Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N721Y.
| Tail Number / N-Number | N721Y |
| Manufacturer | GRUMMAN |
| Model | G-164 |
| Manufacturer's Serial Number | 283 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | 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 | 98 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | MILLARDS AIR SERVICE INC |
| Street | PO BOX 1001 |
| City | KATY |
| State | TX |
| Zip Code | 77450 |
| Region | Southwestern |
| Certificate Issue Date | 1981-01-31 |
| Last Status | Valid Registration |
| Cancellation Date | 1984-06-19 |
| Mode S Code | 52324551 |
| Mode S Code Hex | A9A969 |