| Tail Number / N-Number | N664U |
| Manufacturer | GRUMMAN |
| Model | G-164 |
| Year Built | 1966 |
| Manufacturer's Serial Number | 400 |
| 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 | Corporation |
| Owner Name | MURPHY AIRPORT INC |
| Street | 460 MIDLINE RD |
| City | AMSTERDAM |
| State | NY |
| Zip Code | 12010-6243 |
| Region | Eastern |
| County | Montgomery County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2010-05-11 |
| Certificate Issue Date | 2005-07-12 |
| Last Action Date | 2020-05-13 |
| Expiration Date | 2027-10-31 |
| Status | Valid Registration |
| Mode S Code | 52142327 |
| Mode S Code Hex | A8C4D7 |