These are places I have found inspection and maintenance tips for the vessel owner or tips I have developed.
Fiberglass Blisters: A review of Gel-coat Blisters - Diagnosis, Repair & Prevention, by Gougeon Brothers, Inc.
Fire Extinguishers: The Fire-boy Xintex website which includes manuals for their equipment. Excellent information on proper mounting and service.
Lightning : University of Florida paper by Ewen M. Thomson
Marine Sanitation Devices : Coast Guard Regulations for installed toilets
Painting the Bottom : A brief on bottom painting.
Propeller Nut Installation : Proper procedure to install your inboard propeller
Rigging : Brion Toss Yacht Riggers Educational Page
Splices : New England Ropes advice on common splicing techniques.
Steering: Edson's inspection check list.
Toilets : Marine Sanitation; Fact vs. Folklore by Peggie Hall, The Hall Group Inc.