Sea Hawk sips biofuel Posted on November 23, 2010 by alert5 The U.S. Navy flew an MH60S Sea Hawk on a 50/50 biofuel blend Nov. 18 in Patuxent River. Related posts (Automatically Generated): Dutch Apache sips biofuel P-8A launches first sonobuoys F-15 engine sips tri-fuel blend Boeing P-8A Poseidon Completes 1st In-flight Test of Mission Systems Iranian Navy F27 buzzed USS Eisenhower Iraq looks at Hawk, M346 and T-50