US investigators have confirmed that elevator trim cables on a Convair 580 freighter had been reversed before the aircraft crashed in Ohio last September with the loss of all three occupants. The ...

Investigators probing a fatal accident involving a Piper PA-31P Navajo, on its first flight after maintenance, have discovered that elevator trim tabs were installed upside-down. The twin-engined ...

Leaving elevator trim set for an approach during a go-around is dangerous and can lead to control issues. Applying full power with nose-up approach trim can cause a significant nose-up pitching moment ...

Powered pitch trim systems, while reducing pilot fatigue, introduce critical failure modes such as uncommanded nose-down inputs, making it essential for pilots to know how to disable and correct them.

When elevator is in up position to climb, the trim tab is neutral. The trim tab adjusted down keeps the airplane in a stable climb. Harry Whitver At the 2011 National Championship Air Races in Reno, a ...