Deregistered aircraft · 1979 Kieffer Robert L BENSEN GYROCOPTER · Mcculloch 4318A&E/0-100
- Cancelled
- May 13, 2013
- Status when cancelled
- Registration expired, pending cancellation
- Serial number
- 21243
- Year built
- 1979
- Type
- Rotorcraft
- Engine
- Reciprocating
- Airworthiness
- Experimental, amateur built
- Airworthiness date
- September 19, 1979
- Certificate issued
- September 20, 1979
- Last registry action
- November 20, 2007
- Mode S code
- AAF043
- Owner when cancelled
- Kieffer Robert L
- Location
- Mchenry, IL
- Owner type
- Individual
From the FAA registry file of October 29, 2026, cancelled registrations. Owners’ street addresses are left out. The Mode S code belongs to the N-number, not the airframe.