Apart from the Old Scorpio umbilical approx 700 feet
Also Jacques umbilicals 181285 , two of 560 ft and 300 ft
14 Aluminium conductors and……………
4 coax
3 quads with drain
36mm dia
And cavlar braided outer/rubbersheath/pvc sheath/cavlar ( lift umbilical )
M32200 approx’ 510 ft
Also 14 aluminium conductors
inner wires – screened/main drain/3 quads with drains/4 coax
Also 36mm diameter
The ideal lengths for you ROV inventors to start on 😀
Or deck umbilical ( not armoured though )……….test umbilical then 😀
Make a realistic offer