Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N531N.
| Tail Number / N-Number | N531N |
| Manufacturer | CURTISS ROBERTSON |
| Model | ROBIN J-1 |
| Manufacturer's Serial Number | 731 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 127 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | ORR E S |
| Street | RIVERSIDE ARPT |
| City | REVERE |
| State | MA |
| Zip Code | 02151 |
| Region | New England |
| Certificate Issue Date | 1939-11-14 |
| Last Status | Valid Registration |
| Cancellation Date | 1940-07-15 |
| Mode S Code | 51532520 |
| Mode S Code Hex | A6B550 |