- Cancelled
- July 20, 2017
- Status when cancelled
- Registration expired, pending cancellation
- Serial number
- 4
- Year built
- 1971
- Type
- Glider
- Engine
- None
- Airworthiness
- Experimental, amateur built
- Airworthiness date
- June 2, 1975
- Certificate issued
- October 5, 1982
- Last registry action
- May 18, 2010
- Mode S code
- A4A990
- Owner when cancelled
- Michener Robert B
- Location
- Estes Park, CO
- Physical address
- Association Camp, CO
- 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.