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GEN 3.5 Meteorological Services GEN 3.5 Meteorologiske tjenester

GEN 3.5 Meteorological Services GEN 3.5 Meteorologiske tjenester

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<strong>GEN</strong> <strong>3.5</strong> - 2<br />

22 FEB 01<br />

4.5 When marginal weather conditions are<br />

mentioned or prior to operating VFR-night flights<br />

a meteorological office should always be consulted.<br />

4.6 GAFOR-type forecasts are issued contributive<br />

to the International General Aviation meteorological<br />

forecasts system in Europe, and the<br />

GAFOR-bulletins are disseminated on bilateral<br />

basis.<br />

4.7 GAFOR is issued with the following periods<br />

of validity:<br />

0600-1200, 0900-1500, 1200-1800.<br />

The eleven sub-areas for which the GAFOR is<br />

provided is shown on the chart, item 10.<br />

The following weather category specifications<br />

are used:<br />

O (open) visibility equal to or more than 8<br />

KM and height of cloudbase equal<br />

to or higher than 2000 FT<br />

D (difficult) visibility from and including 3 KM<br />

to 8 KM with height of cloudbase<br />

equal to or more than 1000 FT<br />

or<br />

height of cloudbase from and including<br />

1000 FT to 2000 FT with<br />

visibility equal to or more than 8<br />

KM<br />

M (marginal) visibility from and including 1500<br />

M to 3 KM with height of cloudbase<br />

equal to or higher than 500<br />

FT<br />

or<br />

height of cloudbase from and including<br />

500 FT to 1000 FT with<br />

visibility equal to or more than 3<br />

KM<br />

X (closed) visibility less than 1500 M and/or<br />

height of cloudbase less than 500<br />

FT.<br />

Note: Cloudbase in GAFOR is defined as the lowest<br />

cloud layer covering 4 octas or more of the<br />

sky. Height of cloudbase is given above the<br />

ground (AGL).<br />

Amendment to GAFOR will be issued if weather<br />

category M or X occurs or is expected to occur<br />

without being predicted.<br />

5. Notification Required From Operators<br />

5.1 Prior notifications from operators in respect<br />

of briefing/consultation and flight documentation<br />

needed by them is normally required for<br />

non-scheduled flights as follows:<br />

a. For flights within Europe, at least 2 hours before<br />

ETD;<br />

b. For other flights, at least 4 hours before ETD;<br />

The notification shall comprise all necessary details<br />

concerning planned flights (ref. ICAO Annex<br />

3, paragraph 2.3).<br />

AMDT 1/01<br />

VFR Flight Guide<br />

Denmark<br />

4.5 Et meteorologisk kontor bør altid konsulteres,<br />

når marginale vejrforhold omtales eller forud<br />

for udførelse af VFR-nat flyvninger.<br />

4.6 GAFOR-type udsigter udstedes som led<br />

i systemet af vejrudsigter for den internationale<br />

almenflyvning i Europa, og GAFOR-bulletinerne<br />

udsendes på bilateral basis.<br />

4.7 GAFOR udstedes med følgende gyldighedsperioder:<br />

0600-1200, 0900-1500, 1200-1800.<br />

De elleve under-områder for hvilke der ydes<br />

GAFOR er vist på kortet under punkt 10.<br />

Der anvendes følgende vejrkategori specifikationer:<br />

O (open) sigtbarhed lig med eller mere end<br />

8 KM og højde af skybase lig med<br />

eller højere end 2000 FT<br />

D (difficult) sigtbarhed fra og med 3 KM til 8<br />

KM med højde af skybase lig med<br />

eller mere end 1000 FT<br />

eller<br />

højde af skybase fra og med 1000<br />

FT til 2000 FT med sigtbarhed lig<br />

med eller mere end 8 KM<br />

M (marginal) sigtbarhed fra og med 1500 M til 3<br />

KM med højde af skybase lig med<br />

eller højere end 500 FT<br />

eller<br />

højde af skybase fra og med 500<br />

FT til 1000 Ft med sigtbarhed lig<br />

med eller mere end 3 KM<br />

X (closed) sigtbarhed mindre end 1500 M og/<br />

eller højde af skybase mindre end<br />

500 FT.<br />

Note: Skybase er i GAFOR defineret som det laveste<br />

skylag, der dækker 4 ottendedele eller mere<br />

af himlen. Højde af skybase angives over terrænet<br />

(AGL).<br />

Ændring til GAFOR vil blive udstedt, når vejrkategori<br />

M eller X indtræffer eller forventes at indtræffe<br />

uden at være forudsagt.<br />

5. Meddelelse krævet af luftfartsforetagender<br />

5.1 Forhåndsmeddelelse fra luftfartsforetagender<br />

med hensyn til ønsket briefing/konsultation<br />

og flyvedokumentation kræves normalt for ikke-regelmæssige<br />

flyvninger som følger:<br />

a. For flyvninger inden for Europa, mindst 2 timer<br />

før ETD;<br />

b. For andre flyvninger, mindst 4 timer før ETD.<br />

Meddelelsen skal omfatte alle nødvendige detaljer<br />

vedrørende planlagte flyvninger (ref. ICAO<br />

Annex 3, paragraph 2.3).<br />

CAA/SLV

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