The U.S. aircraft register, updated daily
Who holds what · as the FAA records the name

Siller Helicopters

Holds 2 type certificates (2 models). FAA spelling: Siller Helicopters.

Type certificates 2

R00008LAAircraft · SH-3A
H20NMAircraft · CH-3E

Source: FAA Dynamic Regulatory System (type certificate data sheets, supplemental type certificates, technical standard order authorisations). An organisation's name is as the FAA spelled it on each record; related spellings are separate pages.