| Tail Number / N-Number | N959X |
| Manufacturer | AEROVODOCHODY |
| Model | L-29 DELFIN |
| Year Built | 1973 |
| Manufacturer's Serial Number | 395198 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | MOTORLET |
| Engine Model | M-701(SERIES) |
| Engine Type | Turbo-jet |
| Number of Engines | 1 engine |
| Thrust | 1,962 pounds-force (8.7 kN) |
| Type of Registrant | LLC |
| Owner Name | VIPER PARTNERS LLC |
| Street | 650 W END AVE APT 8C |
| City | NEW YORK |
| State | NY |
| Zip Code | 10025-7355 |
| Region | Eastern |
| County | New York County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2021-11-15 |
| Certificate Issue Date | 2021-10-06 |
| Last Action Date | 2022-08-15 |
| Expiration Date | 2028-10-31 |
| Status | Valid Registration |
| Mode S Code | 53254043 |
| Mode S Code Hex | AD5823 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N959X.
| Tail Number / N-Number | N959X |
| Manufacturer | GRUMMAN |
| Model | G-164A |
| Year Built | 1967 |
| Manufacturer's Serial Number | 473 |
| 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 | JACOBS |
| Engine Model | R755A SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 300 hp (224 kW) |
| Average Cruising Speed | 98 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | HATCHETT WILLIAM R DBA |
| Other Names |
|
| Street | PO BOX 124 |
| City | HOLLY BLUFF |
| State | MS |
| Zip Code | 39088 |
| County | New York County |
| Country | US |
| Airworthiness Classification | Restricted |
| Certificate Issue Date | 1985-10-03 |
| Last Action Date | 2000-11-30 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2013-07-01 |