| Tail Number / N-Number | N4312G |
| Manufacturer | ROBINSON HELICOPTER COMPANY |
| Model | R44 II |
| Year Built | 2009 |
| Manufacturer's Serial Number | 12776 |
| 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 | Individual |
| Owner Name | GRUBEN DONALD C JR |
| Street | 545 FM 2832 |
| City | ROTAN |
| State | TX |
| Zip Code | 79546-6903 |
| Region | Southwestern |
| County | Fisher County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2016-03-28 |
| Certificate Issue Date | 2015-08-03 |
| Last Action Date | 2021-07-12 |
| Expiration Date | 2028-08-31 |
| Status | Valid Registration |
| Mode S Code | 51224572 |
| Mode S Code Hex | A5297A |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4312G.
| Tail Number / N-Number | N4312G |
| Manufacturer | PIPER |
| Model | PA-34-220T |
| Year Built | 1983 |
| Manufacturer's Serial Number | 34-8333114 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 7 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | TSIO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 225 hp (168 kW) |
| Total Horsepower | 450 hp (336 kW) |
| Type of Registrant | Individual |
| Owner Name | LEWIS HOMER I |
| Street | BOX 245 |
| City | EAGLE PASS |
| State | TX |
| Zip Code | 78852 |
| County | Fisher County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1983-06-20 |
| Certificate Issue Date | 1984-05-18 |
| Last Action Date | 2000-05-16 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2002-01-25 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4312G.
| Tail Number / N-Number | N4312G |
| Manufacturer | MCCULLOCH AIRCRAFT CORP. |
| Model | J-2 |
| Manufacturer's Serial Number | 022 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 78 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | AER-O-HIO AVIATION INC |
| Street | BOX 893 |
| City | CANTON |
| State | OH |
| Zip Code | 44701 |
| Region | Great Lakes |
| County | Fisher County |
| Certificate Issue Date | 1971-08-02 |
| Last Status | Valid Registration |
| Cancellation Date | 1972-10-18 |