The U.S. aircraft register, updated daily
Parts

System Ii

No failure report names the system ii. 11 FAA approvals let 2 companies make a replacement system ii, Aar Distribution holding the most (10).

Approved replacement parts 11 parts manufacturer approvals

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

For these models most: Weatherly 201 (1), Stinson SR-8 (1), Stinson 108 Voyager and Station Wagon (1), Snow 600 (1), Schleicher KA 6 (1), Piper PA-19 (1), Piper PA-18 Super Cub (1), Piper J-3 Cub (1), North American/Aero Classics P-51 (1), Mooney M-18 (1), Monocoupe 90 (1), I.C.A.-Brasov (Romania) IS-28 (1).

MakerPartReplacesFitsGrantedStatus
Aviation Products Systems INCSystem II Finish Materials Kit SF-DModification PartPitcairn Autogyro Co. PA-62015-06-08current
Aar DistributionSystem II Finish Materials Kit SF-DModification PartGrumman HU-16A, HU16B, G-732001-03-06current
Aar DistributionSystem II Finish Materials Kit SF-DModification PartStinson SR-8D, SR-8E2001-03-06current
Aar DistributionSystem II Finish Materials Kit SF-DModification PartIntrepinderea de... IS-28B22001-03-06current
Aar DistributionSystem II Finish Materials Kit SF-DModification PartStinson 108-1, 108-2, 108-32001-03-06current
Aar DistributionSystem II Finish Materials Kit SF-DModification PartWestinghouse Skyship 6002001-03-06current
Aar DistributionSystem II Finish Materials Kit SF-DModification PartWeatherly 201, 201A, 201B2001-03-06current
Aar DistributionSystem II Finish Materials Kit SF-DModification PartPiper PA-18, PA-18S, PA-18A2001-03-06current
Aar DistributionSystem II Finish Materials Kit SF-DModification PartAeronca O-58A, O-58B, SO-58B2001-03-06current
Aar DistributionSystem II Finish Materials Kit SF-DModification PartSchleicher,... Ka 6, Ka 6B, Ka 6BR2001-03-06current
Aar DistributionSystem II Finish Materials Kit SF-DModification PartAllied Ag Cat G-164, G-164A, G-164B2001-03-06current

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.