Type TR/TRS motor lifeboat (36ft. 8in.)
Self-righting and self-bailing; 36ft. 6 to 8in. overall length, 10ft. beam, 3ft. draft; 11 tons displacement; single gasoline or diesel engine with single propeller and rudder; maximum speed 9.5 Statute MPH; 200gal. fuel; 280 nautical mile range; single mast for Marconi or Bermuda type sailing rig with jib and mainsail (the Type TRS did not have this); no centerboard; after steering cockpit equipped with folding wooden/glass windshield with canvas spray screen; carvel built wooden hull of cypress or Port Orford cedar planking over oak frames; five watertight bulkheads with six watertight compartments; self-bailing by means of deck-level scuppers along sides of boat; self-righting by means of metal keel. There were three versions of this type of lifeboat: the Type T, the Type T-Revised (TR), and the Type TR-Simplified (TRS), with slight differences in hull size, engine installation, and superstructure. A total of 27 Type T lifeboats were built over the years 1929-31, 73 Type TR lifeboats over the years 1931-36, and 130 Type TRS lifeboats over the years 1937-56; all by the Coast Guard’s Curtis Bay Yard.