Note: the above picture of the float version was the L-1F ambulance conversion (5 examples made).
In 1940 the U.S. Army realized the need to reinforce its aircraft types in the two-seat light observation category. A number of aircraft companies received contracts, including Stinson, which was contracted to produce 142 examples of a braced high-wing monoplane designated the O-49. The O-49s and 182 O-49As were later redesignated as L-1s and L-1As in 1942. Examples were also made available to the British via Lend-Lease, with the RAF naming them "Vigilant". Later examples of the L-1 included ambulance and float versions. Though later superceded by the more lightweight Grasshopper aircraft, L-1s saw widespread use in both the European and Pacific theatres.
Additional information on this aircraft
can be found at Wikipedia
(updated February 2009)
Stinson L-1 Vigilant
Type: liason/observation aircraft Crew: 2 Armament: none Specifications: Length: 34' 3" (10.44 m) Height: 10' 2" (3.10 m) Wingspan: 50' 11" (15.52 m) Wing area: 329 sq. ft (30.56 sq. m) Empty Weight: 2670 lb (1211 kg) Max Weight: 3400 lb (1542 kg) max at takeoff Propulsion: No. of Engines: 1 Powerplant: Lycoming R-680-9 radial Horsepower: 295 hp Performance: Range: 280 miles (451 km) Cruise Speed: N/A Max Speed: 122 mph ( 196 km/h) Ceiling: 12,800 ft (3900 m)
(go to Stinson page)
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