| YAH-63A | |
|---|---|
 A YAH-63A prototype | |
| General information | |
| Type | Attack helicopter |
| National origin | United States |
| Manufacturer | Bell Helicopter |
| Status | Cancelled |
| Primary user | United States Army |
| Number built | 3 |
| History | |
| First flight | 1 October 1975 |
The Bell YAH-63 (Model 409) was an experimental attack helicopter for the Advanced Attack Helicopter (AAH) competition. Hughes' Model 77/YAH-64, later developed into the AH-64 Apache, was selected over Bell's entry.