| AD number | Document | Issue number | Effective date | Status |
|---|---|---|---|---|
| 1 | Beech Model 278 Series - Inspection | 8/1962 | Active | |
| 2 | Beech Model 215, 272 and 278 Series - Inspection | 10/1969 | Active | |
| 3 | Pitch Control Bolt - Inspection | 2/1970 | Active | |
| 4 | Wooden Propeller Blades - Inspection | 9/1976 | Active | |
| 5 | Propeller Blade Retainer Ferrule | 9/2003 | Active |