Partnair Flight 394 was a chartered flight that crashed on 8 September 1989 off the coast of Denmark, 18 kilometres (10 nautical miles) north of Hirtshals. All fifty five souls on board the aircraft died, making this the deadliest disaster in Danish aviation history. The accident was caused by improper maintenance and use of counterfeit aircraft parts. The accident aircraft, registered as LN-PAA, was a 36-year-old Convair CV-580 operated by the Norwegian charter airline Partnair. The aircraft wa