Naval Aircraft Factory XOSN-1
Naval Aircraft Factory · United States · first flew 1938 · reconnaissance aircraft
The Naval Aircraft Factory XOSN was an American biplane observation floatplane developed for the United States Navy during the late 1930s.
Recognition (WEFT)
| W — Wings | Mid-mounted, straight |
|---|---|
| E — Engines | 1 × piston, nose-mounted |
| F — Fuselage | 10.36 m fuselage |
| T — Tail | Conventional |
WEFT is AircraftIQ's four-point recognition method — how it works.
Spot it by:
- Biplane braced with I-struts instead of interplane wires
- Automatic leading-edge slats on the upper wing
- Pilot and observer in a fully enclosed tandem cockpit
It has a Pratt & Whitney R-1340 radial engine, I-strut bracing and a fully enclosed tandem cockpit.
Specifications
- The Naval Aircraft Factory XOSN-1 has a length of 10.36 m (34 ft).
- It has a wingspan of 10.97 m (36 ft).
- Its maximum speed is 257 km/h (160 mph).
- Typical crew: 2.
Figures are for the representative variant described above; marks differ. See how AircraftIQ sources figures.
History
In 1936 the Navy asked for an observation-scout aircraft for gunnery spotting from battleships and cruisers. The XOSN-1 was delivered for trials in May 1938 and competed against entries from Stearman and Vought.
Variants
Only one XOSN-1 was built, with provision for either float or wheeled landing gear.
Where you'll see it
Vought's monoplane XOS2U-1 was selected for production. The XOSN-1 was then assigned to the Naval Academy at Annapolis, where it was used as a trainer until mid-1944.
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