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

Troll Avionics INC

Named as the FAA publishes it on its approvals.

Holds 3 approvals to make replacement parts. FAA spelling: Troll Avionics Inc.

Replacement parts approved 3 parts manufacturer approvals, 3 current · Oxnard, CA

A parts manufacturer approval lets a company make a replacement part for someone else's aircraft or engine and sell it as an approved part. This company's approvals are mostly for instruments and avionics (2), other and general (1).

1995-11-08Avionics Cooling Fan, Model FN100B 4000001 · replaces Modification Part · 172 A through Q
1994-07-06Ventilator FN200 · replaces PZL FN200 · PZL-Koliber 150A
1993-11-17Airspeed Adapter 4000007 · replaces Modification Part · 3101, 3101

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