| Tail Number / N-Number | N4447A |
| Manufacturer | ROBINSON HELICOPTER COMPANY |
| Model | R44 II |
| Year Built | 2009 |
| Manufacturer's Serial Number | 12906 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | IO-540-AE1A5 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 260 hp (194 kW) |
| Type of Registrant | LLC |
| Owner Name | SOUTH TEXAS HELICOPTER SERVICES LLC |
| Street | 211 S BROADWAY ST |
| City | MCALLEN |
| State | TX |
| Zip Code | 78501-4834 |
| Region | Southwestern |
| County | Hidalgo County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2009-10-14 |
| Certificate Issue Date | 2019-03-20 |
| Last Action Date | 2021-10-19 |
| Expiration Date | 2029-03-31 |
| Status | Valid Registration |
| Mode S Code | 51256307 |
| Mode S Code Hex | A55CC7 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4447A.
| Tail Number / N-Number | N4447A |
| Manufacturer | PIPER |
| Model | PA-22-150 |
| Year Built | 1956 |
| Manufacturer's Serial Number | 22-3779 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 94 miles per hour |
| Type of Registrant | Individual |
| Owner Name | HARRISON WILIAM R |
| Street | 320 GINA LN |
| City | STIGLER |
| State | OK |
| Zip Code | 74462-3104 |
| County | Hidalgo County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1956-03-06 |
| Certificate Issue Date | 1997-04-02 |
| Last Action Date | 2006-04-18 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2006-06-27 |