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

Utterback B.

Holds 1 type certificate (4 models). FAA spelling: Utterback B..

Type certificates 1

LTC-17Aircraft · J2F-4 (Navy), J2F-5 (Navy), J2F-3 (Navy), J2F-6 (Navy)

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.