Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N51999.
| Tail Number / N-Number | N51999 |
| Manufacturer | BIGELOW |
| Model | EASYRISER |
| Manufacturer's Serial Number | ER-275 |
| Aircraft Type | Glider |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 60 miles per hour |
| Zip Code | 00000 |
| Last Action Date | 1976-11-17 |
| Last Status | N-Number assigned, has not been registered and is pending cancellation |
| Cancellation Date | 2011-03-03 |
| Mode S Code | 51503223 |
| Mode S Code Hex | A68693 |