SUPPLEMENT CORHIGENDtlM 12 /1/78 kglish version OLY j TO ANmM 3, EIGHTH EDITION METEOROLOGICAL SERVICE FOR 1NTERNAnONA.L AIR NAVIGATION CORRIGENDUM Page 8, BELGIUM, against para. 4.4.5 b, amend the Note to read Note.- Air traffic control units are provided with a spot - wind direction .and speed repeater.