DDDB: Drag device data base : using parachutes, sea anchors, and drogues to cope with heavy weather 
Subtitle: seventy documented case histories
Edition: 3rd ed., rev., expanded & updated edition
Publisher: Para-Anchors International
Published: 1990
Language: eng
Format: Paperback
Number of pages: 250
ISBN-13: 9781878832016
Subjects: Sea anchors