About the Author

DAVID L. WILLIAMS was previously responsible for the aircraft and hovercraft in-service support operation of Westland Aerospace. He has written over 30 books on shipping and related subjects. RICHARD DE KERBRECH served his marine engineering apprenticeship with Shaw Savill & Albion Co. and Cammell Laird, later an inspector with the Naval Overseeing service, and has written over 14 books.