Superior Grounds XP-382 And XP-400 Engines
Superior Air Parts has grounded all of its XP-382 and XP-400 experimental engines due to detonation problems found in some XP-400s, according to AVweb sister publication Kitplanes. The company has also implemented a mandatory buy-back program for both engine types. Both the grounding and the buy-backs are effective immediately. “Throughout Superior Air Parts’ 50-plus year […]