A jury found Parker Hannifin negligent in the Oct. 16, 2000 crash of a Cessna 335 that killed Gov. Mel Carnahan and his son, and awarded their family $4 million. The family argued that vacuum pumps made by Parker Hannifin failed, causing the recip twin to crash.
Reacting to a pair of landmark NTSB recommendations addressing potential safety vulnerabilities in autopilots, the FAA this month is amending airworthiness standards for automatic flight control systems in transport-category airplanes. The revised standards cover newly certified business jets with an mtow of more than 12,500 pounds.
The NTSB is investigating the May 4 upset of a Raytheon Aircraft-owned Hawker 800A near Lincoln, Neb., during a post-maintenance stall test. At 17,000 feet, the Hawker’s right wing dropped, then the jet rolled right and left and lost more than 10,000 feet before the pilot pulled (he said) four to five gs, recovering at about 7,000 feet.
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