SONEX Aircraft are being imported by Silver Fern Microlights. The popular US kit is a low wing monoplane of all-metal construction, with two seats side-by-side. The first UK prototype is expected in December and ready to start flight testing and PFA evaluation early in 2006. Silver Fern is also importing Aero Vee engines which are a subsidiary of Sonex. The aero Vee is an 80hp 180cc 4-cyl 4-stroke weighing 161lb installed. It has all conversion parts machined out of billet aluminium and anodised.

It comes with dual electronic ignition, alternator, geared starter, 6-bolt prop flange, aero carb (no float bowl) and aluminium mounting plate. It will run on Mogas or 100LL and is already approved by the PFA. Price is £4250 incl vat plus delivery.

The Sonex can be built as a nose or tail wheel and can be powered by the Aero Vee or Jabiru 3300. Performance is said to be 700- 800fpm climb, 120- 125mph cruise and 140mph full power with the Aero Vee. Estimated price for this option is £16,000 incl vat plus shipping. The 6cyl Jabiru 3300 offers quite stunning performance, 150-160mph cruise, 175mph full power, climb 2500+fpm. Estimated price is £22,000.