page_title: Stinson L-1 Vigilant
section_title: Variants
hierarchical_section_title: Stinson L-1 Vigilant / Variants
caption_attribution_description: English: The Stinson 0-49 was used in diverse roles such as towing training gliders, artillery spotting, liaison, emergency rescue, transporting supplies, and special espionage flights.
context_page_description: The Stinson L-1 Vigilant was a 1940s American light observation aircraft built by the Stinson Aircraft Company at Wayne, Michigan. The aircraft was operated by the United States Army Air Corps as the O-49 until 1942.
context_section_description: Stinson Model 74
  company designation
  O-49 Vigilant
  U.S. Army designation for first production batch, 142 built.
  L-1 Vigilant
  1942 redesignation of O-49.
  O-49A Vigilant
  Fuselage lengthened 13 in (33 cm) 182 built.
  O-49B Vigilant
  Conversion to ambulance variant, three or four converted.
  L-1A Vigilant
  1942 redesignation of O-49A.
  L-1B Vigilant
  1942 redesignation of O-49B.
  L-1C Vigilant
  L-1A ambulance variant, 113 converted.
  L-1D Vigilant
  L-1A training glider tug, 14 to 21 converted.
  L-1E Vigilant
  L-1 amphibious ambulance variant, seven converted.
  L-1F Vigilant
  L-1A amphibious ambulance variant, five conversions.
  Vigilant Mk I
  RAF designation of L-1, 14 to 17 allocated by Lend Lease
  Vigilant Mk II
  RAF designation of L-1A, 96 allocated, circa 13 to 54 delivered
  CQ-2 Vigilant
  US Navy conversion of L-1A to target control aircraft, one or more converted
caption: O-49 Vigilant at Patterson Field during World War II
exif: {}