- Cancelled
- November 1, 1951
- Status when cancelled
- Valid registration
- Serial number
- 4
- Type
- Rotorcraft
- Certificate issued
- May 11, 1949
- Mode S code
- A4ACA1
- Owner when cancelled
- The Kaman Aircraft Corp
- Location
- Windsor Locks, CT
- Owner type
- Corporation
From the FAA registry file of November 4, 2026, cancelled registrations. Owners’ street addresses are left out. The Mode S code belongs to the N-number, not the airframe.