This aluminum boat design (plan) of the small Orca is an extremely popular utility boat in Alaska.  It is has a slightly wider beam than the 18 FT Narrow Beam Orca.  

At 1,915 lbs. displacement with 5 gallons of fuel, at 150 HP, the boats projected speed is 40 knots.


Download drawing in PDF
  • Length Overall of Boat 17' 6" / 5.33 m LOA
  • Beam of Boat 7' 6" / 2.32 m Beam
  • Weight of Boat 1,548 lbs / 702 kg Weight
  • Price of Boat $1,020* Price

*The above price is for the construction plans and a onetime use of the CAD cutting files.

Hull 620B

Weight in table above is the weight of the uncut aluminum sheet and plate.

Max HP (remote steering):  150

Max HP, Tiller: 75

Max Weight Capacity: 1,931 LBS

Max Person Capacity: 1,516 LBS w/ 58 HP or 1,276 LBS w/150 HP

Max Number of Persons:   11 (50 HP) or 9 (150 HP) or number of seated positions intended for use while under way