Stinson L-1 Vigilant - Variants

Variants

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

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