Master Taws
No failure report names the master taws. 5 FAA approvals let 1 company make a replacement master taws, Electronic Cable Specialists holding the most (5).
Approved replacement parts 5 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a master taws and sell it as an approved part for the models named. These are the companies holding such approvals for a master taws:
For these models most: Airbus A300 (4), Boeing 747 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Electronic Cable Specialists | Master Kit TAWS 120-91229-102 | Modification Part | Boeing 747-100 Series, 747-100B Series,... | 2009-02-08 | current |
| Electronic Cable Specialists | Master Kit TAWS/PPI Display 120-94736-103 | Modification Part | Airbus A300, Model B2-1A, A300 | 2004-12-06 | current |
| Electronic Cable Specialists | Master Kit TAWS 120-94736-101 | Modification Part | Airbus A300, Model B2-1A, A300 | 2004-12-06 | current |
| Electronic Cable Specialists | Master Kit TAWS/GPS Fail Annunciator 120-94736-104 | Modification Part | Airbus A300, Model B2-1A, A300 | 2004-12-06 | current |
| Electronic Cable Specialists | Master Kit TAWS/WSC 120-94736-102 | Modification Part | Airbus A300, Model B2-1A, A300 | 2004-12-06 | current |
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.