The missing data elements FIELD LENGTH POSITION FACILITY IDENT 4 1-4 ACREAGE 5 6-10 TSNT STORAGE 4 12-15 OTHER SERVICE 7 17-23 WIND INDICATOR 4 25-28 GROSS WEIGHT - SW 5 30-34 GROSS WEIGHT - DW 5 36-40 GROSS WEIGHT - DTW 5 42-46 GROSS WEIGHT - DDTW 5 48-52 AIR CARRIER OPERATIONS 6 54-59 COMMUTER OPERATIONS 6 61-66 RUNWAY IDENT 7 68-74 FSS PHONE NUMBER 12 76-87 OPERATIONS FOR 12 MONTHS ENDING DATE 11 89-99