3/16″ Diameter Hole [4.76mm] (opened up to 1/4″ on final assembly)
Sonex Aircraft Models
- Sonex Highwing
- Sonex-B
- Waiex-B
- Xenos-B Motorglider
- Onex
- SubSonex Personal Jet
- Sonerai Sport Aircraft
3/16″ Diameter Hole [4.76mm] (opened up to 1/4″ on final assembly)
