1 / 6

Airworthiness and Maintenance

Airworthiness and Maintenance. Crash of Cessna 550 Robert Swaim Airworthiness/Maintenance Records. Aileron Trim Issues. Sensitivity Small control knob adjustment = large force Possible deflection Aileron trim forces can exceed 150 pounds Pilots awareness. Pitch Trim Issues.

cicely
Download Presentation

Airworthiness and Maintenance

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Airworthinessand Maintenance Crash of Cessna 550 Robert Swaim Airworthiness/Maintenance Records

  2. Aileron Trim Issues • Sensitivity Small control knob adjustment = large force • Possible deflection Aileron trim forces can exceed 150 pounds • Pilots awareness

  3. Pitch Trim Issues • Manual control wheel or electric motor • Pitch trim movement may be inconspicuous • Prior pitch trim run-away (different Citation version) July 22, 2003, Penn Cove, Washington • Aural and visual annunciation recommendation Control hand-wheel Pitch trim indicator

  4. Pitch Trim Wiring in Yoke and Shaft Bundle changed by SB 550-24-14, January 1992 c Pitch trim switch Pitch trim switch As-found, with wires pressed into shaft c c Wires chafe in corner Pitch trim wire short circuited c c Bolt c Bolt c + + c c Red lines represent wire routes Two repair sleeves

  5. Circuit Breaker (C/B) Identification • Marlin Air and Penn Cove pilots tried to pull C/Bs • Individual C/Bs hard to locate and to pull • Colored collars assist identification and grasp Plastic collar

More Related