The U.S. aircraft register, updated daily
Parts

Ca Nickel

No failure report names the ca nickel. 1 FAA approvals let 1 company make a replacement ca nickel, Marathon Power Technologies 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 ca nickel and sell it as an approved part for the models named. These are the companies holding such approvals for a ca nickel:

For these models most: Agustawestland A109 (1).

MakerPartReplacesFitsGrantedStatus
Marathon Power TechnologiesCA-21H-1 Nickel-Cadmium Battery 27515-002 (CA-21H-1) Rev. H.Agusta Part Number 27515-002. Ref....AgustaWestland A109-A/AII2009-06-01current

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.