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Stinson 74 / L-1 Vigilant / O-49

stinson-l1


The 1935 L-1 Vigilant liaison aircraft is the military variant of the Stinson model 74.

The Vigilant had a full-span automatic slots and slotted flaps, for the smallest airfields.

Originally designated the O-49, the 334 O-49s were designated L-1C for the air ambulance role, L-1D as trainers in glider pick-up techniques, and the L-1E and L-1F air ambulances with floats.

105 L-1s were received by the RAF as the Vigilant I.

L-1A / O-49
Engine : Lycoming R-680, 295 hp
Length : 36.844 ft / 11.23 m
Height : 10.531 ft / 3.21 m
Wingspan : 54.724 ft / 16.68 m
Max take off weight : 3384.7 lb / 1535.0 kg
Max. speed : 106 kts / 196 km/h
Cruising speed : 94 kts / 175 km/h
Service ceiling : 19373 ft / 5905 m
Range : 244 nm / 451 km

 

 


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