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Challenger Advanced Ultralight Sales and Service
Calmar, Alberta

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Specifications Table

The following figures apply only to the newest Challengers and engines.
Performance of older airplanes and engines will not achieve these levels.

Challenger II Specifications

Long
Wing
Clip
Wing
Wing Span
(opt Fiberglass
- std Bow tips)
The span of the long wing can be reduced 2 feet by replacing the standard bow wingtips with the new optional fiberglass tips, thus increasing roll rate and cruise speeds. The shorter span of the clipped wing gives still higher speeds and faster roll rates plus a more aggressive, sportier feel. 29.5 ft
-
31.5
ft
26.0 ft
Wing Area
(opt Fiberglass
- std Bow tips)
A low empty weight and a very large wing with a 5.625 foot chord are the keys to the impressive carrying capacity of the Challenger. The long wing has 40-70% more lifting surface than competitive designs. Even the clip wing has 20-40% more area. More lift means less horsepower is required to achieve goals. 166 sqft
-
177
sqft
146 sqft
Length The fuselage fits nicely in most garages, making that a popular place for assembling Challenger kits. The wings fit easily too because there are two of them! 20 ft 20 ft
Height Puddlejumper amphibious floats add 20" to the height on the ground. Skis add an inch or two. 6 ft 6 ft
Empty Weight A very light airframe, built by the factory using triangulated 6061-T6 aircraft-grade aluminum, is the secret to the Challenger's unusually low weight. A low weight benefits all aspects of performance. Most competitive aircraft are 100-200 pounds heavier! 300 lbs (Wheels/Skis)

410 lbs
(PJ Floats)

350 lbs (Wheels/Skis)
Gross Weight 
(+6G / -3G Ultimate Load Factors)
The Challenger employs a fully triangulated truss design which is not just lighter but is significantly stronger than alternatives. Since construction of such a design is beyond the capabilities of most homebuilders, every Challenger airframe is completely built in jigs at the factory. 960 lbs 960 lbs
Fuel Capacity Canadian Challengers are equipped with a 10 US gallon fuel tank.  A 15 US gallon long range fuel tank is available from a Canadian company. 10, 15
USgal
10, 15
USgal
Seats The Challenger uses tandem seating rather than side-by-side to achieve less drag for higher speed as well as to place the pilot ahead of the wing for magnificent helicopter style visibility in all directions - even in turns. Tandem seating with doors on both sides makes docking on floats a snap. Most tandem ultralights only have one door - what do they do when the wind forces docking on the other side? They can only go elsewhere! 2 2
Cabin Width Two cabin sizes are available: a wide body with low cockpit side rails and a narrow body with high sides.
The wide body is easier to enter and exit. The narrow body has somewhat less drag. Compare with the Cessna 172 cabin with only 39.5" for two people across!
Wide Body
32 in

Narrow
Body
26 in

Wide Body
32 in

Narrow
Body
26 in

Head Room The Challenger is famous for it's spaciousness - it was designed by a big guy for big guys and over the years it has gotten even bigger. And we do mean big!
6' 5"? No Problem! 6' 7"? Call us - we can tailor to you!
Front
43 in

Back
40 in

Front
43 in

Back
40 in

Leg Room While we do suggest you leave your stilts at home, even those long in the leg will fit comfortably in recent model Challengers. Redesigned seats and supports add all important inches front and back and give passengers additional footrests and increased knee room. Front
46 in

Back
44 in

Front
46 in

Back
44 in

For Challenger II long wing serial numbers before #0603 gross weight is 800 lbs at +6G / -3G.
All Challenger II aircraft with the Rotax 447 engine are limited to a gross weight of 800 lbs.
Options and accessories increase weight.

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