Accu-Cool 342 is a heat transfer fluid designed specifically for use on the Boeing 787 aircraft. Accu-Cool 342 is designed to provide heat transfer for the Integrated Cooling System (ICS), Power Electronic Cooling System (PECS), and the optional Forward Cargo Air Conditioning System (FCAC). Accu-Cool 342 is applied to 787 aircraft using specifically designed ground support equipment (GSE) for filling the reservoirs which hold the heat transfer fluid. Accu-Cool 342 is available in packaging specifically approved for use with this specialized GSE. Accu-Cool 342 is on the QPL for BMS 3-42.