Publication: Magyar Közlöny
Issue: MK-2009-104 (Year: 2009, Number: 104)
Era: 2004-2010
Section: 
Paragraph Index: 597

2. SPECIFICATIONS RELATED TO INFORMATION FOR PRE-FLIGHT PLANNING AND IN-FLIGHT RE-PLANNING 2.1 Format of upper-air information Upper-air information supplied by WAFCs for pre-flight and in-flight re-planning shall be in the GRIB code form. Note.— The GRIB code form is contained in WMO Publication No. 306, Manual on Codes, Volume I.2, Part B — Binary Codes. Annex 3 — Meteorological Service for International Air Navigation Appendix 8 7/11/07 APP 8-2 2.2 Format of information on significant weather Information on significant weather supplied by WAFCs for pre-flight and in-flight re-planning shall be in the BUFR code form. Note.— The BUFR code form is contained in WMO Publication No. 306, Manual on Codes, Volume I.2, Part B — Binary Codes. 2.3 Specific needs of helicopter operations Recommendation.— Meteorological information for pre-flight planning and in-flight re-planning by operators of helicopters flying to offshore structures should include data covering the layers from sea level to flight level 100. Particular mention should be made of the expected surface visibility, the amount, type (where available), base and tops of cloud below flight level 100, sea state and sea surface temperature, mean sea-level pressure, and the occurrence and expected occurrence of turbulence and icing, as determined by regional air navigation agreement.

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