Our aluminum clipboard includes many helpful references: RVR(feet) to Visibility (SM) table, IFR Alternate Airport Requirements, Position Report Items, Flight Plan, Form with latest RVSM equipment codes, Transponder Codes, IFR Cruising Altitudes, Holding Pattern Entries, Pilot Report Items, Required IFR Reports, and Recommended IFR Reports. A wide elastic leg band is included. (Size: 6 1/2" x 9 1/2")