YEAR BUILT: 1929

BUILT AT: Portland (OR)

BUILDER: Albina Marine Iron Works

APPROPRIATION: ?

CONTRACT PRICE: $228, 121

SISTER VESSELS: LV 113,114,115,116,117

DESIGN: Diesel electric screw; steel hull

 and deckhouses; 2 masts; smokestack amidships

LENGTH: 133'3" (loa); BEAM: 30'0"; DRAFT: 13'3"; TONNAGE: 630 displ

PROPULSION: Diesel-electric; one 350 HP electric

motor driven by any or all of four 75 KW diesel

 engine-generator units; 350 SHP at 300 rpm;

 max speed 10 knots average 9 knots

ILLUMINATING APPARATUS: 375mm electric lens lantern

 with 1000 watt lamp at each mast head

FOG SIGNAL: Air diaphone via 4-way cast iron horn; hand operated bell

CONSTRUCTiON NOTES - MODIFICATIONS - EQUIPMENT

 CHANGES & IMPROVEMENTS: LV 100-
First US lightship built with diesel-electric

propulsion system; reported as
representing a savings of 100 tons relative

 to a similar steam propelled vessel-
Delivered and placed in commission 1930-
1930: Equipped with radio and radiobeacon when built-
1933: Radiobeacon synchronized with fog signal for distance finding-
1945: Fitted with detection radar and sonar-
Radio and visual call sign NMGP (1940-1971)

STATION ASSIGNMENTS: LV 100 / WAL 523
1930-1942: Blunts Reef (CA)
1942-1945: Examination Vessel, WWII
1945-1969: Blunts Reef (CA)

1959-1969: Relief (West Coast)

1969-1971: San Francisco (CA)

(1942-1945: During WWlI, withdrawn and

assigned to NOWESTSEAFRON, stationed at Eureka

 CA and used as examination vessel; no armament

 provided. Classed as a "YN" net tender during the period)

HISTORICAL NOTES: LV 100 / WAL 52:3-
1929: Jun 17 launched on Portland Oregon's

 "Marine Day" with large celebration-
1929: Oct 21/22, builders trials; Oct 23 departed

 for San Francisco in advance
of being assigned to duty on Blunts Reef-
1930: Commissioned at San Francisco and

 placed on Blunts Reef station off
Cape Mendocino (CA)

RETIRED FROM LIGHTSHIP DUTY: 1971; AGE: 42

(Picture shows Ship in Viet Nam)

SUBSEQUENT DISPOSITION: Decommissioned

 May 12 l~7l; transferred to US Navy
Aug 6, 1971 for further transfer to Vietnam

COMMANDING OFFICERS: LV 100 / WAL 523

1937-?: Alfred J M Prien, Mate

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Revised: 10/23/06.