Navigate / EASA / ATM ANS Provision of Services Mar 2025 / SPECIFIC REQUIREMENTS FOR PROVIDERS OF METEOROLOGICAL SERVICES / APPENDICES TO ANNEX V /

Appendix 2

EASA aviation regulations define fixed coverage areas for World Area Forecast System (WAFS) charts used in air traffic management. These charts, utilizing Mercator and polar stereographic projections, provide weather forecasts. Specific latitude and longitude coordinates delineate the boundaries for various chart regions including Asia, Europe and North Atlantic.

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Frequently Asked Questions

The third set of WAFS charts uses a Polar stereographic projection (southern hemisphere).

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The latitude and longitude for chart A are N6700 W13724, N6700 W01236, S5400 W01236, and S5400 W13724.

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The latitude and longitude for chart EUR are N4633 W05634, N5842 E06824, N2621 E03325, and N2123 W02136.

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Regulation (EU) 2017/373 defines the fixed areas of coverage of WAFS forecasts in chart form.

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Appendix 2 falls under the ATM /ANS - Provision of Services (Regulation (EU) 2017/373).

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The latitude and longitude for chart J are S0318 W17812, N0037 W10032, S2000 W03400, and S2806 E10717.

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The first set of WAFS charts uses a Mercator projection.

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The second set of WAFS charts uses a Polar stereographic projection (northern hemisphere).

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Regulation (EU) 2017/373

Fixed areas of coverage of WAFS forecasts in chart form

Mercator projection

CHART	LATITUDE	LONGITUDE		CHART	LATITUDE	LONGITUDE
A	N6700	W13724		D	N6300	W01500
A	N6700	W01236		D	N6300	E13200
A	S5400	W01236		D	S2700	E13200
A	S5400	W13724		D	S2700	W01500
ASIA	N3600	E05300		E	N4455	E02446
ASIA	N3600	E10800		E	N4455	E18000
ASIA	0000	E10800		E	S5355	E18000
ASIA	0000	E05300		E	S5355	E02446
B	N0304	W13557		F	N5000	E10000
B	N7644	W01545		F	N5000	W11000
B	N3707	E06732		F	S5242	W11000
B	S6217	W05240		F	S5242	E10000
B1	N6242	W12500		M	N7000	E10000
B1	N6242	E04000		M	N7000	W11000
B1	S4530	E04000		M	S1000	W11000
B1	S4530	W12500		M	S1000	E10000
C	N7500	W03500		MID	N4400	E01700
C	N7500	E07000		MID	N4400	E07000
C	S4500	E07000		MID	N1000	E07000
C	S4500	W03500		MID	N1000	E01700

Polar stereographic projection (northern hemisphere)

CHART	LATITUDE	LONGITUDE		CHART	LATITUDE	LONGITUDE
EUR	N4633	W05634		I	N1912	E11130
EUR	N5842	E06824		I	N3330	W06012
EUR	N2621	E03325		I	N0126	W12327
EUR	N2123	W02136		I	S0647	E16601
G	N3552	W02822		L	N1205	E11449
G	N1341	E15711		L	N1518	E04500
G	S0916	E10651		L	N2020	W06900
G	S0048	E03447		L	N1413	W14338
H	N3127	W14836		NAT	N4439	W10143
H	N2411	E05645		NAT	N5042	E06017
H	N0127	W00651		NAT	N1938	E00957
H	N0133	W07902		NAT	N1711	W05406

Polar stereographic projection (southern hemisphere)

CHART	LATITUDE	LONGITUDE
J	S0318	W17812
J	N0037	W10032
J	S2000	W03400
J	S2806	E10717
K	N1255	E05549
K	N0642	E12905
K	S2744	W16841
K	S1105	E00317

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Details

Source-Title: Appendix 2

Erulesid: ERULES-1963177438-3066

Domain: Air traffic management/Air navigation services

Activitytype: Meteorological services (MET)

Applicabilitydate: 1 January, 2019 (DAT Providers)

Entryintoforcedate: 28 March, 2017

Regulatedentity: MET provider

Regulatorysource: Regulation (EU) 2017/373 Navigate

Regulatorysubject: Part-MET

Typeofcontent: IR (Implementing rule)

Origin: EASA

Category: EAR