Type: Trailing suction hopper dredger
Owner: Van Oord / Mijnster
Built by: Piet Hein, Papendrecht
Year: 1964

Total installed power:1.147 kW
Hopper capacity: 526 m3
Loading capacity: 915 ton
Length o.a.: 66,3 m
Breadth: 8,1 m
Draught: 3,0 m
Speed: 7,6 kn
Suction pipes: 2 x 400 mm
Dredging depth trailing: 10,0 m
Dredging depth stationary: 17,0 m

-Equipped with one suction pipe for trail dredging and one for stationary dredging.

-Originally built under the name Sexta III in 1964.
-Renamed Develsteyn in 1980.