NTSB recommends FAA address CitationJet trim
The NTSB has recommended that the FAA require an aural trim-in-motion warning in the Cessna CitationJet 525 to alert pilots of a runaway trim.

The NTSB has recommended that the FAA require an aural trim-in-motion warning in the Cessna CitationJet 525 to alert pilots of a runaway trim. The Safety Board made the recommendation, along with three others that address runaway trim, last month in response to the 2003 Citation 525 crash in Coupeville, Wash., in which the pilot was forced to ditch the aircraft in the waters near Whidbey Island following a runaway trim.

The other recommendations include requiring contrasting color bands on the pitch trim wheel, requiring Cessna to replace the pitch-trim circuit breaker with a collared circuit breaker, and requiring the manufacturer to demonstrate that the maximum control forces in a Citation 525 meet the certification requirements of 14 Code of Federal regulations Part 23 during a pitch trim runaway.

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