Experimental Navigational Chart Holder Note: This item is currently in storage. This case holds an experimental navigational chart holder Type ACIS/NCH-3, with four plotters in manila sleeves, and a handbook of instructions for the Type ACIS/NCH-3, dated April 1951, with a single page of errata. The item was manufactured by USAF Aeronautical Chart & Info. Donated by Gunnery Sgt. James R. Jenkins, USMC (Ret.). Click here to return to the Featured Accessions index.