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L-5 Sentinel, U.S. Liaison and Observation Aircraft


Photograph of L-5 Sentinel

USAF


Stinson L-5 Sentinel


Specifications:


Crew

1 or 2

Dimensions

34' by 24'1" by 9'
10.4m by 7.3m by 2.7m

Weight

2050 lbs maximum
930 kg maximum

Maximum speed      

130 mph
209 km/h

Cruise speed 90 mph
145 km/h
Landing speed
50 mph
80 km/h

Service ceiling

15,600 feet
4800 meters

Range

360 miles
580 km
Fuel capacity
36 gallons
136 liters

Engines

One 190 hp Lycoming O-435-1

Production 3590 from 1942 to 1945
Modifications
A small number were equipped with floats for service with air-sea rescue squadrons

The L-5 Sentinel was a versatile light unarmed aircraft. It had a good short field capability and was used for everything from spotting for artillery to evacuation of casualties. Some 85% of all observed artillery fire on Saipan was directed by OY-1 Sentinels (the Navy version of the aircraft) launched from escort carriers. A single OY-1 could direct five tons of shells every three minutes at any target in sight, which compared favorably with even the heaviest bombers.

References

Bailey (2004)

Creed (1985)

FM 6-150 (1944-8-30; accessed 2012-7-9)

National Museum of the USAF (accessed 2008-10-11)



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