ENR 2.1

Name Lateral limits Vertical limits Class of Airspace	Unit Providing Service	Callsign Language Hours of Service	Channel/Frequency(MHz)	Remarks
1	2	3	4	5
WESTFIELD CTA 1TAIRSPACE;TXT_NAME;1 512000NTAIRSPACE_VERTEX;GEO_LAT;1 0010000WTAIRSPACE_VERTEX;GEO_LONG;1 - 513339N 0010658W thence clockwise by the arc of a circle radius 10 NM centred on 512500N 0011500W to - 513339N 0012302W - 512000N 0010000W Upper limit: FL105 Lower limit: 2500 FT ALT Class: D	WESTFIELD APPROACH	WESTFIELD RADAR English H24	125.655
	WESTFIELD APPROACH	WESTFIELD RADAR English H24	134.305
WESTFIELD CTR 512400N 0010600W - 512400N 0012400W - 512600N 0012400W - 512600N 0010600W - 512400N 0010600W Upper limit: 2500 FT ALT Lower limit: SFC Class: D	WESTFIELD TOWER	WESTFIELD TOWER English H24	118.305
WESTFIELD RMZ A circle, 2 NM radius, centred at 512500N 0011500W Upper limit: 2000 FT ALT Lower limit: SFC Class: G	WESTFIELD INFORMATION	WESTFIELD INFORMATION English H24	127.105
WESTFIELD FIR 520000N 0000000W - 510000N 0000000W following the line of latitude to - 510000N 0020000W - 520000N 0000000W Upper limit: FL245 Lower limit: SFC Class: G	WESTFIELD CONTROL	WESTFIELD CONTROL English H24	134.905