Detonation Concerns Behind Superior’s Buyback Of XP-400 And XP-382 Engines
Last month, Superior grounded the XP-400 and XP-382 Experimental-class engines after crankshaft breakages were believed to be set off by detonation. Approximately 150 engines were affected. At the time, the company asked those already flying the engine to immediately ground the aircraft and for those still in construction to return the engines. Superior is refunding […]