Part 103 legal  (or LSA)

Introduction to the UltraCruiser

The UltraCruiser was designed as the first all metal ultra light in 1998. First flights were in 2000. First plan sales were in 2001. Intended for first time buiders as well as first time pilots, the UltraCruiser is an easy to build and even easier to fly aircraft. The design can be built straight from plans up to, and including a full kit. The kit includes predrilled laser cut components. All parts are formed prebent, or welded. Wheels, tires, brakes, harness, and even the seat cushion is included. The kit is very complete. Everthing is included to complete the aircraft less the engine, prop, spinner, and instruments. 

UltraCruiser Features and Specs


  • The UltraCruiser is a Part 103 legal all metal ultralight 
  • Detachable wings for easy storage
  • Very docile, easy to fly
  • Excellent performance with 37 hp engine
  • Full size parts shown on plans
  • Very comfortable for long flights
  • 6.5 ft. track and low CG for improved ground handling
  • Many building options with customer support
  • Full size Parts on (29) 24"x36" CAD drawn pages.
  • Available as plans built, kit built or anything in between.
  • 4 cycle reliability with the 1/2 VW Hummel engine
  • Tri-gear option on plans. (Too heavy for Part103)
  • Canopy option (Also a bit too heavy for Part103)

This calculator is set up to find the Center of Gravity. Be sure to use actual measurements and weights when filling in the blanks.


HP (range)
Wing Span
7.62 m
25 ft
Wing Area
10.4 m²
112 ft²
Wing Loading
22.65 kg/m²
4.5 lbs/ft²
4.87 m
16 ft
Empty Weight
114-123 kg
252-270 lbs
Gross Weight
227 kg
500 lbs
VNE Speed
152 km/h
95 mph
97-137 km/h
60-85 mph
46-52 km/h
28-32 mph
Take Off Distance
46 m
150 ft
Take Off Over 50' Obstacle
92 m
Rate of Climb
152-305 m/min
500-1000 ft/ min
Landing Distance
92 m
300 ft
Fuel Capacity
18.9-30 L
5-8 gal
Fuel Consumption
5.6-7.6 L/hr
1.5-2.0 gal/hr
"G" Rating

Note- specs are wtih 170# pilot and 37 hp  ½ VW Engine operating on grass

No spins/ No aerobatics