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NavSource Online:
Submarine Chaser Photo Archive


Call sign:
Nan - Peter - Uncle - Jig


SC-497 Class Submarine Chaser:

  • Laid down 7 September 1942 as PC-1300 by Perkins and Vaughn, Inc., Wickford, RI
  • Reclassified SC-1300 in April 1943
  • Launched 8 May 1943
  • Commissioned USS SC-1300, 3 July 1943
  • Transferred to the Maritime Commission 4 March 1948
  • Sold to Frederick B. Wrege and went into operation 3 July 1949 as F/V Effort
  • Ownership passed on to Charles VanderVort in 1961
  • Scrapped in 1970.


  • Displacement 958 t.
  • Length 110' 10"
  • Beam 17' 9"
  • Draft 6' 6"
  • Speed 21 kts.
  • Complement 28
  • Armament: One 40mm gun mount, one/two twin mount .50 cal. machine guns, two/three depth charge projector "K Guns", 14 depth charges with six single release chocks, annd two sets Mk 20 Mousetrap rails with four
    7.2 projectiles
  • Propulsion: Two 800bhp General Motors 8-268A diesel engines, Snow and Knobstedt single reduction gear, two shafts.
    Click on thumbnail
    for full size image
    Size Image Description Source
    SC-1300 82k c. 1950
    Seen as Effort
    Mel's Place
    SC-1300 68k c. 1953
    Aerial view of Effort
    SC-1300 117k c. 1956
    Caddell Dry Dock and Repair Company, Staten Island, NY
    Photo courtesy of Captain's Fred Wrege and Charles VanDerVoort Families from Mel's Place
    Robert Hurst
    SC-1300 115k
    SC-1300 120k c. 1960
    Sheepshead Bay, Brooklyn, NY
    Captain Fred Wrege's Effort (in background) and Captain Bill Doll's Jet
    Photo from Mel's Place
    SC-1300 86k c. 1963
    Photo of Effort taken from the M/V America.
    Photo courtesy of Kevin C. VanderVoort
    Mel's Place

    There is no DANFS history available for SC-1300
    Additional Resources and Web Sites of Interest
    Patrol Craft Sailors Association
    Back To The Main Photo Index Back To the Patrol Craft/Gunboat/Submarine Chaser Ship Type Index Back to the (110') Submarine Chaser (SC) Photo Index

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    This page created by Joseph M. Radigan and maintained by Tom Bateman
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