The U.S. aircraft register, updated daily
Parts

Twin Engine

No failure report names the twin engine. 1 FAA approvals let 1 company make a replacement twin engine, Pratt & Whitney Engine Services INC (Formerly Altair) holding the most (1).

Approved replacement parts 1 parts manufacturer approvals

A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a twin engine and sell it as an approved part for the models named. These are the companies holding such approvals for a twin engine:

For these models most: Beechcraft B300 King Air 350 (1), Beechcraft B200 King Air B200 (1), Beechcraft A200 (1), Beechcraft 300 King Air 300 (1), Beechcraft 1900 Airliner (1).

MakerPartReplacesFitsGrantedStatus
Pratt & Whitney Engine Services INC (Formerly Altair)Twin Engine Aircraft Data Acquisition System (ADAS) TWIN-K-010-1,...TWIN-K-010-1, TWIN-K-010-2, TWIN-K-010-3,...Raytheon 1900, 1900C, 1900D2007-10-30current

Sources: the FAA's service difficulty reports since 1995 (a report is a part that failed and was fixed, as filed by an airline, repair station or owner; the count shows reporting as much as reliability) and the parts manufacturer approvals in the FAA's Dynamic Regulatory System. The part name is the reporters' and the approval holders' own words, reduced to the first plain words so that spellings meet.