ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,488,702, issued on Dec. 2, was assigned to Textron Innovations Inc. (Providence, R.I.).

"Method of and system for one-engine-inoperative training in aircraft with dissimilar engines" was invented by Aaron Alexander Acee (Highland Village, Texas), Timothy McClellan Mosig (Richland Hills, Texas) and Michael Seifert (Southlake, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of simulating an aircraft one-engine inoperative ("OEI") event includes operating a supplemental power unit ("SPU") at a first SPU power level less than an SPU contingency power rating, operating a primary engine at a first primary-engine power level, reducing the primary-...