Exxon HyJet IV-Aplus is a fire-resistant phosphate ester hydraulic fluid designed for use in commercial aircraft. It is the best-performing Type IV fluid and offers to a great extent many of the performance capabilities of Type V fluids, including high temperature stability, low density, and rust protection. It is superior to all other Type IV fluids in these respects. Exxon HyJet IV-Aplus meets the specifications of all major aircraft manufacturers and SAE AS1241.

Mil Spec/Approvals:
Airbus NSA 307110M,
Boeing BMS 3-11N,
Boeing – Long Beach DMS 2014H,
Bombardier BAMS 564-003NC,
Gulfstream 1159SCH302D,
Lockheed C-34-1224C,
BAE BAC.M.333C,
SAE AS1241