| Tail Number / N-Number | N4TQ |
| Manufacturer | ROBINSON HELICOPTER CO |
| Model | R66 |
| Year Built | 2012 |
| Manufacturer's Serial Number | 0133 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 5 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ROLLS-ROYC |
| Engine Model | 250-C300 |
| Engine Type | Turbo-shaft |
| Number of Engines | 1 engine |
| Horsepower | 300 hp (224 kW) |
| Type of Registrant | LLC |
| Owner Name | BACK NINE AERIAL LLC |
| Street | 20115 W RUSTIC RIDGE DR |
| City | NEW BERLIN |
| State | WI |
| Zip Code | 53146-3036 |
| Region | Great Lakes |
| County | Waukesha County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Multiple |
| Airworthiness Date | 2022-04-28 |
| Certificate Issue Date | 2022-01-08 |
| Last Action Date | 2022-01-08 |
| Expiration Date | 2029-01-31 |
| Status | Valid Registration |
| Mode S Code | 51124647 |
| Mode S Code Hex | A4A9A7 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4TQ.
| Tail Number / N-Number | N4TQ |
| Manufacturer | KERNER JOHN |
| Model | LANCAIR 4 P |
| Year Built | 1997 |
| Manufacturer's Serial Number | LIV-072 |
| Aircraft Type | Fixed wing single engine |
| 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) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | IO-550 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 300 hp (224 kW) |
| Type of Registrant | Corporation |
| Owner Name | JETT RACING AND SALES |
| Street | 161 HIGH ST SE STE 247 |
| City | SALEM |
| State | OR |
| Zip Code | 97301-3626 |
| County | Waukesha County |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1997-06-01 |
| Certificate Issue Date | 2007-07-31 |
| Last Action Date | 2007-07-31 |
| Last Status | Valid Registration |
| Cancellation Date | 2007-10-25 |
| Exported To | MEXICO |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4TQ.
| Tail Number / N-Number | N4TQ |
| Manufacturer | WINTER |
| Model | VARIEZE |
| Manufacturer's Serial Number | 1419 |
| 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) |
| Number of Engines | 1 engine |
| County | Waukesha County |
| Last Status | N-Number Assigned – but has not yet been registered |
| Cancellation Date | 1990-06-01 |