| Tail Number / N-Number | N591Y |
| Manufacturer | GRUMMAN |
| Model | G-164 |
| Manufacturer's Serial Number | 182 |
| 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) |
| Engine Manufacturer | P&W |
| Engine Model | R-985 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 450 hp (336 kW) |
| Average Cruising Speed | 98 miles per hour |
| Type of Registrant | Individual |
| Owner Name | WATERBURY CRAIG A |
| Street | 3227 MALAPAI LN |
| City | EL PASO |
| State | TX |
| Zip Code | 79904-2410 |
| Region | Southwestern |
| County | El Paso County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1989-03-24 |
| Certificate Issue Date | 2017-02-02 |
| Last Action Date | 2022-09-16 |
| Expiration Date | 2030-02-28 |
| Status | Valid Registration |
| Mode S Code | 51721504 |
| Mode S Code Hex | A7A344 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N591Y.
| Tail Number / N-Number | N591Y |
| Manufacturer | ALEXANDER AIRCRAFT CO |
| Model | EAGLEROCK A-1 |
| Manufacturer's Serial Number | 1001 |
| 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 |
| Type of Registrant | Corporation |
| Owner Name | ELGIN AIRWAYS INC |
| County | El Paso County |
| Last Status | Valid Registration |
| Cancellation Date | 1933-08-08 |