| Part Number | Part Name | PMA Holder | Status | Date |
|---|---|---|---|---|
| 50221-10 | Lead Ignition | Champion Spark Plug Co | Current | 1992-08-15 |
| 50221-10 | Lead Ignition | Champion Aerospace LLC | Current | 1992-08-15 |
| 50221-12 | Lead Ignition | Champion Aerospace LLC | Current | 1993-08-14 |
| 50221-12 | Lead Ignition | Champion Spark Plug Co | Current | 1992-08-15 |
| 50221-12 | Lead Ignition | Champion Aerospace LLC | Current | 1992-08-15 |
| 50221-15 | Lead Ignition | Champion Aerospace LLC | Current | 1993-08-14 |
| 50221-15 | Lead Ignition | Champion Spark Plug Co | Current | 1992-08-15 |
| 50221-15 | Lead Ignition | Champion Aerospace LLC | Current | 1992-08-15 |
| 50221-16 | Lead Ignition | Champion Aerospace LLC | Current | 1993-08-14 |
| 50221-16 | Lead Ignition | Champion Aerospace LLC | Current | 1992-08-15 |
| 50221-16 | Lead Ignition | Champion Spark Plug Co | Current | 1992-08-15 |
| 50221-17 | Lead Ignition | Champion Aerospace LLC | Current | 1993-08-14 |
| 50221-17 | Lead Ignition | Champion Spark Plug Co | Current | 1992-08-15 |
| 50221-17 | Lead Ignition | Champion Aerospace LLC | Current | 1992-08-15 |
| 50221-18 | Lead Ignition | Champion Aerospace LLC | Current | 1993-08-14 |
| 50221-18 | Lead Ignition | Champion Spark Plug Co | Current | 1992-08-15 |
| 50221-18 | Lead Ignition | Champion Aerospace LLC | Current | 1992-08-15 |
| 50221-19 | Lead Ignition | Champion Aerospace LLC | Current | 1993-08-14 |
| 50221-19 | Lead Ignition | Champion Spark Plug Co | Current | 1992-08-15 |
| 50221-19 | Lead Ignition | Champion Aerospace LLC | Current | 1992-08-15 |
| 50221-21 | Lead Ignition | Champion Aerospace LLC | Current | 1993-08-14 |
| 50221-21 | Lead Ignition | Champion Aerospace LLC | Current | 1992-08-15 |
| 50221-21 | Lead Ignition | Champion Spark Plug Co | Current | 1992-08-15 |
| 50221-22 | Lead Ignition | Champion Aerospace LLC | Current | 1993-08-14 |
| 50221-22 | Lead Ignition | Champion Spark Plug Co | Current | 1992-08-15 |
| 50221-22 | Lead Ignition | Champion Aerospace LLC | Current | 1992-08-15 |
| 50221-24 | Lead Ignition | Champion Aerospace LLC | Current | 1993-08-14 |
| 50221-24 | Lead Ignition | Champion Spark Plug Co | Current | 1992-08-15 |
| 50221-24 | Lead Ignition | Champion Aerospace LLC | Current | 1992-08-15 |
| 50221-25 | Lead Ignition | Champion Aerospace LLC | Current | 1993-08-14 |
| 50221-25 | Lead Ignition | Champion Spark Plug Co | Current | 1992-08-15 |
| 50221-25 | Lead Ignition | Champion Aerospace LLC | Current | 1992-08-15 |
| 50221-28 | Lead Ignition | Champion Aerospace LLC | Current | 1993-08-14 |
| 50221-28 | Lead Ignition | Champion Spark Plug Co | Current | 1992-08-15 |
| 50221-28 | Lead Ignition | Champion Aerospace LLC | Current | 1992-08-15 |
| 50221-29 | Lead Ignition | Champion Aerospace LLC | Current | 1993-08-14 |
| 50221-29 | Lead Ignition | Champion Spark Plug Co | Current | 1992-08-15 |
| 50221-29 | Lead Ignition | Champion Aerospace LLC | Current | 1992-08-15 |
| 50221-31 | Lead Ignition | Champion Aerospace LLC | Current | 1993-08-14 |
| 50221-31 | Lead Ignition | Champion Aerospace LLC | Current | 1992-08-15 |
| 50221-31 | Lead Ignition | Champion Spark Plug Co | Current | 1992-08-15 |
| 50221-32 | Lead Ignition | Champion Aerospace LLC | Current | 1993-08-14 |
| 50221-32 | Ignition Lead | Champion Spark Plug Co | Current | 1992-08-15 |
| 50221-32 | Lead Ignition | Champion Aerospace LLC | Current | 1992-08-15 |
| 50221-33 | Lead Ignition | Champion Aerospace LLC | Current | 1993-08-14 |
| 50221-33 | Lead Ignition | Champion Aerospace LLC | Current | 1992-08-15 |
| 50221-33 | Ignition Lead | Champion Spark Plug Co | Current | 1992-08-15 |
| 50221-6 | Lead Ignition | Champion Aerospace LLC | Current | 1993-08-14 |
| 50221-6 | Lead Ignition | Champion Spark Plug Co | Current | 1992-08-15 |
| 50221-6 | Lead Ignition | Champion Aerospace LLC | Current | 1992-08-15 |