USS PT-109

Type:
Motor Torpedo Boat
Class:
PT-103 (80' Elco)
Builder:
Elco Works
Naval Division of Electric Boat Company
Bayonne, New Jersey
Hull Number:
PT-109
Ordered:
N/A
Commissioned:
July 10, 1942
Keel Laid:
March 4, 1942
Decommissioned:
N/A
Launched:
June 20, 1942
Stricken:
N/A
Fate:
Sunk Aug. 2, 1943 after being rammed by Amagiri (Lt. Cmdr. Kohei Hanami).

Location: South Pacific, Blackett Strait south of Kolombangara Island, Solomon Islands
at aprox. position 08.08S - 157.03E

Two crewmen were killed, 11 survivors were rescued by PT-157 on Aug. 8, 1942.


Dimensions, Machinery and Performance

Length:
80'
Engines:
3 twelve cylinder Packard 4-M-2500 Marine
Beam:
23'
Boilers:
N/A
Draft:
6' (max)
Shafts:
3
Displacement:
38 std. / 56 full
SHP:
4,050 (1,350 ea.)
Speed:
40 knots
Crew:
14
Range:
N/A


Armament
Number Carried
Type
Arrangement
Maximum Range / Ceiling
4
21" torpedo tubes
single mounts
16,000 yards @ 50 knots (9 miles)
600 lb. Torpex warhead
4
.50 cal. machine guns
2 twin mounts
2,200 yards (1.2 miles)
Rate of fire 500 RPM
1
0.79"/70 (20mm)
single mount (stern)
4,800 yards @ 45° (2.7 miles)
AA ceiling 10,000'
Rate of fire 250-320 RPM
1 (a)
1.5" (37mm)
single mount
N/A
Armament notes
(a) This gun was added to the bow by the crew on Aug. 1, 1943 just before leaving
on the last patrol. It was not bolted down but was lashed to the bow.


Commanders
From
To
Name
July 10, 1942
Feb. 1943:
Lt. Rollins E. Westholm
Feb. 1943
Apr. 20, 1943:
Ens. Bryant L. Larson
Apr. 20, 1943:
Apr. 24, 1943:
Apr. 24, 1943:
Aug. 2, 1943:


Battle Stars
Dec. 7, 1942
Capture and defense of Guadalcanal.
Aug. 1, 1943
New Georgia Group operation: New Georgia-Rendova-Vangunu occupation.


Class Overview
Builder's Data
Page revised Apr. 1, 2007