CS-ETSO.pdf

Routes for Aircraft with Short-Range Navigation Equipment Only

1.4.2

Aircraft that are equipped only with short-range navigation equipment (VOR, DME, ADF)

may operate through MNPS Airspace but only along routes G3 or G11. However, once again formal State

Approval must be obtained. (See Chapter 11, paragraph 11.2.2 for details of these routes.)

1.4.3

The filed ATS Flight Plan does not convey information to the controller on any such MNPS

certification limitation. Hence, it is the responsibility of those pilots with less than unrestricted (i.e. limited) certification to reject any ATC clearances that would otherwise divert them from officially

permitted routes.

1.5

SPECIAL ARRANGEMENTS FOR THE PENETRATION OF MNPS AIRSPACE BY NON-MNPS APPROVED AIRCRAFT

1.5.1

Aircraft not approved for operation in MNPS Airspace may be cleared by the responsible

ATC unit to climb or descend through MNPS Airspace provided:

    • MNPS approved aircraft operating in that part of the MNPS Airspace affected by such climbs or descents are not penalised.

      • 1.5.2

        Details of other required provisions will be found in the AIS publications of the appropriate

ATS Provider State.

NAT Doc 007

6

Edition 2010

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