Classic Jon 1238 – Flat Bottom Aluminum Boat Plans

Price range: 5,95 $ through 95,00 $

  • Hull length: 11′ 10″ (3,6m)
  • Hull width 50″ (1.27m)
  • Chine Width 38″ (0.97m)
  • Side Depth 17″ (43cm)
  • Cockpit Depth 15 1/2″ (39cm)
  • Fuel Capacity – Portable
  • Deadrise 0.0° (flat bottom)
  • Dry hul weight: 308 lbs (140 kg)
  • Maximum Persons: 1-2
  • Design category „D”
  • Transom inclination angle 12 degrees
  • Transom Height: 15″ – 38.1cm (foot “S”)
  • Outboard engine: 5 HP – 10 HP
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Description

Classic 1238 – Aluminum Jon Boat Plans

Flat Bottom | Easy DIY Build

The Classic 1238 Aluminum Jon Boat Plans are designed for simple, reliable, and efficient aluminum boat construction. This flat-bottom jon boat is ideal for fishing, shallow waters, and general utility use.

These plans are perfect for beginner builders and can be built either by hand in your own garage or professionally cut using CNC machines.


Designed for Beginner Builders

The Classic 1238 features a straightforward structure with easy-to-cut aluminum panels and clear assembly logic. No advanced tools or previous boatbuilding experience are required.


Plans Type

Select your preferred Plans type from the dropdown menu above:

  • CNC Cutting Plans – Files prepared for CNC cutting at a professional cutting shop.
  • Hand-Cut Plans – DIY-friendly plans for cutting aluminum sheets manually using basic tools like a jigsaw.
  • Study Plans (Non-Build) – For educational and reference purposes only. Not intended for construction.

Units

All plans are available in both measurement systems:

  • Imperial (in)
  • Metric (mm)

Material Specifications

Imperial (in):

  • Bottom, sides, and seats: 1/8" or 5/32" aluminum
  • Floor: 1/8" aluminum or 3/8" plywood (optional)

Metric (mm):

  • Bottom, sides, and seats: 3 mm or 4 mm aluminum
  • Floor: 3 mm aluminum or 9 mm plywood (optional)

Pricing depends on the selected Plans type and Units.
Please choose your configuration from the “Choose Plans” dropdown menu above.

Additional information

Plan Type

CNC Cutting Plans, Hand-Cut Plans, Study Plans (Non-Build)

Units

Imperial (in), Metric (mm)