The Jabiru 3300 is a lightweight four-stroke, horizontally opposed "flat-six" air-cooled aircraft engine produced by Jabiru Aircraft. The engines are direct drive and fitted with alternators, silencers, vacuum pump drives and dual ignition systems as standard. The engine is used to power homebuilt and ultralight aircraft.

The Aerocomp VM-1 Esqual is a Swedish ultralight aircraft, produced by Arsi AB of Alingsås. The aircraft is supplied as a kit for amateur construction or as a complete ready-to-fly-aircraft.