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Loening OL

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Loening OL
OA-1A
Type Amphibious observation aircraft
Manufacturer Loening
Maiden flight 1923
Primary users United States Navy
United States Army Air Corps
Number built 165

The Loening OL was an American two-seat amphibious biplane built by Loening for the United States Army Air Corps and the United States Navy.

First flown in 1923, the OL was a high-performance amphibian with a large single float and stablising floats fitted underneath each lower wing. It had retractable landing gear and a tailskid for operations on land. It had a a tandem open cockpit for a crew of two.

The United States Army Air Corps ordered four prototypes as the XCOA-1 powered by a 400hp Liberty V-1650-1 engine. A number of variants were introduced for both the Army and United States Navy. During later production the company merged with the Keystone Aircraft Corporation.

Variants

XCOA-1
Four prototypes powered by 400hp V-1650-1 engines, three later to COA-1
COA-1
Three prototypes and 9 production aircraft for the USAAC
OA-1A
Army production aircraft with redesigned vertical tail and powered by a 435hp V-1460-I engine, 15 built.
XOA-1A
One prototype with a single retractable mainwheel and skids fitted to wing floats, redeignated OA-10 before delivery.
OA-1B
OA-1A with a water-cooled V-1650-1 engine, 9 built.
OA-1C
OA-1B with redesigned fin and rudder, ten built.
OA-2
OA-1C with 480hp V-1460-1 engine modified tail surfaces and forward-firing machine-gun moved to port upper wing, eight built.
XO-10
One XOA-1A redesignated before delivery.
OL-1
Naval version with third cockpit, two prototypes powered by a 440hp Packard 1A-1500
OL-2
Naval version similar to the COA-1, five built.
OL-3
OL-1 powered by a 475hp Packard 1A-2500 and other detail changes, four built.
OL-4
OL-3 powered by a 400hp V-1650-2 engine, six built.
OL-5
Version of the OL-3 not built.
OL-6
OL-3 with a re-designed vertical tail as OA-1C, 28 built.
XOL-7
One OL-6 fitted with experimental thicker wing.
XOL-8
One OL-6 re-engined with 450hp R-1340-2 engine.
OL-8
As XOL-8 with two cockpits and a 450hp R-1340-4 engine, 20 built.
OL-8A
An OL-8 fitted with arrester gear, 20 built.
OL-9
An OL-9 with equipment changes, 26 built.
XHL-1
Ambulance version of the OL-8, two built.
XO2L-1
An improved version of the OL-6, prototype only

Operators

Template:USA

Specifications (OL-9)

Template:Aerospecs

See also

Comparable aircraft

Related lists

References

  • John Andrade, U.S.Military Aircraft Designations and Serials since 1909, Midland Counties Publications, 1979, ISBN 0 904597 22 9 (Page 98, 137 194 and 204)
  • The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985), 1985, Orbis Publishing, Page 2376

Template:USN hospital aircraft Template:USN observation aircraft Template:USAAF observation aircraft


This article is licensed under the GNU Free Documentation License.
It uses material from the Wikipedia article "Loening OL".