Boeing Model 853 Quiet Bird

The Boeing Model 853 Quiet Bird was a US Army scout plane study developed by Boeing in the early 1960s.

Development of the Model 853 began in 1962 at Boeing Wichita, only a 1/2 scale prototype was produced which never flew, but tests showed that it had a very low radar cross section.

Specifications

Crew

1

Length

33 ft 0 in (10.06 m)

Wingspan

33 ft 7.8 in (10.26 m)

Height

7.7 ft (2.3 m)

Wing area

179.5 sq ft (16.67 m2)

Airfoil

65A415

Empty weight

6,000 lb (2,721 kg)

Gross weight

8,150 lb (3,696 kg)

Powerplant

1 × General Electric CF700,

4,200 lbf (19 kN) thrust

Performance

Stall speed

80 kn (92 mph, 150 km/h)

Range

1,160 nmi (1,330 mi, 2,150 km)

Service ceiling

47,000 ft (14,000 m)

Rate of climb

3,050 ft/min (15.5 m/s)

Wing loading

45.4 lb/sq ft (221 kg/m2)

Thrust/weight

0.52.