Weatherly 620

Weatherley 620
A Weatherly 620B in 1998
Role Agricultural aircraft
National origin United States
Manufacturer Weatherly Aircraft Company
First flight 1979
Number built 155
Developed from Weatherly 201

The Weatherly 620 is a 1970s American agricultural monoplane designed and built as an improved variant of the Weatherly 201 by the Weatherly Aircraft Company of McClellan, California.[1]

Design

The Weatherley 620 is an all-metal single-seat low-wing cantilever monoplane with a conventional landing gear with a tailwheel. It has been fitted with a Pratt & Whitney R-985 radial engine, a PT6A and TPE331 turboprops all driving three-bladed tractor propellers. In the forward fuselage the aircraft has a 355 US gallon (1344 litre) hopper which feeds an agriculutural dispersal system. [1]

Variants

Model 620
1979 initial production variant.
Model 620A
1987 production variant with a Pratt & Whitney R-985 radial engine.
Model 620B
1992 production variant with a Pratt & Whitney R-985 radial engine.
Model 620TP
1980 turboprop variant with a Pratt & Whitney PT6A-11AG.
Model 620B-TG
1997 improved turboprop variant to replace the 620TP with a Honeywell TPE331 turboprop.

Specifications (620BTG)

Data from Jane's All The World's Aircraft 2004-05 [1]

General characteristics

Performance

References

Notes

  1. ^ a b c Jackson 2004, p. 801

Bibliography

  • Jackson, ed (2004). Jane's All the World's Aircraft 2004-2005. Coulsdon, Surrey, United Kingdom: Jane's Information Group. ISBN 0 7106-2614-2. 

External links

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