Call for availability and to place an order U.S. Terminal Procedures Publications are published in 24 loose-leaf or perfect bound volumes covering the conterminous U.S., Puerto Rico and the Virgin Islands.IFR Charts are updated every 56 days. EC-1 MIEC-2 IN, OHEC-3 WI, ILNC-1 ND, SD, MNNC-2 NE, KSNC-3 IA, MONE-1 ME, NH, VT, MA, CT, RINE-2 NY, NJNE-3 DE, MD, VA, DCNE-4 PA, WVNW-1 WA, OR, ID, MT, WYSC-1 OK, ARSC-2 NORTHERN TXSC-3 SOUTHWEST TXSC-4 LA, MSSC-5 SOUTHEAST TXSE-1 KY, TNSE-2 NC, SCSE-3 FL, PR, VISE-4 AL, GASW-1 CO, NMSW-2 NORTHERN CASW-3 SOUTHERN CASW-4 NV, AZ, UTATP ALASKA