Lockheed Constellation Survivors

N4257L c/n 4335

52-3417 is seen at Homestead AFB, Florida in July 1974 while on its last duty assignment to the USAF Reserves (Steve Williams) After retirement in 1976 the aircraft was flown to Davis Monthan AFB for storage
(Richard Vandervord)
Twenty-three years after arriving in Helena, 52-3417 was still being used for training aircraft techs in 2004 (Michael Blank)
  • Final registration - N4257L
  • Delivered to USAF September 1954 as RC-121D 52-3417
  • Redesignated EC-121D October 1963
  • Redesignated EC-121D/T
  • Redesignated EC-121T August 1970 but upper radome not removed
  • To USAF Reserves at Homestead AFB, FL June 1974
  • Retired and flown to Davis Monthan AFB for storage March 1976
  • To Helena Vocational Tech Center, Helena, MT March 1981 as N4257L
  • Ferried to Helena, MT early July 1981 with Frank Lang in command
  • Used for training at the Helena College of Technology's Department of Aviation Maintenance Technology. Engine run-ups performed regularly until early 1990ís
  • School still using aircraft for training until at least the mid 2000's
  • Declared excess to school's needs and school looking for a new home for aircraft in November 2008
  • Evergreen Air and Space Museum acquired aircraft in May 2009 and plans to make it airworthy and fly it from Helena to McMinnville, Oregon
  • Aircraft evaluated in July and cleanup began in September 2009
  • Two week inspection in May 2010 revealed aircraft to be in generally good condition
  • No further work undertaken between 2010 and 2013
  • Evergreen Airlines filed for bankruptcy December 31, 2013, forcing museum to cancel plans to move aircraft
  • Acquired by Castle Air Museum January 2014
  • Museum raising funds to disassemble and transport aircraft to California


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