| Tail Number / N-Number | N139GS |
| Manufacturer | BREDA NARDI HUGHES |
| Model | NH500MC |
| Manufacturer's Serial Number | 25-0278 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | LLC |
| Owner Name | GULF STATE AVIATION LLC |
| Street | 23410 SNOOK LN STE F2 |
| City | TOMBALL |
| State | TX |
| Zip Code | 77375 |
| Region | Southwestern |
| County | Harris County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2022-07-28 |
| Last Action Date | 2022-07-28 |
| Expiration Date | 2029-07-31 |
| Status | Valid Registration |
| Mode S Code | 50116507 |
| Mode S Code Hex | A09D47 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N139GS.
| Tail Number / N-Number | N139GS |
| Manufacturer | AERO VODOCHODY |
| Model | L39C |
| Year Built | 1984 |
| Manufacturer's Serial Number | 432833 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | IVCHENKO |
| Engine Model | AI-25TL |
| Engine Type | Turbo-fan |
| Number of Engines | 1 engine |
| Thrust | 3,792 pounds-force (16.9 kN) |
| Type of Registrant | Corporation |
| Owner Name | WARBIRD EDUCATION FOUNDATION |
| Street | 3148 SENECA DR |
| City | FRISCO |
| State | TX |
| Zip Code | 75034-5972 |
| County | Harris County |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2009-01-13 |
| Certificate Issue Date | 2009-02-05 |
| Last Action Date | 2009-02-05 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2015-05-20 |