;Tornado 103 :The first version, a single seater, intended for the US ultralight category with a wingspan. Standard engine was the
Rotax 277. No longer in production. Reported construction time is 300 hours. Ten were reported flying in 1998. ;Tornado II :Two seats in
tandem version, intended for the previous US ultralight trainer category and presently for the US homebuilt and light-sport categories. It has a wingspan. Standard engine is the
Rotax 582 and cruise speed is with that engine. Acceptable power range is . The
HKS 700E four-stroke engine has also been used. Still in production. Reported construction time is 350 hours. 120 were reported flying in 1998. ;Tornado II Trainer :Two seats in tandem version, intended for the previous US ultralight trainer category. It has a wingspan. Standard engine is the
Rotax 582. Acceptable power range is . No longer in production. Reported construction time is 350 hours. 510 were reported flying in 2011. ;Tornado II Sport :Two seats in tandem version, intended for the US homebuilt category. It has a wingspan. Standard engine is the
Rotax 912UL. Acceptable power range is . No longer in production. Reported construction time is 350 hours. 500 were reported flying in 2003. ;Tornado II 912 :Two seats in tandem version, intended for the US homebuilt category. It has a wingspan. Standard engine is the
Rotax 912 and cruise speed is with that engine. Acceptable power range is . No longer in production. 145 were reported flying in 1999. ;Tornado II FP :Two seats in tandem amphibious
floatplane version, intended for the US homebuilt category with a wingspan. Standard engine is the
Rotax 618 and cruise speed is with that engine. Out of production. Reported construction time is 350 hours. Twelve were reported flying in 2001. ;Tornado MG II :Two seats in tandem version, with a wingspan. The wing is detachable for storage or transport. Standard engine is the
Rotax 447 and the acceptable power range is . No longer in production. Reported construction time is 400 hours. Eight were reported flying in 2001. ;Tornado S :Two seats in tandem "stretched" fuselage version, intended for the US homebuilt and light-sport categories. It has a wingspan. Standard engine is the
Rotax 912ULS and cruise speed is with that engine. Acceptable power range is and alternate engines include the
Rotax 503,
Rotax 582,
Rotax 912UL,
Jabiru 2200, or the
Jabiru 3300. Still in production. Reported construction time is 300 hours. 55 reported flying in 2011. ;Tornado SS :Two seats in tandem "super stretched" fuselage version, intended for the US homebuilt and light-sport categories. It features a longer and higher cockpit area with more headroom that the Tornado II along with a bigger rear door and a full-sized back seat. It has a wingspan. Acceptable power range is and engines include the
Rotax 912UL,
Rotax 912ULS,
Jabiru 2200, or the
Jabiru 3300. Still in production. Twenty reported as flying in 2011. ==Specifications (Tornado 103) ==