The U.S. aircraft register, updated daily
Parts

Jasco Alternator

No failure report names the jasco alternator. 2 FAA approvals let 2 companies make a replacement jasco alternator, Wipaire INC holding the most (1).

Approved replacement parts 2 parts manufacturer approvals

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

For these models most: Helio HT-295 (1), Helio H-395 (1), Helio H-391 (1), Helio H-295 (1).

MakerPartReplacesFitsGrantedStatus
Jaars INCJasco alternator 6565-1 kitLeech Navelle generator & regulatorHelio H-295, H-391, H-3952011-09-21current
Wipaire INCJasCo Alternator Model 7555-J Associated Equipment-DeHavilland Model DHC-2 MK I1984-01-09current

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.