Sperwill Ltd (sometimes Sperwill Aviation) was a British aircraft manufacturer based in Bristol and founded by Riann Oliver. The company specialized in the design and manufacture of paramotors in the form of ready-to-fly aircraft for the US FAR 103 Ultralight Vehicles rules and the European microlight category.[1]

Sperwill Ltd
Company typePrivately held company
Foundedc. 2001
Defunctc. 2009
FateOut of business
Key people
Riann Oliver

The company seems to have been founded about 2001 and gone out of business in 2009.[2]

The company built a wide range of paramotors noted for their ability to be completely dismantled for ground transport. Each model used a different engine, while retaining similar frame features.[1]


Summary of aircraft built by Sperwill Ltd
Model name First flight Number built Type
Sperwill 120 mid-2000s paramotor
Sperwill 2+ mid-2000s paramotor
Sperwill 3+ mid-2000s paramotor
Sperwill 210 mid-2000s paramotor
Sperwill TX mid-2000s paramotor
Sperwill CA mid-2000s paramotor
Sperwill ST mid-2000s paramotor


  1. ^ a b Bertrand, Noel; Rene Coulon; et al: World Directory of Leisure Aviation 2003-04, page 75. Pagefast Ltd, Lancaster UK, 2003. ISSN 1368-485X
  2. ^ "Sperwill". Internet Archive Wayback Machine. Retrieved 1 January 2016.