Deregistered aircraft · 1971 Operation Sigma SIGMA PROTOYPE GLDR · NONE
- Cancelled
- November 4, 2019
- Status when cancelled
- Registration expired, pending cancellation
- Serial number
- 003
- Year built
- 1971
- Type
- Glider
- Engine
- None
- Airworthiness
- Experimental, exhibition, racing
- Airworthiness date
- August 23, 1999
- Certificate issued
- July 26, 2016
- Last registry action
- July 26, 2016
- Mode S code
- A83B58
- Owners when cancelled
- Osoba William G JrOsoba Christine S
- Location
- Tijeras, NM
- Owner type
- Co-owned
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.