Henry McKenna has testified at trial or in depositions in the following cases over the previous 6 years.
FLORIO V. GENERAL SHIP
Dates: November, 1996 (Trial)
Jurisdiction: US District Court, Massachusetts
Description: Line failure on capstan at dry-dock struck operator
Capacity: Expert witness for defense
DESILVIO V. GROSSI
Date: 1996 (Deposition)
Jurisdiction: Superior Court of New Jersey, Camden County
Description: Manila rope used for swing broke dropping climber
Capacity: Expert witness for plaintiff
ALANIS V. BRADS WATER SKI
Date: April 1997
Jurisdiction: Los Angles Superior Court, No. BC150212 (Deposition)
Capacity: Expert for defendant, Berkley, a manufacturer of water ski tow rope
Description: Injury caused by breakage of tow rope that struck skier
Capacity: Expert witness for the defense
THOMAS ROOT v. S&E CORDAGE INC.
Date: October 1997 (Deposition)
Jurisdiction: Circuit Court of Cook County, Illinois
Description: Failure of decent line for window washer caused fall
Capacity: Expert witness for the defense
SHERMAN JOHNSON v. UNITED STATES OF AMERICA (Corps of Engineers)
Date: October 1997 (Trial)
Jurisdiction: US District Court, Western District of Arkansas, Ft. Smith
Description: Slippage of barge mooring line pulled operator into deck fitting
Capacity: Expert witness for the defense
ZEIGLER V. ISLAND WATER SPORTS
Date: February 1998 (Trial)
Jurisdiction: State of South Carolina, Court of Common Pleas, Colleton County Description: Description: Parasail tow rope went slack and dropped man into sea
Capacity: Expert witness for the defense
JOSEPH ENGLAND v. REINAUR TRANSPORTATION
Date: October, 1998 (Trial)
Jurisdiction: US District Court of Massachusetts, Boston.
Description: Barge mooring line broke, recoiled and struck dockhand
Capacity: Expert witness for the defense
JAMES JUSTICE vs. UNITED STATES OF AMERICA (Corps of Engineers)
Date: April 1999 (Trial)
Jurisdiction: US District Court, Charleston, WV
Description: Tug crewman injured by barge mooring line
Capacity: Expert witness for the defense
KELLY SPOONTS vs. NATIONAL OILWELL LIMITED PARTNERSHIP, ET AL
Date: December 2000 (Deposition)
Jurisdiction: US District Court for Alaska
Description: Utility line break caused fall from platform
Capacity: Expert witness for the defense
GILBERT BENEWAY vs. SUPERWINCH, INC. et al
Date: October 2002 (Trial)
Jurisdiction: US District Court, Northern New York
Description: Winch misuse caused truck loading ramp to fall onto operator
Capacity: Expert witness for the defense
In addition, Mr. McKenna has assisted attorneys, insurance companies and industrial organizations through accident investigations and advisory services for over 20 years. He has provided expert advice to: rope companies, winch manufactures, distributors, vessel operators, tug companies, and similar users of fibre rope. He has also provided services to injured parties.